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Accession Folder Doc Ref ID Filename Doc Title Date No. of Pages 21609 ACC21609 A101014 41768429080752 CODES AND CIPHERS (CRYPTOLOGY); REPRINT OF FRIEDMAN'S ARTICLE IN ENCYCLOPEDIA BRITANNICA 1/1/1961 9 27475 ACC27475 A101100 41769269080836 INVESTIGATION OF SYSTEM INDICATOR ENCIPHERMENT; FRIEDMAN'S CRITIQUE OF A PAPER 5/2/1945 20 34839 ACC34839 A101106 41769069080816 PATENT APPLICATIONS NOS. 107,244 AND 682,096 OF WILLIAM F. FRIEDMAN RE PROPOSED MOTION CONTROL MEANS 9/19/1949 6 35225 ACC35225 A101154 41768689080778 LISBONIAN SELECTION OF ROOTS AND TERMINALS 1/1/1911 76 35288 ACC35288 A101155 41768919080801 COMMENT BY FRIEDMAN ON THE PREFACE TO "INVARIANTENTHEORIE" 4/30/1954 3 37006 ACC37006 A101157 41768509080760 DESCRIPTION OF THE SOLUTION OF A SPANISH DIPLOMATIC CODE IN 1918-19; CONTAINS NOTE BY FRIEDMAN DATED JANUARY 15 1932 1/15/1932 111 9407 ACC9407 A101175 41768489080758 INFORMAL MEMORANDUM NOTING M02 HAS CORRESPONDENCE DEALING WITH THE FRIEDMAN BILL 8/16/1963 1 9407 ACC9407 A101177 41768609080770 JOB DESCRIPTION FOR W.F. FRIEDMAN AS CHIEF OF THE COMMUNICATIONS RESEARCH SECTION 1/1/1949 1 9407 ACC9407 A101178 41768459080754 W.F. FRIEDMAN'S MILITARY SERVICE; INFORMAL NOTE LISTING PERIODS OF ACTIVE DUTY 1/1/1950 3 9407 ACC9407 A101180 41768539080762 POSITION AND GRADE SUMMARY FOR W.F. FRIEDMAN, 1918-1949 1/1/1950 6 9407 ACC9407 A101194 41768599080769 SIGNAL CORPS PATENT BOARD, MEETING NO. 2; CONVENED TO CONSIDER FRIEDMAN'S PATENT FOR MODIFICATION OF M-134-T1 AND M-134-T2 4/17/1936 2 9407 ACC9407 A101198 41768559080765 CONDITIONS OF FRIEDMAN'S EMPLOYMENT IN THE OFFICE OF THE CHIEF SIGNALS OFFICER; PERTAINING TO INVENTIONS AND PATENTS 4/25/1936 2 9407 ACC9407 A101205 41768789080788 LETTER TO W.F. FRIEDMAN FROM THE LEGAL DIVISION, ARMY SERVICE FORCES; REFERS TO 1942 PATENT FILED BY FRANK ROWLETT AND FRIEDMAN 6/10/1946 1 9407 ACC9407 A101210 41768479080757 COURT OF APPEALS, FOURTH CIRCUIT, DECISION IN KOBER V. UNITED STATES; SUIT BY THE SIGNAL CORPS TO RETAIN RIGHTS TO AN INVENTION 11/8/1948 7 9407 ACC9407 A101216 41768639080773 CORRESPONDENCE BETWEEN THE OFFICE OF THE SECRETARY OF DEFENSE AND HENRY G. FISCHER; REFERS TO FRIEDMAN'S INVENTIONS AND POSSIBLE LEGISLATION TO PURCHASE RIGHTS4/6/1950 3 9407 ACC9407 A101220 41768649080774 JAG (ARMY) CONFERENCE RELATIVE TO INVENTIONS OF WILLIAM F. FRIEDMAN 6/15/1950 3 9407 ACC9407 A101224 41768669080776 RELEASE OF CRYPTOGRAPHIC PRINCIPLES; EARLIER POLICY OF 29 APRIL 1946 RESCINDED 7/7/1950 1 9407 ACC9407 A101227 41768629080772 AUTHENTICATING DEVICE; PATENT BY W.F. FRIEDMAN FOR AUTHENTICATING DEVICE (PATENT NUMBER 2,518,458) 8/15/1950 4 9407 ACC9407 A101234 41768729080782 PRIVATE BILL TO BE SUBMITTED TO THE CONGRESS; SUMMARY FOR DIRAFSA OF FRIEDMAN'S CASE 8/25/1950 31 9407 ACC9407 A101252 41768699080779 PROPOSED BILL FOR THE RELIEF OF MR. WILLIAM F. FRIEDMAN - CRYPTOGRAPHIC INVENTIONS; LETTER FROM JUDGE ADVOCATE GENERAL TO DIRAFSA 7/5/1951 6 9407 ACC9407 A101253 41768739080783 REQUEST FOR TWO COPIES OF H.R. 5276, 77TH CONGRESS, FIRST SESSION (1941) 7/25/1951 1 9407 ACC9407 A101254 41768709080780 REQUEST FOR JOB DESCRIPTIONS; REQUEST FOR 1921 AND 1930 JOB DESCRIPTIONS FOR W.F. FRIEDMAN 8/28/1951 1 9407 ACC9407 A101262 41768759080785 PROPOSED BILL FOR THE RELIEF OF MR. WILLIAM F. FRIEDMAN AND POTENTIAL CLAIM - CRYPTOGRAPHIC INVENTIONS; LETTER FROM JAGC TO DIRAFSA NOTING THAT FURTHER INVESTIGATION8/29/1951 IS NOT NEEDED1 UNTIL A BILL IS PRESENTED 9407 ACC9407 A101270 41768719080781 PROPOSED BILL FOR THE RELIEF OF MR. WILLIAM F. FRIEDMAN AND POTENTIAL CLAIM - CRYPTOGRAPHIC INVENTIONS; CORRESPONDENCE BETWEEN FRIEDMAN'S ATTORNEYS AND THE8/31/1951 JAG FORWARDED TO DIRAFSA4 9407 ACC9407 A101280 41768749080784 REQUEST FOR JOB DESCRIPTIONS; SIGNAL CORPS, CIVILIAN PERSONNEL BRANCH, LETTER TO AFSA 8/28/1951 8 9407 ACC9407 A101286 41769229080832 LETTER FROM HENRY FISCHER TO W.F. FRIEDMAN; FORWARDS COPIES OF THE BILL AND A LETTER FROM WAYNE MORSE TO PAT MCCARRAN 10/23/1951 2 9407 ACC9407 A101298 41768809080790 H.R. 5728, 82D CONGRESS, 1ST SESSION, A BILL "FOR THE RELIEF OF WILLIAM F. FRIEDMAN" AND S. 2283, 82D CONGRESS, 1ST SESSION, A BILL, "FOR THE RELIEF OF WILLIAM F. FRIEDMAN";12/20/1951 LETTER FROM JAG 6TO DIRAFSA NOTING THAT INVESTIGATION MUST BE COMPLETED 9407 ACC9407 A101303 41768889080798 PENDING FRIEDMAN BILLS; LISTS MACHINES AND DEVICES COVERED BY FRIEDMAN'S APPLICATIONS 2/21/1952 2 9407 ACC9407 A101311 41768819080791 UNCLASSIFIED JOB DESCRIPTION, SIGNAL CORPS MEMORANDA REGARDING FRIEDMAN'S PATENTS; LIST OF DOCUMENTS HAND DELIVERED TO JAG ON 17 MARCH 1952 3/17/1952 3 9407 ACC9407 A101313 41768829080792 H.R. 5728 "FOR THE RELIEF OF WILLIAM F. FRIEDMAN"; QUESTIONS FOR NSA FROM THE PATENTS DIVISION OF THE JAGC 12/18/1952 1 9407 ACC9407 A101324 41768859080795 DRAFT LETTER FROM AFSA TO THE JUDGE ADVOCATE GENERAL; RESPONDS TO QUERIES REGARDING FRIEDMAN'S WORK RAISED BY JAG LETTER OF 5 JULY 1951 1/25/1952 5 9407 ACC9407 A101330 41768779080787 DRAFT OPINION REGARDING FRIEDMAN'S CLAIMS FOR COMPENSATION 1/1/1952 2 9407 ACC9407 A101332 41768969080806 DRAFT STATEMENT REGARDING FRIEDMAN'S INVENTIONS, H.R. 5728, AND EXECUTIVE ORDER 10096 1/7/1952 2 9407 ACC9407 A101339 41769169080826 H.R. 1152, 83RD CONGRESS, 1ST SESSION, A BILL "FOR THE RELIEF OF WILLIAM F. FRIEDMAN"; JAGC REQUEST FOR COMMENTS FROM DIRNSA 2/25/1953 1 9407 ACC9407 A101343 41769139080823 H.R. 1152, 83RD CONGRESS, 1ST SESSION, A BILL "FOR THE RELIEF OF WILLIAM F. FRIEDMAN"; DIRNSA REPLY TO JAGC LETTER OF 25 FEBRUARY 1953 3/6/1953 1 9407 ACC9407 A101355 41769029080812 H.R. 5728 "FOR THE RELIEF OF WILLIAM F. FRIEDMAN"; LETTER FROM DIRNSA ANSWERING QUESTIONS IN JAGC LETTER OF 18 DECEMBER 1952 1/8/1953 5 9407 ACC9407 A101361 41769199080829 NOTE TO FRIEDMAN FROM HENRY STAUFFER; FORWARDS COPY OF A 24 MARCH 1949 COMPTROLLER GENERAL LETTER 12/9/1955 7 9407 ACC9407 A101371 41768999080809 PRIVATE LAW 625 - 84TH CONGRESS CHAPTER 264 - 2D SESSION H.R. 2068; ACT FOR THE RELIEF OF WILLIAM F. FRIEDMAN 5/10/1956 1 9407 ACC9407 A101375 41768929080802 RECORD OF REQUEST BY FRIEDMAN FOR COPY OF FEBRUARY 1952 AFSA LETTER TO THE JAG 11/27/1953 1 9407 ACC9407 A101383 41769089080820 COURT DECISIONS PERTAINING TO FRIEDMAN'S CLAIMS 1/1/1951 73 47270 FOLDER 074 A104568 41712169075146 UNITED STATES-UNITED KINGDOM PATENT AGREEMENTS 10/25/1950 1 47270 FOLDER 074 A104576 41712219075152 SIGNAL CORPS CLEARANCE OF RELEASE OF TECHNICAL INFORMATION TO FOREIGN NATIONALS 8/3/1950 7 47270 FOLDER 074 A104588 41712249075155 POLICY FOR BRUSA COMSEC CONFERENCE IN REGARD TO CONDITIONS OF RELEASE OF INFORMATION; DRAFT POLICY STATEMENTS 9/11/1950 4 47270 FOLDER 074 A104591 41713459075276 POLICY FOR BRUSA COMSEC CONFERENCE IN REGARD TO CONDITIONS OF RELEASE OF INFORMATION; DRAFT OF PROPOSED POLICY STATEMENT 9/7/1950 9 47270 FOLDER 074 A104601 41712869075217 UNITED STATES - UNITED KINGDOM SECURITY AGREEMENT 9/12/1950 10 47270 FOLDER 074 A104605 41713639075294 PROPOSED LEGISLATION "TO PROVIDE FOR THE WITHHOLDING OF CERTAIN PATENTS THAT MIGHT BE DETRIMENTAL TO THE NATIONAL SECURITY, AND FOR OTHER PURPOSES 1/1/1951 14 47270 FOLDER 074 A104609 41713879075319 SECRECY ORDERS ON PATENT APPLICATIONS 6/23/1953 3 47270 FOLDER 074 A104610 41712309075162 INTERPRETATIONS AND OPINIONS NO. 4 OF THE GOVERNMENT PATENTS BOARD 3/11/1954 16 47270 FOLDER 074 A104613 41714149075345 GOVERNMENT INCENTIVES, AWARDS AND REWARDS PROGRAM PAMPHLET 9/25/1952 1

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47270 FOLDER 074 A104618 41712749075206 PART II OF FINAL REPORT OF ARMED SERVICES PATENT POLICY REVIEW BOARD 7/21/1953 67 47270 FOLDER 074 A104621 41712389075169 COMMENTS ON PROPOSED AFSA REGULATION ON PATENTS 12/18/1950 1 47270 FOLDER 074 A104680 41712559075185 DRAFT OF PROPOSED LEGISLATION REGARDING PATENTS 5/1/1951 6 47270 FOLDER 074 A104681 41712289075159 DRAFT OF PROPOSED AFSA REGULATION REGARDING GOVERNMENT PATENTS BOARD 12/13/1950 7 47270 FOLDER 074 A104682 41712369075166 EXECUTIVE ORDER 10096 7/5/1950 1 47270 FOLDER 074 A104683 41713409075271 EXECUTIVE ORDER 10096 4/24/1950 2 47270 FOLDER 074 A104684 41712349075165 QUERY REGARDING EFFECTS OF EXECUTIVE ORDER 10096 ON AFSA 5/22/1950 1 47270 FOLDER 074 A104686 41712629075193 NOTE FROM FRIEDMAN TO CAPTAIN WENGER REGARDING EXECUTIVE ORDERS 9865 AND 10096 5/19/1950 1 47270 FOLDER 074 A104687 41714179075348 POLICY RELATING TO EMPLOYEE-MADE INVENTIONS 9/15/1950 23 47270 FOLDER 074 A104692 41712929075223 CORRESPONDENCE BETWEEN FRIEDMAN, CHIEF ASA, AND PATENTS SECTION, ASA R&D DIVISION REGARDING GOVERNMENT PATENT POLICY 3/4/1949 19 47270 FOLDER 074 A104693 41714239075354 ARMY SERVICE FORCES, OFFICE OF THE CHIEF SIGNAL OFFICER, PATENT MEMORANDUM NO. 5 1/1/1940 3 47270 FOLDER 074 A104694 41714339075364 SIGNAL CORPS GENERAL DEVELOPMENT LABORATORY, PATENT MEMORANDUM NO. 4 1/1/1939 2 47270 FOLDER 074 A104695 41712699075200 SIGNAL CORPS GENERAL DEVELOPMENT LABORATORY, PATENT MEMORANDUM NO. 3 1/1/1939 1 47270 FOLDER 074 A104696 41712589075189 SIGNAL CORPS PATENT MEMORANDUM NO. 1 4/25/1936 1 47270 FOLDER 074 A104697 41714369075367 MEMORANDUM CONCERNING EXECUTIVE ORDER 10096 10/27/1950 1 47270 FOLDER 073 A104698 41713349075266 BRIEF HISTORY OF STEPS AND ACTIONS TAKEN LEADING TO SUBMISSION OF PRIVATE BILL S.2283 9/11/1952 15 47270 FOLDER 073 A104704 41713769075307 WILLIAM F. FRIEDMAN - CIVILIAN EMPLOYEE OF ARMY SECURITY AGENCY 11/16/1949 3 47270 FOLDER 073 A104708 41713699075301 NOTE TO CHIEF, ASA WITH DRAFT OF PROPOSED 3D ENDORSEMENT 9/8/1949 5 47270 FOLDER 073 A104710 41714059075337 FIRST AND SECOND ENDORSEMENTS REGARDING FRIEDMAN'S LETTER OF 8 DECEMBER 1947 5/23/1949 2 47270 FOLDER 073 A104716 41714449075376 RETURN OF PAPERS IN RE PATENT APPLICATION SERIAL NO. 443,320 3/3/1949 30 47270 FOLDER 073 A104721 41714009075331 PATENT APPLICATION SERIAL NO. 443,320 12/8/1947 7 47270 FOLDER 073 A104726 41714489075379 RELEASE OF PATENT APPLICATION SERIAL NO. 443,320 8/6/1947 9 47270 FOLDER 073 A104736 41714559075386 RELEASE OF PATENT APPLICATION SERIAL NO. 443, 320 4/16/1946 1 47270 FOLDER 073 A104739 41714919075422 RELEASE OF CRYPTOGRAPHIC PRINCIPLES 1/26/1946 5 47270 FOLDER 073 A104754 41714969075427 PATENT OFFICE SECRECY ORDERS 8/31/1945 3 47270 FOLDER 073 A104760 41713559075286 MEMORANDUM TO GENERAL CORDERMAN REGARDING DECLASSIFICATION OF CRYPTOGRAPHIC EQUIPMENT 10/25/1945 2 47270 FOLDER 073 A104765 41713839075314 DECLASSIFICATION OF PATENT APPLICATION SER. NO. 443,320; MEMO FROM SIGNAL CORPS CHIEF, PLANS & OPERATIONS STAFF RE CRYPTO INVENTIONS 10/24/1945 2 47270 FOLDER 073 A104786 41715019075432 DECLASSIFICATION PATENT APPLICATION SERIAL NO. 443,320 10/23/1945 8 47270 FOLDER 073 A104812 41715049075434 RETURN OF PAPERS IN THE CASE OF PATENT APPLICATION SERIAL NO. 443,320; WILLIAM FRIEDMAN COMMENTS ON PAPERS IN THE CASE OF PATENT APPLICATION SERIAL NO. 443,3208/12/1948 14 47270 FOLDER 073 A104821 41714109075341 STATEMENTS OF FEDERAL SERVICE FOR WILLIAM FRIEDMAN AND FRANK B. ROWLETT; SUMMARY OF PERSONNEL ACTIONS, POSITIONS, GRADES, SALARIES, ETC 2/10/1948 4 47270 FOLDER 073 A104825 41714749075406 WILLIAM F. FRIEDMAN - CIVILIAN EMPLOYEE OF ARMY SECURITY AGENCY 11/16/1949 2 47270 FOLDER 071 A104846 41715079075438 COVER NOTE FROM WILLIAM FRIEDMAN RE SIGNAL CORPS PATENT BOARD MEETINGS; REFERENCE SIGNAL CORPS FILE 334.7 1/1/1941 1 47270 FOLDER 071 A104852 41715129075443 SIGNAL CORPS PATENT BOARD MEETING NO. 32, 23 SEPTEMBER 1941; AGENDA INCLUDES CRYPTOGRAPH BY WILLIAM FRIEDMAN AND FRANK ROWLETT 9/30/1941 3 47270 FOLDER 071 A104862 41714719075402 SIGNAL CORPS PATENT BOARD MEETING NO. 34, 10 MARCH 1942 3/11/1942 2 47270 FOLDER 071 A104863 41715169075446 SIGNAL CORPS PATENT BOARD MEETING NO. 35, 7 APRIL 1942 4/11/1942 3 47270 FOLDER 071 A104866 41714869075416 SIGNAL CORPS PATENT BOARD MEETING NO. 36, 5 MAY 1942 5/15/1942 2 47270 FOLDER 071 A104869 41715239075453 SIGNAL CORPS PATENT BOARD MEETING NO. 37, 1 JULY 1942 7/20/1942 4 47270 FOLDER 071 A104875 41714599075390 SIGNAL CORPS PATENT BOARD MEETING NO. 38, 4 AUGUST 1942 8/14/1942 2 47270 FOLDER 071 A104879 41713509075281 SIGNAL CORPS PATENT BOARD MEETING NO. 39, 12 SEPTEMBER 1942 1/30/1943 5 47270 FOLDER 071 A104884 41713949075325 SIGNAL CORPS PATENT BOARD MEETING NO. 30, 22 NOVEMBER 1940; BOARD RECOMMENDATIONS ON INVENTIONS 11/23/1940 2 47270 FOLDER 071 A104886 41715349075465 SIGNAL CORPS PATENT BOARD MEETING NO. 25, 7 FEBRUARY 1939; INCLUDES RECOMMENDATION ON INVENTION BY WILLIAM FRIEDMAN 2/8/1939 2 47270 FOLDER 071 A104887 41715389075469 SIGNAL CORPS PATENT BOARD MEETING NO. 20, 10 MARCH 1938; RECOMMENDATION CONCERNING SIMPLE CIPHER DEVICE SUBMITTED BY WILLIAM FRIEDMAN 3/11/1938 1 47270 FOLDER 071 A104889 41715429075473 SIGNAL CORPS PATENT BOARD MEETING NO. 13, 18 JULY 1937; AGENDA INCLUDES QUERY AND RECOMMENDATION CONCERNING INVENTION BY WILLIAM FRIEDMAN 7/18/1937 2 47270 FOLDER 071 A104893 41715279075458 SIGNAL CORPS PATENT BOARD MEETING NO. 12, 24 JUNE 1937; AGENDA INCLUDES SEVERAL INVENTIONS BY WILLIAM F. FRIEDMAN 6/24/1937 2 47270 FOLDER 071 A104898 41715629075493 SIGNAL CORPS PATENT BOARD MEETING NO. 9, 31 DECEMBER 1936; DISCUSSION AND RECOMMENDATIONS INCLUDE SEVERAL INVENTIONS BY WILLIAM FRIEDMAN 12/31/1936 3 47270 FOLDER 071 A104902 41715259075456 SIGNAL CORPS PATENT BOARD MEETING NO. 6, 28 AUGUST 1936; BOARD RECOMMENDATIONS CONCERNING SEVERAL FRIEDMAN INVENTIONS 8/28/1936 3 47270 FOLDER 071 A104907 41714409075371 MEMO CALLING MEETING OF THE SIGNAL CORPS PATENT BOARD ON 28 AUGUST 1936; AGENDA INCLUDES SEVERAL INVENTIONS BY WILLIAM FRIEDMAN AND OTHERS 8/26/1936 1 47270 FOLDER 071 A104910 41715299075460 PROCEEDINGS OF PATENT BOARD; MEMO FROM ACTING CHIEF SIGNAL OFFICER TO AIRCRAFT RADIO LABORATORY, WRIGHT FIELD, OH 8/21/1936 1 47270 FOLDER 071 A104912 41714819075412 MEMO CALLING FOR MEETING OF THE SIGNAL CORPS PATENT BOARD; AGENDA INCLUDES SEVERAL INVENTIONS BY WILLIAM FRIEDMAN AND OTHERS 7/31/1936 1 47270 FOLDER 071 A104916 41715329075463 SIGNAL CORPS PATENT BOARD MEETING NO. 3, 26 MAY 1936; DISCUSSION OF INVENTIONS AND PATENT APPLICATIONS OF WILLIAM F. FRIEDMAN 5/29/1936 2

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47270 FOLDER 071 A104921 41715559075486 SIGNAL CORPS PATENT BOARD MEETING NO. 2; RECOMMENDATION ON PATENT APPLICATIONS BY WILLIAM FRIEDMAN ET AL 4/17/1936 2 47270 FOLDER 071 A104925 41715499075480 SIGNAL CORPS PATENT BOARD MEETING NO. 1 4/22/1936 2 47270 FOLDER 072 A104946 41715649075495 COVER NOTE TO WILLIAM FRIEDMAN RE PATENTS; NOTE FROM CIA TO WILLIAM FRIEDMAN 2/7/1955 1 47270 FOLDER 072 A104949 41715519075482 COVER NOTE FROM WILLIAM FRIEDMAN RE PATENTS; NOTE FROM WILLIAM FRIEDMAN TO CIA 12/2/1954 1 47270 FOLDER 072 A104953 41715539075484 DIFFERENCE BETWEEN WILLIAM FRIEDMAN'S PATENTS AND DURKEE'S PATENT; NOTE TO WILLIAM FRIEDMAN FROM NSA R&D 11/5/1954 1 47270 FOLDER 072 A104957 41715669075497 NOTE FROM WILLIAM FRIEDMAN REQUESTING RETURN OF PATENTS; NOTE FROM WILLIAM FRIEDMAN TO CIA 1/6/1955 1 47270 FOLDER 072 A104962 41715689075499 WILLIAM FRIEDMAN'S PATENTS NO. 1,530,660 & 1,694,874 VS DURKEE'S PATENT; NOTE FROM FRIEDMAN TO NSA R&D 11/1/1954 1 47270 FOLDER 072 A104966 41714539075384 DUALEX TELEGRAPH EQUIPMENT AND PATENTS ISSUED; INTERNAL NSA NOTE TO WILLIAM FRIEDMAN 9/10/1954 1 47270 FOLDER 072 A104970 41715709075501 DUALEX CORPORATION, A PATENT HOLDING COMPANY; MEMO FROM SPECIAL ASSISTANT TO CHIEF, R&D TO WILLIAM FRIEDMAN 9/8/1954 1 47270 FOLDER 072 A104975 41716079075538 U.S. PATENT NO. 2,552,548 FOR FACSIMILE ENCIPHERING SYSTEM; LETTER FROM WILLIAM FRIEDMAN TO VICE PRESIDENT, WESTERN UNION TELEGRAPH COMPANY 9/8/1953 5 47270 FOLDER 070 A105019 41714649075396 DESCRIPTION OF TYPEWRITER CRYPTOGRAPHING MACHINE BY WILLIAM FRIEDMAN; TEXT AND DRAWINGS 6/1/1924 18 47270 FOLDER 070 A105020 41715209075451 MODIFICATION OF TELETYPE APPARATUS FOR CRYPTOGRAPHIC PURPOSES; MEMO FROM COLONEL MCCLURE, SIGNAL CORPS TO THE PERSONNEL DIVISION, TRAINING SECTION 7/18/1924 1 47270 FOLDER 070 A105021 41716089075539 PROPOSAL FOR MODIFYING TELETYPE APPARATUS FOR CIPHER PURPOSES; CONCEIVED BY WILLIAM F. FRIEDMAN, CRYPTANALYST, SIGNAL CORPS 6/4/1924 2 47270 FOLDER 070 A105022 41716109075541 DESCRIPTION OF NEW DEVICE TO ENCODE AND DECODE TELETYPE MESSAGES; TEXT AND DRAWINGS AS CONCEIVED BY WILLIAM F. FRIEDMAN ET AL 7/16/1924 6 47270 FOLDER 070 A105023 41715479075478 DESCRIPTION OF DEVICES FOR ENCIPHERING TELETYPE MESSAGES; INVENTION OF WILLIAM F. FRIEDMAN ET AL 5/1/1925 2 47270 FOLDER 070 A105024 41716129075543 NOTES BETWEEN WILLIAM FRIEDMAN, MAJOR EVANS , AND MR. GRAHAM CONCERNING PATENT ISSUE 5/1/1925 2 47270 FOLDER 069 A105025 41715609075491 CONTINUOUS ISOMORPHIC PATTERNIZER; NOTE FROM S. KULLBACK TO WILLIAM FRIEDMAN 9/18/1950 1 47270 FOLDER 069 A105026 41716299075560 DESCRIPTIONS OF COINCIDENCE MACHINE AND MACHINE FOR LOCATING IDIOMORPHS AND ISOMORPHS; COVER NOTE AND ENCLOSURES FROM WILLIAM F. FRIEDMAN TO DR. KULLBACK8/16/1950 24 47270 FOLDER 068 A105027 41716339075564 ENGINEERING REPORT NO. 20 - INVESTIGATION OF TELEGRAPHONE AS A MEANS FOR INTRODUCING A TIME DELAY IN A SIGNAL NETWORK; ORIGINATED BY SIGNAL CORPS LABORATORIES,2/9/1932 FORT MONMOUTH,15 NJ 47270 FOLDER 068 A105034 41716349075565 NOTE FROM WILLIAM FRIEDMAN DISCUSSING OLD RECORDS; NOTES BETWEEN WILLIAM FRIEDMAN AND MR. MATHEWS, R&D 12/13/1954 2 47270 FOLDER 068 A105036 41716239075554 REQUEST FOR RESUBMISSION OF INVENTION TO SIGNAL CORPS PATENT BOARD; MEMO FROM WILLIAM FRIEDMAN AND CAPTAIN MILLER 12/17/1936 3 47270 FOLDER 068 A105039 41716179075548 REQUEST FOR COMMENTS ON INVENTION BY CAPTAIN MILLER AND WM. FRIEDMAN - SYSTEM AND MEANS FOR ENCIPHERING AND DECIPHERING MAGNETICALLY RECORDED SIGNALS;5/27/1936 MEMO AND SCHEMATICS7 FROM SIGNAL CORPS, WASHINGTON TO SIGNAL CORPS LABORATORIES, FORT MONMOUTH, NJ AND REPLY 47270 FOLDER 068 A105040 41716189075549 JOINT INVENTION OF A SYSTEM AND MEANS FOR ENCIPHERING AND DECIPHERING MAGNETICALLY-RECORDED SIGNALS 5/12/1936 1 47270 FOLDER 068 A105042 41716359075566 MEANS OF SECURING SECRECY IN VOICE COMMUNICATIONS; LETTER FROM CAPTAIN MILLER, SIGNAL CORPS, CONCERNING HIS AND WILLIAM FRIEDMAN'S WORK 3/15/1937 2 47270 FOLDER 068 A105043 41716389075569 COVER MEMO FOR DESCRIPTION OF SYSTEM FOR AUTOMATIC SORTING OF DOCUMENTS; MEMO FROM WILLIAM FRIEDMAN TO SIGNAL CORPS, R&D DIVISION 6/30/1936 1 47270 FOLDER 068 A105053 41716159075546 LETTERS BETWEEN MAJOR RANGER, PRESIDENT OF RANGERTONE, INC., AND WILLIAM FRIEDMAN REGARDING TESTS OF TAPE RECORDINGS 11/22/1937 10 47270 FOLDER 068 A105054 41716169075547 SOUND RECORDING ON MAGNETIC TAPE; ARTICLE BY C.N. HICKMAN IN BELL SYSTEM TECHNICAL JOURNAL, APRIL 1937 4/1/1937 13 47270 FOLDER 068 A105055 41716319075562 SIGNAL CORPS PATENT BOARD RECONSIDERATION OF PROPOSAL BY FRIEDMAN AND MILLER; FINDING ON PROPOSAL FOR SYSTEM FOR ENCIPHERING AND DECIPHERING MAGNETICALLY-RECORDED1/7/1937 SIGNALS 5 47270 FOLDER 068 A105059 41716219075552 COMMENTS BY CAPTAIN MILLER AND FRIEDMAN ON INVENTION AND RECOMMENDATION FOR PATENT APPLICATION FILING; QUERY FROM SIGNAL CORPS, R&D TO MILLER AND FRIEDMAN6/20/1936 AND RESPONSE 1 47270 FOLDER 068 A105062 41716279075558 COMMENTS BY SIGNAL CORPS LABORATORIES, FORT MONMOUTH, NJ ON INVENTION BY CAPTAIN MILLER AND MR. WM. FRIEDMAN; INCLUDES MARGIN COMMENT 6/5/1936 2 47270 FOLDER 068 A105066 41716409075571 SYSTEM AND MEANS FOR ENCIPHERING AND DECIPHERING MAGNETICALLY RECORDED SIGNALS; MEMO AND TWO SKETCHES OF THE SYSTEM INVENTED BY CAPTAIN MILLER AND WILLIAM5/25/1936 F. FRIEDMAN 3 47270 FOLDER 068 A105070 41715449075475 MAGNETICALLY RECORDED SIGNALS; LETTER FROM SIGNAL CORPS LABORATORIES CONCERNING INVENTION OF CAPTAIN MILLER AND WILLIAM FRIEDMAN 3/19/1937 3 47270 FOLDER 068 A105075 41716429075573 PROPOSED MODIFICATION TO FRIEDMAN & MILLER'S MAGNETIC TAPE RECORDING INVENTION; DRAFT MEMO TO CHIEF SIGNAL OFFICER REGARDING PATENT APPLICATION 6/19/1937 3 47270 FOLDER 068 A105077 41716469075577 JOINT INVENTION OF A SYSTEM AND MEANS FOR ENCIPHERING AND DECIPHERING MAGNETICALLY-RECORDED SIGNALS 5/12/1936 3 47270 FOLDER 067 A105094 41716489075579 AMENDMENT TO APPLICATION FOR PATENT 478,868 OF WILLIAM F. FRIEDMAN AND JOSEPH O. MAUBORGNE; RESPONDS TO PATENT OFFICE COMMENTS OF 9 JUNE 1948 12/9/1948 5 47270 FOLDER 067 A105098 41716509075581 WILLIAM FRIEDMAN ETAL PATENT APPLICATION 478,868, SYSTEM FOR ENCIPHERED FACSIMILE; MEMO FROM U.S. PATENT OFFICE TO LEGAL DIVISION, CHIEF SIGNAL OFFICER 6/9/1948 1 47270 FOLDER 067 A105101 41716529075584 PATENT APPLICATIONS OF WILLIAM F. FRIEDMAN, S.N. 478,868 AND 478,193; MEMOS REGARDING RESCINDING SECRECY 9/8/1947 3 47270 FOLDER 067 A105124 41715579075488 FRIEDMAN AND MAUBORGNE PATENT APPLICATIONS; ARMY SECURITY AGENCY MEMOS AGREEING TO DECLASSIFICATION & RELEASE OF PATENT APPLICATIONS 5/19/1947 5 47270 FOLDER 067 A105127 41716559075586 PATENT APPLICATION OF FRIEDMAN AND MAUBORGNE, SN 478,868; LETTER FROM S. KULLBACK TO CHIEF SIGNAL OFFICER'S LEGAL DIVISION 10/11/1946 1 47270 FOLDER 067 A105128 41716569075587 AMENDMENT TO PATENT APPLICATION 478,868 OF WILLIAM F. FRIEDMAN AND JOSEPH O. MAUBORGNE; PATENT FOR SYSTEM FOR ENCIPHERING FACSIMILE 6/1/1947 2 47270 FOLDER 067 A105132 41716579075588 PETITION FOR PATENT BY WILLIAM F. FRIEDMAN AND J.O. MAUBORGNE FOR A SYSTEM FOR ENCIPHERING FACSIMILE; PETITION TO COMMISSIONER OF PATENTS AND SPECIFICATION 3/1/1943OF INVENTION 16 47270 FOLDER 067 A105134 41716599075590 WILLIAM FRIEDMAN & COLONEL MAUBORGNE'S JOINT APPLICATION FOR A PATENT ENTITLED "SYSTEM FOR ENCIPHERING FACSIMILE"; LETTER FROM OFFICE OF LEGAL DIRECTOR, SIGNAL2/2/1943 CORPS 2 47270 FOLDER 067 A105136 41716609075591 U.S. PATENT APPLICATIONS FRIEDMAN AND MAUBORGNE S.N. 478,868 AND FRIEDMAN S.N. 478,193; LETTER TO WILLIAM FRIEDMAN FROM PATENTS & INVENTIONS COUNSEL, SIGNAL10/18/1943 CORPS 1 47270 FOLDER 067 A105137 41716449075575 PATENT APPLICATION ON FACSIMILE ENCIPHERMENT; MEMO FROM WILLIAM FRIEDMAN TO MR. HALL, PATENTS SEC, LEGAL DIV, OCSIGO 6/6/1942 1 47270 FOLDER 067 A105139 41716629075593 APPLICATIONS FOR PATENTS BY WILLIAM FRIEDMAN AND COLONEL MAUBORGNE; MEMO FROM MAJOR BROWNING, SIGNAL CORPS PATENT BOARD 1/8/1937 1 47270 FOLDER 067 A105140 41716649075595 LETTER FROM WILLIAM FRIEDMAN TO COLONEL MAUBORGNE, SIGNAL CORPS, WRIGHT FIELD; ACKNOWLEDGEMENT OF PREVIOUS LETTER FROM COLONEL MAUBORGNE 9/24/1936 1 47270 FOLDER 067 A105141 41716659075596 LETTER FROM MAUBORGNE, WRIGHT FIELD, TO WILLIAM F. FRIEDMAN; PATENT APPLICATION 9/16/1936 2 47270 FOLDER 067 A105142 41716669075597 SIGNAL CORPS PATENT BOARD FINDINGS REGARDING INVENTIONS BY MAUBORGNE AND FRIEDMAN 9/1/1936 1 47270 FOLDER 067 A105146 41716149075545 COVER LETTER FOR TWO METHODS OF ENCIPHERING FACSIMILE 6/13/1936 1 47270 FOLDER 067 A105147 41716689075599 LETTER TO COLONEL MAUBORGNE WITH PHOTOSTATS OF A METHOD OF ENCIPHERING FACSIMILE 4/4/1932 1

UNCLASSIFIED 3 UNCLASSIFIED

47270 FOLDER 067 A105148 41716789075609 SKETCHES OF MAUBORGNE'S AND FRIEDMAN'S SYSTEM FOR ENCIPHERING FACSIMILE 1/25/1926 3 47270 FOLDER 067 A105150 41716719075602 PROPOSAL FOR SECRECY IN THE JENKINS RADIO PICTURE SYSTEM 7/28/1924 1 47270 FOLDER 067 A105153 41716909075622 DRAFT DESCRIPTION OF MAUBORGNE'S AND FRIEDMAN'S METHOD FOR SECRET TRANSMISSION AND RECEPTION OF PHOTOGRAPHS BY ELECTRIC MEANS 2/1/1926 31 47270 FOLDER 066 A105156 41716769075607 SCHEMATIC OF PATENT NO. 2,552,548 FACSIMILE ENCIPHERING SYSTEM 5/15/1951 5 47270 FOLDER 066 A105169 41716959075625 DECISION OF BOARD OF APPEALS IN APPEAL NO. 21,161 REGARDING APPLICATION FOR PATENT FILED MARCH 6, 1943, SERIAL NO. 478,193. SYSTEM FOR ENCIPHERING FACSIMILE 12/8/1950 7 47270 FOLDER 066 A105171 41716259075556 PATENT ALLOWED FOR FACSIMILE ENCIPHERING SYSTEM (AS AMENDED BY EXAMINER) SERIAL NUMBER 478,193 2/15/1951 1 47270 FOLDER 066 A105177 41716979075627 APPLICATIONS FOR PATENT SERIAL NUMBERS 551,172/478,193 8/9/1950 2 47270 FOLDER 066 A105178 41716739075604 APPLICATIONS FOR PATENT - SN 478,193 AND SN 478,868 6/5/1947 4 47270 FOLDER 066 A105180 41716819075612 APPEAL NUMBER 21,161 REGARDING APPLICATION FOR PATENT OF WILLIAM F. FRIEDMAN, SYSTEM FOR ENCIPHERING FACSIMILE, SERIAL NUMBER 478,193, FILED 6 MARCH 1943 9/5/1950 7 47270 FOLDER 066 A105182 41716849075615 BOARD OF APPEALS FINDING REGARDING CLAIM 14, APPEAL NO. 21,161, PATENT SER. NO. 478,193, SYSTEM FOR ENCIPHERING FACSIMILE 10/11/1949 7 47270 FOLDER 066 A105185 41716679075598 APPEAL REGARDING FINAL REJECTION OF CLAIM 14, SERIAL NUMBER 478,193 FOR SYSTEM FOR ENCIPHERING FACSIMILE 11/1/1949 1 47270 FOLDER 066 A105187 41716879075618 AMENDMENT IN RESPONSE TO FINAL REJECTION OF 28 JANUARY 1949 REGARDING SERIAL NUMBER 478,193 FOR SYSTEM FOR ENCIPHERING FACSIMILE 7/28/1949 5 47270 FOLDER 066 A105194 41716809075611 APPLICATIONS FOR PATENT - SN 478,193 AND SN 478,868 6/5/1947 7 47270 FOLDER 066 A105198 41716989075628 AMENDMENT TO APPLICATION OF WILLIAM F. FRIEDMAN, SERIAL NUMBER 478,193 FOR SYSTEM FOR ENCIPHERING FACSIMILE 10/31/1947 5 47270 FOLDER 066 A105208 41716999075629 PATENT OFFICE RULING ON SERIAL NO. 478,193 FILED MARCH 6, 1943, SYSTEM FOR ENCIPHERING FACSIMILE 3/7/1944 2 47270 FOLDER 066 A105212 41717009075630 SIGNAL CORPS LEGAL INSTRUCTIONS FOR PATENT APPLICATION FOR SYSTEM FOR ENCIPHERING FACSIMILE 1/29/1943 19 47270 FOLDER 066 A105219 41717029075632 SIGNAL CORPS PATENT BOARD DECISIONS REGARDING INVENTIONS BY MAUBORGNE AND FRIEDMAN 9/1/1936 1 47270 FOLDER 066 A105224 41717039075633 COVER LETTER FOR SCHEMATICS OF INVENTIONS BY MAUBORGNE AND FRIEDMAN FOR ENCIPHERING FACSIMILE OR TELEPHOTO 6/13/1936 3 32526 ACC32526 A111567 41784359082341 BLACK CHAMBER WITH WM. FRIEDMAN'S & OTHERS' COMMENTS; EXTRACTS FROM HERBERT O. YARDLEY'S "THE AMERICAN BLACK CHAMBER" 1/1/1932 110 47270 FOLDER 067 A114610 41717059075635 FRIEDMAN AND MAUBORGNE TO U.S. PATENT OFFICE - AMENDMENTS TO PATENT CLAIM NO. 478,868 10/16/1943 4 47270 FOLDER 067 A114619 41717069075636 PATENT EXAMINER REJECTION OF CLAIM 4 SERIAL 478,868 FRIEDMAN PATENT APPLICATION; PATENT OF SYSTEM FOR ENCIPHERING FACSIMILE 10/16/1943 1 47270 FOLDER 066 A114629 41717089075638 AMENDMENT TO FRIEDMAN PATENT SERIAL NO. 478,193 12/9/1948 6 47270 FOLDER 066 A114635 41717109075640 U.S. PATENT OFFICE RESPONSE TO 20 OCTOBER 1947 AMENDMENT FRIEDMAN APPLICATION PATENT 478,193 6/10/1948 2 47270 FOLDER 066 A114644 41717129075641 U.S. PATENT OFFICE RESPONSE TO AMENDMENT FRIEDMAN APPLICATION PATENT NO. 478,193; SYSTEM FOR ENCIPHERING FACSIMILE 10/16/1943 1 15281 ACC15281 A2119475 41785109082412 THE FRIEDMAN LECTURES ON CRYPTOLOGY 1/1/1965 187 47111 ACC47111 1 OF A22629985 41768839080793 HAGELIN LETTER TO BILLIE (FRIEDMAN) 8/2/1943 2 47111 ACC47111 1 OF A22630025 41768869080796 B. HAGELIN LETTER TO BILL DISCUSSING STU AND A CONVERTER 10/16/1943 1 47111 ACC47111 1 OF A22630065 41768899080799 HAGELIN LETTER TO DEAR BILL DISCUSSING "BAUDOT" SENDER 11/17/1943 2 47111 ACC47111 1 OF A22630145 41768909080800 LETTER FROM BORIS HAGELIN TO WILLIAM FRIEDMAN SEEKING A VISIT; GERMAN SECRET COMMUNICATIONS SYSTEMS 8/26/1945 1 47111 ACC47111 1 OF A22630195 41768939080803 FRIEDMAN LETTER TO BORIS HAGELIN: VISIT TO SUNDSOR; FUTURE VISITS DISCUSSED 9/26/1945 1 47111 ACC47111 1 OF A22630225 41768959080805 HAGELIN LETTER TO FRIEDMAN; BACK FROM TRIP TO HOLLAND; NEW IMPROVED "B-211" 11/4/1946 1 47111 ACC47111 1 OF A22630445 41768989080808 FRIEDMAN LETTER TO BORIS AND ANNIE HAGELIN; VISIT TO GERMANY 11/8/1946 2 47111 ACC47111 1 OF A22630485 41769059080815 FRIEDMAN LETTER TO HAGELIN - PATENTS, BROCHURES, AND LITERARY SOUVENIRS 11/29/1946 2 47111 ACC47111 1 OF A22630505 41769019080811 HAGELIN LETTER TO FRIEDMAN; INTEREST IN THE KIRKES VISIT 12/7/1946 1 47111 ACC47111 1 OF A22630525 41769109080819 ANNIE HAGELIN LETTER TO ELIZEBETH FRIEDMAN THANKING HER FOR THE NYLONS 12/7/1946 1 47111 ACC47111 1 OF A22630555 41769119080821 FRIEDMAN LETTER TO BORIS HAGELIN; CONSTRUCTION OF A NEW MACHINE OF THE BC TYPE 1/20/1947 2 47111 ACC47111 1 OF A22630585 41769149080824 HAGELIN LETTER TO FRIEDMAN; TELECRYPTO "ADDITION" IS FINISHED; TEN-KEY FIGURE CIPHERING MACHINE 6/12/1947 1 47111 ACC47111 1 OF A22630605 41769179080827 HAGELIN LETTER TO FRIEDMAN; 10-KEY MACHINE IS IN FRANCE 8/9/1947 1 47111 ACC47111 1 OF A22630635 41769209080830 LETTER TO BORIS HAGELIN DISCUSSING CRYPTOGRAPHY, COSTS PER UNIT 10/10/1947 2 47111 ACC47111 1 OF A22630665 41769239080833 FRIEDMAN LETTER TO STU DISCUSSING BILLIE'S MECHANISM 10/18/1947 1 47111 ACC47111 1 OF A22630725 41769259080835 FRIEDMAN LETTER TO BORIS ; PERSONAL EXCHANGE; REFERENCE TO STU AND A STRIP DEVICE 10/26/1947 2 47111 ACC47111 1 OF A22630765 41769289080838 BORIS HAGELIN LETTER TO FRIEDMAN; NEW BRICK WORKS IN OPERATION; M-209S FROM SURPLUS DUMP 11/2/1947 1 47111 ACC47111 1 OF A22630805 41769309080840 FRIEDMAN LETTER TO BORIS DISCUSSING BUSINESS OF THE M-209S; PLEASANTRIES 11/8/1947 1 47111 ACC47111 1 OF A22630835 41769329080842 LETTER TO FRIEDMAN FROM A.B. CRYPTOTEKNIK RE PRINTED MATTER BEING MAILED 11/12/1947 1 47111 ACC47111 1 OF A22630855 41769349080844 BORIS HAGELIN LETTER TO BILL FRIEDMAN; M209/C-38 LITERATURE; 11/24/1947 1 47111 ACC47111 1 OF A22630875 41769369080846 A.B. CRYPTOTEKNIK LETTER TO FRIEDMAN; SENDING DESCRIPTIVE MATTER ON C-38; 11/28/1947 1 47111 ACC47111 1 OF A22630905 41769389080848 BORIS HAGELIN LETTER TO FRIEDMAN; C-36 MACHINE 12/8/1947 1 47111 ACC47111 1 OF A22630925 41769769080885 HAGELIN LETTER TO FRIEDMAN; BOSTON FIRM MADE OFFERS TO SELL TYPE M-209-A 12/13/1947 1 47111 ACC47111 1 OF A22630955 41769789080887 HAGELIN LETTER TO FRIEDMAN; DUTCH ARMY RECEIVED LETTER FROM FIRM OFFERING TO DELIVER 450 M209S 12/15/1947 1 47111 ACC47111 1 OF A22630975 41769809080889 FRIEDMAN LETTER TO BORIS HAGELIN DISCUSSING OFFER MADE THROUGH NETHERLANDS PURCHASING COMMISSION 12/21/1947 2

UNCLASSIFIED 4 UNCLASSIFIED

47111 ACC47111 1 OF A22630995 41769829080891 HAGELIN LETTER TO FRIEDMAN; LITTLE ALPHABET ASSEMBLY FOR THE M-209; NEW MACHINE 5/8/1948 1 47111 ACC47111 1 OF A22631045 41769849080893 HAGELIN LETTER TO FRIEDMAN; SUGGESTIONS RE THE MODERNIZATION OF M-209S 12/13/1949 1 47111 ACC47111 2 OF A22631085 41769889080897 HAGELIN LETTER TO FRIEDMAN; NEW DEVICE WHICH COULD BE USED FOR THE M-209S 1/8/1950 1 47111 ACC47111 2 OF A22631125 41769869080895 FRIEDMAN LETTER TO BORIS HAGELIN; FRIEDMAN WAS ILL 6/1/1950 1 47111 ACC47111 2 OF A22631145 41769909080899 FRIEDMAN LETTER TO BORIS HAGELIN; RETIREMENT 9/6/1955 3 47111 ACC47111 2 OF A22631155 41769929080901 BORIS HAGELIN LETTER TO FRIEDMAN; PROPOSED VISIT BY MR. SHINN 9/15/1955 1 47111 ACC47111 2 OF A22631195 41769949080903 HAGELIN LETTER TO FRIEDMAN; VISIT OF MR. SHINN; FIRST PROTOTYPE WITH ROTORS SHOULD BE COMPLETED BY OCTOBER 9/27/1955 1 47111 ACC47111 2 OF A22631215 41769969080905 FRIEDMAN LETTER TO HAGELIN; VISIT OF MR. SHINN; MEDICAL RESULTS OF ANNIE'S EXAMINATION 10/10/1955 2 47111 ACC47111 2 OF A22631225 41769989080907 HAGELIN LETTER TO FRIEDMAN; CANDELA BOOK; NEW ROTOR MACHINE BEING ASSEMBLED 10/15/1955 1 47111 ACC47111 2 OF A22631545 41770069080915 HAGELIN LETTER TO FRIEDMAN; RECEIVED LETTER FROM SHINN RE VISIT; CANDELA BOOK 10/19/1955 1 47111 ACC47111 2 OF A22631555 41770089080917 FRIEDMAN LETTER TO BORIS HAGELIN; CANDELA BOOK; SHINN VISIT 10/28/1955 2 47111 ACC47111 2 OF A22631565 41770119080920 HAGELIN LETTER TO FRIEDMAN; PLEASANTRIES 10/29/1955 1 47111 ACC47111 2 OF A22631575 41770149080923 POSTCARD TO FRIEDMAN; RESTAURANT AKLIN 11/8/1955 4 47111 ACC47111 2 OF A22631585 41770189080927 BORIS HAGELIN LETTER TO FRIEDMAN; ARRIVAL OF SHINN, DOUGLAS, AND CHILES 11/10/1955 1 47111 ACC47111 2 OF A22631595 41770789080987 FRIEDMAN LETTER TO HAGELIN; BIOGRAPHICAL INFORMATION; ORAL REPORT FROM RECENT VISIT TO HAGELIN 12/1/1955 2 47111 ACC47111 2 OF A22631605 41770799080988 HAGELIN LETTER TO FRIEDMAN; VISIT TO U.S 12/14/1955 1 47111 ACC47111 2 OF A22631615 41770809080989 FRIEDMAN LETTER TO BORIS HAGELIN; POSSIBLE MEETING WITH GENERAL CANINE; "TINKER-TOY" OPERATION 12/20/1955 3 47111 ACC47111 2 OF A22631625 41770819080990 HAGELIN LETTER TO FRIEDMAN; UPCOMING TRIP TO WASHINGTON 12/26/1955 1 47111 ACC47111 2 OF A22631635 41770829080991 FRIEDMAN LETTER TO HAGELIN; THANKS FOR THE CUFF LINKS 1/8/1956 1 47111 ACC47111 2 OF A22631645 41770839080992 HAGELIN LETTER TO FRIEDMAN; FIRST TWO HX-56S READY IN A WEEK 4/9/1956 1 47111 ACC47111 2 OF A22631655 41770849080993 FRIEDMAN LETTER TO BORIS HAGELIN; COMMENTS ON RECENT TRIP TO US 4/18/1956 2 47111 ACC47111 2 OF A22631665 41770859080994 POSTCARD FROM HAGELIN TO FRIEDMAN 1/1/1956 2 47111 ACC47111 2 OF A22631675 41770879080996 HAGELIN LETTER TO FRIEDMAN; UPDATE ON BO; COMMENTS ON DR. RUDOLF HELL 4/24/1956 1 47111 ACC47111 2 OF A22631685 41770889080997 FRIEDMAN LETTER TO HAGELIN; MEETING WITH DR. HELL 5/4/1956 2 47111 ACC47111 2 OF A22631695 41770919081000 LETTER TO FRIEDMAN FROM HAGELIN; ARTICLE ON CODES AND CIPHERS; PORTABLE ROTOR MACHINE 5/10/1956 1 47111 ACC47111 2 OF A22631705 41770929081001 FRIEDMAN LETTER TO HAGELIN; ENCYCLOPEDIA BRITANNICA DISCUSSION 5/18/1956 2 47111 ACC47111 2 OF A22631715 41770949081003 HAGELIN LETTER TO FRIEDMAN; ARTICLE IN "TIME' MAGAZINE; DEMONSTRATION OF NEW ROTOR MACHINE 5/19/1956 1 47111 ACC47111 2 OF A22631725 41770959081004 HAGELIN LETTER TO FRIEDMAN; COMMENT ON ARTICLE ON CRYPTOGRAPHY 5/28/1956 1 47111 ACC47111 2 OF A22631745 41770969081005 FRIEDMAN LETTER TO HAGELIN; PRIVATE BILL; TAX SITUATION 7/3/1956 2 47111 ACC47111 2 OF A22631755 41770989081007 HAGELIN LETTER TO FRIEDMAN; SPENDING TIME WITH THE HELLS; ARTICLE IN ENCYCLOPEDIA 7/24/1956 1 47111 ACC47111 2 OF A22631775 41771009081009 HAGELIN LETTER TO FRIEDMAN; SIEMENS DEVELOPING A RANDOM DEVICE 8/7/1956 1 47111 ACC47111 2 OF A22631795 41771029081012 FRIEDMAN MEMORANDUM TO GENERAL CANINE PASSING ON EXTRACT OF LETTER FROM HAGELIN COMMENTING ON SIEMENS RANDOM TAPE DEVICE 8/7/1956 1 47111 ACC47111 2 OF A22631805 41771079081016 FRIEDMAN LETTER TO HAGELIN; VOYNICH MANUSCRIPT 8/8/1956 2 47111 ACC47111 2 OF A22631815 41771109081019 HAGELIN LETTER TO FRIEDMAN; LETTER FROM BARLOW 8/15/1956 2 47111 ACC47111 2 OF A22631835 41771199081029 FRIEDMAN LETTER TO HAGELIN; BARLOW REPLACING DR. SHINN; SIEMENS ACTIVITIES 8/16/1956 2 47111 ACC47111 2 OF A22631845 41773249081233 HAGELIN LETTER TO FRIEDMAN; SIEMENS AND LORENZ GENERATOR; TAPE DECIPHERING TELEWRITERS 8/27/1956 1 47111 ACC47111 2 OF A22631855 41773259081234 FRIEDMAN LETTER TO HAGELIN; BARLOW VISIT IN NOVEMBER 9/25/1956 2 47111 ACC47111 2 OF A22631875 41773269081235 HAGELIN LETTER TO FRIEDMAN; BARLOW MEETING WITH HAGELIN ON 4 NOVEMBER 10/10/1956 1 47111 ACC47111 2 OF A22631895 41773279081236 FRIEDMAN LETTER TO HAGELIN; REVOLVER HARRY'S BOOK 10/19/1956 1 47111 ACC47111 2 OF A22631905 41773289081237 HAGELIN LETTER TO FRIEDMAN; SODERMAN BOOK; BARLOW VISIT 11/9/1956 1 47111 ACC47111 2 OF A22631915 41773299081238 FRIEDMAN LETTER TO HAGELIN; DATA ON C-35, M-209, AND B-21; ORAL REPORT FROM BARLOW ON VISIT TO HAGELIN 11/29/1956 2 47111 ACC47111 2 OF A22631925 41773309081239 HAGELIN LETTER TO FRIEDMAN; PACKAGE SENT TO FRIEDMAN 12/20/1956 2 47111 ACC47111 2 OF A22631935 41773319081240 HAGELIN LETTER TO FRIEDMAN; NEW BRICK WORKS IS OPERATING; TELECRYPTO MECHANISM WORKED VERY NICELY 9/15/1957 1 47111 ACC47111 3 OF A22631945 41773329081241 ELIZEBETH FRIEDMAN LETTER TO HAGELIN; HEALTH PROBLEMS 6/29/1960 1 47111 ACC47111 3 OF A22631955 41773339081242 CONFIRMATION OF FRIEDMAN TELEPHONE CALL TO THE HAGELINS; CONGRATULATIONS ON FATHER HAGELINS HUNDRED BIRTHDAY ANNIVERSARY 9/28/1960 1 47111 ACC47111 3 OF A22631965 41773349081243 HANDWRITTEN LETTER TO FRIEDMAN FROM HAGELIN; THANKS FOR TELEGRAM 9/28/1960 2 47111 ACC47111 3 OF A22631975 41773359081244 FRIEDMAN LETTER TO HAGELIN; UPDATE ON PERSONAL ISSUES 1/8/1961 1 47111 ACC47111 3 OF A22631995 41773369081245 LETTER TO FRIEDMAN FROM HAGELIN; HEALTH ISSUES; PLEASANTRIES 5/2/1960 2 47111 ACC47111 3 OF A22632015 41773499081258 FRIEDMAN LETTER TO HAGELIN; BLEAK INTERNATIONAL PICTURE; EXCELLENT RAPPORT WITH NSA TECHNICAL PEOPLE BUT NOT WITH TOP ADMINISTRATIVE ONES 8/25/1961 1 47111 ACC47111 3 OF A22632035 41773519081260 SHORT NOTE FROM HAGELIN TO FRIEDMAN; A BAD SUMMER 9/4/1961 2

UNCLASSIFIED 5 UNCLASSIFIED

47111 ACC47111 3 OF A22632045 41773549081263 FRIEDMAN HANDWRITTEN LETTER TO HAGELIN; COPY OF CASANOVA ARTICLE 9/15/1961 2 47111 ACC47111 3 OF A22632055 41773529081261 HAGELIN LETTER TO FRIEDMAN; PLEASANTRIES 9/17/1961 2 47111 ACC47111 3 OF A22632065 41773569081265 HAGELIN LETTER TO FRIEDMAN; SENDING BIRTHDAY GIFT; PROSTATE OPERATION 9/26/1961 2 47111 ACC47111 3 OF A22632085 41773579081266 BORIS HAGELIN LETTER TO FRIEDMAN; CASANOVA GLEANINGS 10/14/1961 1 47111 ACC47111 3 OF A22632095 41773589081267 HAGELIN LETTER TO FRIEDMAN; QUESTION RE "ASTARTE" 10/3/1961 1 47111 ACC47111 3 OF A22632115 41773609081269 FRIEDMAN LETTER TO HAGELIN; GIFT CLOCK, NEW YACHT 11/27/1961 1 47111 ACC47111 3 OF A22632135 41773629081270 HAGELIN LETTER TO FRIEDMAN; STILL LOOKING FOR CUFF LINKS; SEASON'S GREETINGS 12/2/1961 3 47111 ACC47111 3 OF A22632145 41773639081272 HAGELIN LETTER TO FRIEDMAN; WORKING HARD ON ROTOR MACHINE 2/22/1962 2 47111 ACC47111 3 OF A22632155 41773659081273 FRIEDMAN LETTER TO BORIS HAGELIN; RESPONSE TO INVITATION TO BORIS' 70TH BIRTHDAY ON 2 JULY 2/25/1962 2 47111 ACC47111 3 OF A22632185 41773669081275 HAGELIN LETTER TO FRIEDMAN; BACONIAN CIPHER; PARTY ON 2 JULY AT GRAND HOTEL IN STOCKHOLM 3/7/1962 1 47111 ACC47111 3 OF A22632205 41773679081276 FRIEDMAN LETTER TO HAGELIN; NOT POSSIBLE TO ATTEND BIRTHDAY CELEBRATION IN JULY; FAMILY MATTERS 4/16/1962 2 47111 ACC47111 3 OF A22632235 41773719081280 HAGELIN LETTER TO FRIEDMAN; PLANS FOR THE SWEDISH TRIP 4/19/1962 1 47111 ACC47111 3 OF A22632255 41773699081278 FRIEDMAN LETTER TO HAGELIN INTRODUCING MR. DAVID KAHN 4/23/1962 1 47111 ACC47111 3 OF A22632265 41773739081282 FRIEDMAN LETTER EXPRESSING REGRET THAT HE CANNOT MAKE BIRTHDAY CELEBRATION IN JULY 4/25/1962 1 47111 ACC47111 3 OF A22632275 41773749081283 HAGELIN LETTER TO FRIEDMAN; MEETING WITH KAHN; BEGIN TO DEVELOP ELECTRONIC CIPHERING MECHANISM 5/5/1962 1 47111 ACC47111 3 OF A22632305 41773759081284 HAGELIN LETTER TO ELIZEBETH AND BILL FRIEDMAN; THANKS FOR BIRTHDAY GIFT OF BOOKS 7/7/1962 3 47111 ACC47111 3 OF A22632325 41773769081285 LETTER TO HAGELIN FROM FRIEDMAN COMMENTING ON BIRTHDAY AND GIFT SENT TO BORIS 7/9/1962 1 47111 ACC47111 3 OF A22632335 41773779081286 FRIEDMAN LETTERS TO HAGELIN; RECEIPT OF PHOTO; BOOK GIFTS 7/17/1962 2 47111 ACC47111 3 OF A22632365 41773799081288 HAGELIN LETTER TO FRIEDMAN; HAPPY TO HEAR FRIEDMAN IS CONSULTANT WITH RCA 8/30/1962 1 47111 ACC47111 3 OF A22632385 41773809081289 LETTER TO HAGELIN FROM FRIEDMAN; RCA BUSINESS; HEALTH; MAYA HIEROGLYPHIC WRITINGS 9/5/1962 2 47111 ACC47111 3 OF A22632395 41773819081290 HAGELIN LETTER TO FRIEDMAN; ARTICLE ON VOYNICH TRANSCRIPT; LOOKING FOR BOOKS 9/13/1962 2 47111 ACC47111 3 OF A22632425 41773829081291 FRIEDMAN LETTER TO HAGELIN; WORK AT RCA ON FOUR DIFFERENT PROJECTS; RUSSIAN BOOKS 10/15/1962 2 47111 ACC47111 3 OF A22632435 41773839081292 HAGELIN LETTER TO FRIEDMAN; WOLODJA LOOKING FOR THE RUSSIAN BOOKS; SWAMPED WITH WORK AT CRYPTO AG 10/20/1962 2 47111 ACC47111 3 OF A22632445 41773849081293 SHORT NOTE FROM HAGELIN TO FRIEDMAN RE WOLODJA COMMENT THAT BOOKS HAVE ARRIVED IN STOCKHOLM 10/22/1962 1 47111 ACC47111 3 OF A22632475 41773859081294 FRIEDMAN LETTER TO HAGELIN; WAITING FOR BOOKS FROM WOLODJA; POSSIBLE VISIT TO CRYPTO AG 10/29/1962 1 47111 ACC47111 3 OF A22632485 41773869081295 FRIEDMAN LETTER TO HAGELIN ASKING FOR SOME BIOGRAPHICAL DATA ON PIERRE L. HENRION 11/11/1962 1 47111 ACC47111 3 OF A22632505 41773879081296 HAGELIN LETTER TO FRIEDMAN; WORKING ON INFORMATION ABOUT HENRION 11/19/1962 2 47111 ACC47111 3 OF A22632525 41773899081298 FRIEDMAN LETTER TO HAGELIN THANKING HIM FOR GIFT OF THREE RUSSIAN BOOKS; COMMENT ON HENRION 12/3/1962 2 47111 ACC47111 4 OF A22632575 41773939081302 LETTER TO THE FRIEDMAN'S FROM NEWNHAM COLLEGE, CAMBRIDGE 1/10/1963 12 47111 ACC47111 4 OF A22632595 41773979081306 HAGELIN LETTER TO FRIEDMAN COMMENTING ON WEATHER, POSSIBLE TRIP TO EUROPE, AND PLANS FOR THE SUMMER 3/9/1963 1 47111 ACC47111 4 OF A22632605 41774009081308 FRIEDMAN NOTES OF SUBJECTS TO DISCUSS WITH BORIS HAGELIN 1/1/1963 2 47111 ACC47111 4 OF A22632615 41774209081329 HAGELIN NOTE TO ELIZEBETH AND BILL REGARDING THEIR UPCOMING TRIP TO SWITZERLAND 4/24/1963 1 47111 ACC47111 4 OF A22632625 41774219081330 HAGELIN NOTE TO FRIEDMAN CONCERNING TALK WITH DR. LANDIS 5/4/1963 1 47111 ACC47111 4 OF A22632635 41774239081332 HAGELIN NOTE TO FRIEDMAN REGARDING HIS TALK WITH DR. LANDIS AND THE LAB TESTS 5/27/1963 1 47111 ACC47111 4 OF A22632655 41774269081334 HAGELIN LETTER TO ELIZEBETH AND BILL COMMENTING ON HIS RECENT TRIP TO LONDON 6/2/1963 1 47111 ACC47111 4 OF A22632685 41774279081335 FRIEDMAN LETTER TO ANNIE AND BORIS HAGELIN; LENGTHY PERSONAL COMMENTS ON HEALTH AND CURRENT STATE OF AFFAIRS 6/1/1963 4 47111 ACC47111 4 OF A22632715 41774299081337 HAGELIN LETTER TO ELIZEBETH AND BILL FRIEDMAN; PERSONAL ACTIVITIES 6/6/1963 2 47111 ACC47111 4 OF A22632755 41774309081339 FRIEDMAN INQUIRY TO HAGELIN IF A BILL HAS BEEN RECEIVED; COMMENTS ON A BOOK 6/1/1963 1 47111 ACC47111 4 OF A22632775 41774329081341 HAGELIN LETTER TO FRIEDMAN COMMENTING ON DR. LANDIS AND BOOKS OF INTEREST 6/10/1963 1 47111 ACC47111 4 OF A22632785 41774359081344 HAGELIN LETTER TO FRIEDMAN; CRYPTO PAPERS 6/14/1963 2 47111 ACC47111 4 OF A22632805 41774379081345 HAGELIN LETTER TO FRIEDMAN COMMENTING ON HIS PHONE CALL AND ARRANGEMENTS FOR AN UPCOMING TRIP 6/17/1963 1 47111 ACC47111 4 OF A22632825 41774389081347 FRIEDMAN LETTER TO HAGELIN FROM MENTON, FRANCE; COMMENTS ON HEALTH AND APARTMENT 6/22/1963 2 47111 ACC47111 4 OF A22632835 41774419081349 HAGELIN LETTER TO ELIZEBETH AND BILL DISCUSSING UPCOMING TRAVEL 6/26/1963 2 47111 ACC47111 4 OF A22632855 41774429081351 FRIEDMAN LETTER TO HAGELIN COMMENTING ON TRAVEL TO SCANDINAVIA AND FUTURE PLANS 6/27/1963 1 47111 ACC47111 4 OF A22632865 41774439081352 HAGELIN LETTER TO FRIEDMAN; LOOKING FORWARD TO VISIT TO STOCKHOLM; WEATHER 7/1/1963 1 47111 ACC47111 4 OF A22632875 41774459081354 FRIEDMAN LETTER TO HAGELIN; TRAVEL PLANS; NICE TO COPENHAGEN 7/3/1963 1 47111 ACC47111 4 OF A22632885 41774479081356 LETTER TO HAGELIN FROM FRIEDMAN STAYING AT THE GRAND HOTEL ESPLANADE IN STOCKHOLM 8/14/1963 2 47111 ACC47111 4 OF A22632895 41774499081358 HAGELIN LETTER TO FRIEDMAN COMMENTING ON SWEDEN TRIP AND GIFTS RECEIVED 8/23/1963 2 47111 ACC47111 4 OF A22632905 41774519081360 HAGELIN NOTE TO FRIEDMAN CONCERNING HIS BELGIAN FRIEND; VAN DYCK'S MANUSCRIPT 8/23/1963 1 47111 ACC47111 4 OF A22632915 41774549081363 HAGELIN LETTER TO ELIZEBETH AND BILL FRIEDMAN; HAGELIN VACATION PICKING BERRIES AND MUSHROOMS 8/27/1963 2

UNCLASSIFIED 6 UNCLASSIFIED

47111 ACC47111 4 OF A22632925 41774569081365 HAGELIN LETTER TO FRIEDMAN DISCUSSING EXCHANGE OF BOOKS 9/7/1963 2 47111 ACC47111 4 OF A22632935 41774589081367 HAGELIN LETTER TO ELIZEBETH FRIEDMAN THANKING HER FOR THE PHOTOS AND THEIR UPCOMING TRAVEL PLANS 9/13/1963 2 47111 ACC47111 4 OF A22632945 41774599081368 HAGELIN LETTER TO ELIZEBETH AND BILL FRIEDMAN; RESPONSE TO PERSONAL QUERIES ON HAGELIN'S LIFE 9/23/1963 1 47111 ACC47111 4 OF A22632955 41774619081370 LETTER FROM ELIZEBETH FRIEDMAN TO ANNIE AND BORIS HAGELIN; FRIEDMAN HOSPITALIZATION AND HEALTH 11/13/1963 1 47111 ACC47111 4 OF A22632965 41774639081372 NOTE AND PHOTO FROM BORIS HAGELIN 12/15/1963 2 47111 ACC47111 4 OF A22632975 41774659081374 HAGELIN LETTER TO ELIZEBETH AND WILLIAM FRIEDMAN ON HEALTH AND FAMILY ISSUES 3/11/1964 2 47111 ACC47111 4 OF A22632985 41774889081397 LETTER TO ANNIE AND BORIS FROM ELIZEBETH FRIEDMAN REGARDING BILL'S DETERIORATING HEALTH; FAMILY NEWS 3/19/1964 2 47111 ACC47111 4 OF A22632995 41774909081399 HAGELIN LETTER TO ELIZEBETH AND BILL COMMENTING ON RECENT FAMILY ACTIVITIES 7/17/1964 2 47111 ACC47111 4 OF A22633005 41774919081400 ELIZEBETH FRIEDMAN LETTER TO BORIS HAGELIN CONCERNING THEIR PRESENT STATE OF AFFAIRS; BILL'S ILLNESS 7/24/1964 2 47111 ACC47111 4 OF A22633015 41774939081402 BORIS HAGELIN LETTER TO ELIZEBETH FRIEDMAN CONCERNING FAMILY ACTIVITIES 9/9/1964 3 47111 ACC47111 4 OF A22633035 41774969081405 HAGELIN LETTER TO ELIZEBETH ABOUT THEIR RECENT TRAVELS; BILL'S LIBRARY 10/3/1964 1 47111 ACC47111 4 OF A22633055 41774999081408 ELIZEBETH FRIEDMAN LETTER TO ANNIE AND BORIS; BILL FRIEDMAN'S DEPRESSION AND PHYSICAL AILMENTS 12/11/1964 3 47111 ACC47111 4 OF A22633065 41775019081410 HAGELIN LETTER TO ELIZEBETH FRIEDMAN; PLANNED TRIP TO US POSTPONED 12/29/1964 2 47111 ACC47111 4 OF A22633085 41775059081414 ELIZEBETH FRIEDMAN TO ANNIE AND BORIS HAGELIN; BILL GETTING SOMEWHAT BETTER; TRIP TO US 7/30/1965 1 47111 ACC47111 4 OF A22633095 41775079081416 ELIZEBETH FRIEDMAN LETTER TO ANNIE AND BORIS HAGELIN; WEATHER IN WASHINGTON; OFTEN THINKING OF ZUG 11/9/1965 2 47111 ACC47111 5 OF A22633115 41775089081417 ELIZEBETH FRIEDMAN LETTER TO HAGELIN; UPSTART KAHN CONTINUING TO PESTER THEM; BILL HAS COMPLICATIONS OF DIGESTIVE TRACT 2/29/1968 2 47111 ACC47111 5 OF A22633135 41775119081419 HAGELIN LETTER TO ELIZEBETH FRIEDMAN; LEAVING HOUSE FOR APARTMENT 3/19/1966 1 47111 ACC47111 5 OF A22633255 41775139081422 BORIS HAGELIN LETTER TO ELIZEBETH AND BILL PASSING FAMILY ACTIVITIES AND INFORMATION ON NEW APARTMENT 7/1/1966 2 47111 ACC47111 5 OF A22633265 41775149081423 FRIEDMAN LETTER TO HAGELIN ON HIS HEALTH AND FUTURE PLANS 8/10/1966 1 47111 ACC47111 5 OF A22633285 41775169081425 HAGELIN LETTER TO ELIZEBETH AND BILL REMARKING HOW NICE TO RECEIVE LETTER AFTER LONG ABSENCE; FAMILY UPDATE 8/21/1966 2 47111 ACC47111 5 OF A22633325 41775179081426 HAGELIN TO BILL FRIEDMAN; SORRY FOR FORGETTING 75TH BIRTHDAY; ANNIE'S AILMENTS 10/8/1966 2 47111 ACC47111 5 OF A22633355 41775219081430 HAGELIN LETTER TO ELIZEBETH AND BILL FRIEDMAN; ANNIE'S STINT IN THE HOSPITAL; NEW APARTMENT 10/26/1966 2 47111 ACC47111 5 OF A22633415 41775239081432 HAGELIN LETTER TO FRIEDMAN'S THANKING THEM FOR CONDOLENCES UPON DEATH OF HIS WIFE ANNIE 12/18/1966 4 47111 ACC47111 5 OF A22633455 41776499081558 HAGELIN LETTER TO ELIZEBETH AND BILL MENTIONING DIFFICULT TIME HE IS HAVING SINCE ANNIE'S DEATH 1/24/1967 2 47111 ACC47111 5 OF A22633475 41776549081563 ELIZEBETH LETTER TO BORIS HAGELIN; BILL'S HEALTH; FAMILY ACTIVITIES 2/21/1967 1 47111 ACC47111 5 OF A22633485 41776599081568 HAGELIN LETTER TO BILL FRIEDMAN CONCERNING OLD PHOTOS 2/23/1967 2 47111 ACC47111 5 OF A22633565 41776629081571 HAGELIN LETTER TO ELIZEBETH, SYMPATHIZING OVER BILL'S HEALTH; LOOKING FOR MATERIAL FOR 2/27/1967 2 47111 ACC47111 5 OF A22633575 41776709081579 ELIZEBETH LETTER TO BORIS HAGELIN COMMENTING ON MISLAYING HIS NOTE; FAMILY ACTIVITIES 3/10/1967 1 47111 ACC47111 5 OF A22633595 41776759081584 HAGELIN LETTER TO ELIZEBETH AND BILL; TRAVEL; PROSTATE PROBLEM 4/5/1967 2 47111 ACC47111 5 OF A22633685 41776799081589 FRIEDMAN LETTER TO HAGELIN; BILL CAN'T DRIVE ANYMORE; MEDICAL ISSUES 4/30/1967 5 47111 ACC47111 5 OF A22633705 41776839081592 HAGELIN LETTER TO BILL FRIEDMAN EXPRESSING HIS RELIEF THAT FRIEDMAN FEELS BETTER; FAMILY MATTERS 7/22/1967 2 47111 ACC47111 5 OF A22633755 41776969081606 FRIEDMAN LETTER TO HAGELIN; LEGAL PROBLEMS OF BO; DAVID KAHN'S BOOK 8/19/1967 8 47111 ACC47111 5 OF A22633815 41777029081611 HAGELIN LETTER TO FRIEDMAN DISCUSSING BOOKS AND VARIOUS PUBLICATIONS 8/20/1967 2 47111 ACC47111 5 OF A22633895 41777329081641 HAGELIN LETTER TO ELIZEBETH COMMENTING ON HER UPCOMING BIRTHDAY; THEIR HEALTH 8/22/1967 3 47111 ACC47111 5 OF A22633945 41777369081645 ELIZEBETH LETTER TO BORIS HAGELIN ; FAMILY MATTERS; ASKS HAGELIN TO COME TO U.S 9/3/1967 2 47111 ACC47111 5 OF A22633975 41777419081650 FRIEDMAN LETTER TO BORIS HAGELIN DISCUSSING THE FARAGO BOOK 9/5/1967 3 47111 ACC47111 5 OF A22634055 41777499081658 HAGELIN LETTER TO ELIZEBETH AND BILL COMMENTING ON BILL'S ANNIVERSARY; KAHN PUMPING HAGELIN FOR INFORMATION; KAHN'S NEW BOOK 9/19/1967 2 47111 ACC47111 5 OF A22634095 41777539081661 HAGELIN LETTER TO ELIZEBETH AND BILL; IN GOOD HEALTH; PLANNING TO MOVE TO SMALLER APARTMENT IN ZUG 12/4/1967 2 47111 ACC47111 5 OF A22634135 41777569081665 HAGELIN LETTER TO ELIZEBETH AND BILL THANKING THEM FOR TELEGRAM AT CHRISTMAS TIME 12/30/1967 2 47111 ACC47111 5 OF A22634155 41777589081667 HAGELIN LETTER TO BILL FRIEDMAN INFORMING HIM THAT HE WILL BE COMING TO WASHINGTON ON 17 MARCH 3/10/1968 2 47111 ACC47111 5 OF A22634165 41777609081669 HAGELIN LETTER TO ELIZEBETH AND BILL; BILL HAS TROUBLE WITH HIS DIGESTIVE TRACT 3/12/1968 1 47111 ACC47111 5 OF A22634175 41777639081672 HAGELIN LETTER TO ELIZEBETH AND BILL THANKING THEM FOR THEIR HOSPITALITY DURING HIS STAY IN WASHINGTON 3/25/1968 1 47111 ACC47111 5 OF A22634185 41777659081674 HAGELIN LETTER TO ELIZEBETH AND BILL; PICTURES FOR THEM OF HIS VISIT 3/28/1968 1 47111 ACC47111 5 OF A22634205 41777699081677 ELIZEBETH FRIEDMAN LETTER TO HAGELIN COMMENTING ON BILL'S RECENT MEDICAL SITUATION; DAVID KAHN CONTINUES TO BE A NUISANCE 5/7/1968 1 47111 ACC47111 5 OF A22634215 41777719081680 HAGELIN LETTER TO ELIZEBETH AND BILL HOPING TO MEET IN WASHINGTON IN OCTOBER 5/14/1968 3 47111 ACC47111 5 OF A22634235 41777749081683 HAGELIN LETTER TO ELIZEBETH AND BILL WONDERING HOW THEY ARE DOING 2/9/1969 3 47111 ACC47111 5 OF A22634245 41777769081685 FRIEDMAN LETTER TO BORIS HAGELIN STATING THAT THEY ARE DOING REASONABLY WELL; MENTION OF BORIS HAGELIN BIOGRAPHY 3/2/1969 2 47111 ACC47111 5 OF A22634255 41777789081686 BORIS HAGELIN LETTER TO FRIEDMAN MENTIONING AN UPCOMING VOYAGE; BOOK INFORMATION 3/9/1969 3 47111 ACC47111 5 OF A22634265 41777809081689 LETTER FROM BILL FRIEDMAN TO BORIS HAGELIN DISCUSSING THE DRAFT OF HAGELIN'S BIOGRAPHY 4/19/1969 1 47111 ACC47111 5 OF A22634285 41777819081690 BORIS HAGELIN LETTER TO ELIZEBETH AND BILL COMMENTING ON HIS BIOGRAPHY; UPCOMING MOVE TO NEW APARTMENT; 4/24/1969 3

UNCLASSIFIED 7 UNCLASSIFIED

47111 ACC47111 5 OF A22634305 41777919081700 BILL FRIEDMAN LETTER TO HAGELIN DISCUSSING PACKAGE SENT; HEALTH; 5/9/1969 1 47111 ACC47111 5 OF A22634315 41777959081703 HAGELIN LETTER TO BILL FRIEDMAN DISCUSSING HIS REALLY FINDING A FINE WOMAN - ELSA - 5/21/1969 3 47111 ACC47111 5 OF A22634325 41777979081705 LETTER TO ELIZEBETH AND BILL FROM HAGELIN DISCUSSING HIS RECENT ACTIVITIES; MOTORBOATING 7/6/1969 3 47111 ACC47111 5 OF A22634335 41777999081708 BORIS HAGELIN, JR. LETTER TO WILLIAM FRIEDMAN WHICH INCLUDED CONSUMER REPORT ARTICLE ON AN INEXPENSIVE HOME COPYING MACHINE 7/31/1969 2 47111 ACC47111 5 OF A22634345 41777949081702 HAGELIN LETTER TO FRIEDMAN SENDING HIS BEST WISHES ON HIS IMPENDING BIRTHDAY; NEW APARTMENT 9/18/1969 3 49000 ACC49000 A2420556 41785269082428 UNITED STATES SENATE, REPORT OF PROCEEDINGS, HEARING HELD BEFORE SUBCOMMITTEE ON PATENTS, TRADEMARKS AND COPYRIGHTS, OF THE COMMITTEE ON THE JUDICIARY, 2/16/1956WASHINGTON, D. C 46 47270 FOLDER 120 A2435719 41773049081213 BACKGROUND OF POLICY IN REGARD TO MAKING SIGABA AVAILABLE TO THE BRITISH 9/22/1949 7 47270 FOLDER 120 A2435726 41773009081209 PROPOSED EXCHANGE BASIS WITH THE BRITISH 9/5/1940 3 47270 FOLDER 120 A2435729 41772449081153 EXCHANGE OF CRYPTOGRAPHIC INFORMATION WITH GREAT BRITAIN 10/4/1940 1 47270 FOLDER 120 A2435737 41771849081093 ESTABLISHMENT OF JOINT CRYPTOGRAPHIC SYSTEMS FOR THE UNITED STATES AND GREAT BRITAIN 4/17/1942 3 47270 FOLDER 120 A2435740 41773039081212 CONFERENCE ON JOINT U.S. AND BRITISH CRYPTOGRAPHIC SYSTEMS 5/22/1942 1 47270 FOLDER 120 A2435743 41772009081109 ESTABLISHMENT OF JOINT U.S. AND BRITISH ENCRYPTED COMMUNICATIONS 9/1/1942 2 47270 FOLDER 120 A2435745 41771879081096 POLICY IN REGARD TO MAKING ECM AVAILABLE TO THE BRITISH 9/16/1942 3 47270 FOLDER 120 A2435749 41771899081098 EXPOSURE OF SIGABA TO VIEWING BY BRITISH PERSONNEL 9/19/1949 1 47270 FOLDER 120 A2435758 41771939081102 BRITISH USE OF SIGABA 4/4/1944 2 47270 FOLDER 120 A2435764 41771869081095 STANDARDIZATION OF SECURITY PRACTICES 10/12/1944 1 47270 FOLDER 120 A2435771 41771919081100 HANDLING AND DISTRIBUTION OF MESSAGES CONCERNING COMBINED SUBJECTS 3/24/1944 2 47270 FOLDER 120 A2435773 41772059081114 CONVERSATION WITH BRITISH REPRESENTATIVE CONCERNING CRYPTOGRAPHIC DEVICES 1/15/1947 1 47270 FOLDER 120 A2435776 41772049081113 PRELIMINARY MEETING RE FORTHCOMING VISIT OF PAYMASTER-CAPTAIN WILSON 1/23/1947 3 47270 FOLDER 120 A2435798 41771799081088 MEETING WITH UK REPRESENTATIVES: U.S. AND BRITISH JOINT CRYPTOGRAPHIC SYSTEMS 1/28/1947 2 47270 FOLDER 120 A2435800 41771959081104 U.S. AND BRITISH DISCUSSIONS FOR A NEW COMBINED CIPHER MACHINE 2/19/1947 2 47270 FOLDER 120 A2435802 41772179081125 U.S. AND BRITISH DISCUSSIONS ON A NEW COMBINED CIPHER MACHINE 2/21/1947 2 47270 FOLDER 120 A2435917 41771999081108 U.S. AND BRITISH COMBINED CIPHER MACHINE MEETING 2/28/1947 3 47270 FOLDER 120 A2435919 41771979081106 U.S. COMMENTS ON PROPOSED BRITISH RM26/32 CIPHER MACHINE 2/28/1947 2 47270 FOLDER 120 A2435924 41772079081116 U.S. AND BRITISH COLLABORATION ON COMBINED CYPHER MACHINE DEVELOPMENT 3/4/1947 4 47270 FOLDER 120 A2435927 41772989081207 U.S. AND BRITISH COLLABORATION ON COMBINED CIPHER MACHINE DEVELOPMENT 4/24/1947 3 47270 FOLDER 120 A2435929 41772029081111 COLLABORATION BETWEEN BRITISH AND U.S. ON DEVELOPMENT OF A NEW COMBINED CIPHER MACHINE 3/13/1947 2 47270 FOLDER 120 A2435931 41772189081127 U.S. AND BRITISH COLLABORATION ON COMBINED CIPHER MACHINE DEVELOPMENT 6/24/1947 1 47270 FOLDER 120 A2435932 41772099081118 ANALYSIS AND DISCUSSIONS OF PRESENT AND FUTURE STATUS OF CCM 9/19/1947 2 47270 FOLDER 120 A2435934 41772219081130 ARMY/NAVY CONFERENCE ON CCM MODIFICATION 12/8/1947 6 47270 FOLDER 120 A2435939 41772139081122 CCM MODIFICATION 1/23/1948 4 47270 FOLDER 120 A2435941 41772199081128 COMMENTS ON ARMY PROPOSALS REGARDING THE CCM 1/30/1948 3 47270 FOLDER 120 A2435945 41772419081150 MINUTES OF ARMY/NAVY MEETING ON CCM MODIFICATION 3/12/1948 5 47270 FOLDER 120 A2435947 41772329081141 MODIFICATION OF COMBINED CIPHER MACHINE 3/19/1948 2 47270 FOLDER 120 A2435952 41772439081152 PRELIMINARY DISCUSSIONS GENERATING THE BRITISH REQUEST FOR (1) COMPLETE INTERCHANGE OF CRYPTOGRAPHIC DEVELOPMENT PROGRAMS OR (2) RELEASE TO THE BRITISH OF9/21/1949 THE PRINCIPLES OF THE 2SIGABA 47270 FOLDER 121 A2435986 41772349081143 REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINE (CCM) 6/19/1950 12 47270 FOLDER 121 A2436010 41772749081183 REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINE 8/29/1949 9 47270 FOLDER 121 A2436012 41772669081175 REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINE 8/15/1949 4 47270 FOLDER 121 A2436013 41772559081164 REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINE 8/29/1949 9 47270 FOLDER 121 A2436014 41772569081165 ISSUE OF 131-A-1 AND M-228 EQUIPMENT 8/1/1943 2 47270 FOLDER 121 A2436019 41772119081120 COMBINED COMMUNICATIONS MACHINES: PROPOSED DRAFT OF REPORT TO JCS - BASED ON ADMIRAL STONE'S PAPER 6/14/1950 5 47270 FOLDER 121 A2436022 41772269081135 JOINT COMMUNICATIONS-ELECTRONICS COMMITTEE SECURITY AND CRYPTOGRAPHIC PANEL REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINE 12/13/1949 8 47270 FOLDER 121 A2436032 41772389081146 REPORT BY THE JOINT COMMUNICATIONS-ELECTRONICS COMMITTEE TO THE JOINT CHIEFS OF STAFF ON REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINE 12/13/1949 4 47270 FOLDER 121 A2436046 41772759081184 REPORT BY THE ARMED FORCES SECURITY AGENCY COUNCIL TO THE JOINT CHIEFS OF STAFF ON REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINES (CCM) 6/14/1950 9 47270 FOLDER 121 A2436048 41772629081171 REPLACEMENT OF THE "COMBINED CIPHER MACHINE" (CCM) 12/12/1949 7 47270 FOLDER 121 A2436073 41772639081172 MEMORANDUM FOR DIRAFSA: BCM 11/28/1949 2 47270 FOLDER 121 A2436078 41772159081124 COMBINED BRITISH - U.S. CYPHER MACHINE 11/29/1949 3 47270 FOLDER 121 A2436084 41772969081205 QUESTIONS ABOUT THE BCM (CSP 3800A) WHICH THE BRITISH MAY ASK, AND ANSWERS THERETO 11/17/1949 2 47270 FOLDER 121 A2436088 41773029081211 QUESTIONS ABOUT THE BCM (CSP 3800) WHICH THE BRITISH MAY ASK, AND ANSWERS THERETO 11/14/1949 2 47270 FOLDER 121 A2436091 41772929081201 QUESTIONS IN CONNECTION WITH THE BCM (CSP 3800) REFERRED TO DIRECTOR AFSA FOR DECISION 11/14/1949 1

UNCLASSIFIED 8 UNCLASSIFIED

47270 FOLDER 121 A2436098 41772619081170 REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINE 9/30/1949 6 47270 FOLDER 121 A2436104 41772709081179 JOINT U.S. AND BRITISH CRYPTOGRAPHIC SYSTEMS 5/22/1942 1 47270 FOLDER 121 A2436113 41772869081195 EXCHANGE OF JAPANESE, ITALIAN, AND GERMAN CRYPTOGRAPHIC INFORMATION BETWEEN THE U.S. AND GREAT BRITAIN 10/4/1940 2 47270 FOLDER 121 A2436121 41772529081161 MEMO ROUTING SLIP: SIGABA 6/29/1951 1 47270 FOLDER 121 A2436126 41772769081185 REPLACEMENT OF THE CCM 11/14/1951 3 47270 FOLDER 121 A2436130 41772369081145 HANDWRITTEN NOTE REGARDING THE CCM 9/1/1949 1 47270 FOLDER 122 A2436186 41772729081181 U.S. AND BRITISH USE OF ECMS 12/5/1952 3 47270 FOLDER 122 A2436194 41772849081193 DISCUSSION WITH LT. COL. HENN-COLLINS, ROYAL SIGNALS, CONCERNING ECM/SIGBA PRINCIPLES 6/11/1952 1 47270 FOLDER 122 A2436197 41772609081169 UK FAMILIARITY WITH THE ECM PRINCIPLE 6/10/1952 1 47270 FOLDER 122 A2436206 41772599081168 RELEASE OF THE PRINCIPLES OF THE CSP 2900 TO THE U.K., CANADA, AUSTRALIA, AND NEW ZEALAND 1/1/1952 6 47270 FOLDER 122 A2436227 41772889081197 RELEASE OF CRYPTO-EQUIPMENTS TO GREAT BRITAIN AND NATO 7/14/1952 3 47270 FOLDER 122 A2436228 41772739081182 COMBINED CIPHER SYSTEM FOR SSOS 7/15/1952 2 47270 FOLDER 122 A2436229 41772659081174 RELEASE OF THE PRINCIPLES OF THE ECM TO THE U.K., CANADA, AUSTRALIA, AND NEW ZEALAND 11/7/1952 1 47270 FOLDER 122 A2436230 41772399081148 REPLACEMENT OF THE CCM 9/20/1949 8 47270 FOLDER 122 A2436239 41772649081173 UNITED STATES - UNITED KINGDOM SECURITY AGREEMENT 10/8/1948 8 47270 FOLDER 117 A2436243 42035009107382 REPORT OF VISIT TO CRYPTO A.G. (HAGELIN) BY WILLIAM F. FRIEDMAN 3/28/1955 23 47270 FOLDER 117 A2436257 41772469081155 USCIB 29.14/29 1/2/1955 1 47270 FOLDER 117 A2436259 41772899081198 REPORT OF VISIT TO CRYPTO A.G. (HAGELIN) BY WILLIAM F. FRIEDMAN 3/15/1955 32 47270 FOLDER 117 A2436262 41772799081188 GCHQ - NSA RELATIONS: VISIT OF GCHQ MATHEMATICIAN TO NSA 10/26/1954 4 47270 FOLDER 117 A2436265 41772719081180 COORDINATION FOR GCHQ VISITOR'S PROPOSED TRIP TO THE U.S 10/6/1954 1 47270 FOLDER 117 A2436269 41772699081178 PROPOSED REQUEST FOR GCHQ MATHEMATICIAN TO VISIT NSA 9/21/1954 2 47270 FOLDER 117 A2436272 41772839081192 GCHQ MATHEMATICIAN'S PROPOSED VISIT TO PRINCETON UNIVERSITY 9/21/1954 1 47270 FOLDER 117 A2436278 41772959081204 PROPOSAL FOR A GCHQ MATHEMATICIAN TO VISIT THE U.S 9/17/1954 1 47270 FOLDER 117 A2436281 41773019081210 PROPOSAL FOR A GCHQ MATHEMATICIAN TO VISIT THE U.S 9/9/1954 2 47270 FOLDER 117 A2436282 41772999081208 PROPOSAL FOR A GCHQ MATHEMATICIAN TO VISIT THE U.S 9/17/1954 1 47270 FOLDER 117 A2436283 41772909081199 PROPOSAL FOR A GCHQ MATHEMATICIAN TO VISIT THE U.S 9/17/1954 2 47270 FOLDER 117 A2436285 41772859081194 PROPOSED VISIT OF GCHQ MATHEMATICIAN TO THE U.S 10/1/1954 2 47270 FOLDER 117 A2436299 41772979081206 CONFERENCE PAPERS AND BOOKS FORWARDED 9/17/1954 1 47270 FOLDER 116 A2436312 41772819081190 HEBERN PRELIMINARY REPORT 4/25/1950 5 47270 FOLDER 116 A2436314 41772919081200 HEBERN INFRINGEMENT CLAIM 10/2/1950 4 47270 FOLDER 115 A2436316 41772939081202 PATENTS ON ELECTRO-MECHANICAL CIPHER MACHINES 1/31/1949 5 47270 FOLDER 120 A2437273 41772949081203 WIRING DIAGRAMS: SCRAMBLER UNIT 1/15/1951 3 47270 FOLDER 120 A2437279 41772809081189 POLICY ON SIGABA/ECM 9/21/1949 3 47270 FOLDER 121 A2437290 41772829081191 SIGABA/ECM: REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINE 9/12/1949 9 4402 ACC4402 A2458115 41785119082413 CORRECTIONS IN REPORT ON GERMAN MILITARY CIPHERS, FEBRUARY TO NOVEMBER, 1918 12/19/1918 1 4402 ACC4402 A2458116 41785129082414 CORRECTIONS IN REPORT ON GERMAN MILITARY CIPHERS, FEBRUARY TO NOVEMBER, 1918 12/17/1918 1 4402 ACC4402 A2458117 41785139082417 REPORT ON ENEMY CODES AND THE METHODS USED IN THEIR SOLUTION 2/5/1919 151 47270 FOLDER 120 A272413 41761769080090 STATE DEPARTMENT USE OF CIPHER MACHINE ELECTRICAL STEPPING 6/24/1952 1 47270 FOLDER 120 A272416 41766689080579 DIRECTIVE TO G-2 COVERING INTERCHANGE OF SECRET TECHNICAL INFORMATION WITH REPRESENTATIVES OF BRITISH GOVERNMENT 9/9/1940 1 47270 FOLDER 120 A272418 41761729080086 INTERCHANGE OF TECHNICAL CRYPTANALYTIC INFORMATION BETWEEN THE BRITISH AND AMERICAN ARMIES 7/9/1942 3 47270 FOLDER 120 A272422 41766709080581 ARMY-NAVY JOINT POLICY CONCERNING DISTRIBUTION AND DISCLOSURE OF CRYPTOGRAPHIC DESIGN OF THE ECM-M134C 6/26/1942 1 47270 FOLDER 120 A272428 41761669080080 EXTRACT FROM SUMMARY OF MESSAGES EXCHANGED ON LOSS OF CRYPTOGRAPHIC MATERIAL AT BHAMO, BURMA 11/16/1945 2 47270 FOLDER 120 A272444 41761709080084 ANALYSIS AND DISCUSSIONS OF PRESENT AND FUTURE STATUS OF CCM 10/22/1947 1 47270 FOLDER 120 A272446 41761689080081 ANALYSIS AND DISCUSSIONS OF PRESENT AND FUTURE STATUS OF CCM 11/13/1947 1 47270 FOLDER 120 A272447 41761659080079 ANALYSIS AND DISCUSSIONS OF PRESENT AND FUTURE STATUS OF CCM 11/22/1947 1 47270 FOLDER 121 A272454 41761699080083 REPLACEMENT OF PRESENT COMBINED CIPHER MACHINE (CCM) 6/22/1950 2 47270 FOLDER 121 A272456 41761749080088 REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINE 9/14/1949 1 47270 FOLDER 121 A272500 41761839080097 LISTING OF PAPERS RELATIVE TO CCM 8/16/1949 3 47270 FOLDER 122 A272521 41761779080091 ALTERATION OF SECRET STATUS OF PATENT APPLICATION SERIAL NO. - ARMED SERVICES PATENT ADVISORY BOARD (BLANK FORM) 1/1/1948 1 47270 FOLDER 119 A272545 41762639080177 PERSONAL FILE ON CONVERTER M-134 (T2) U.S. PAT SERIAL NO 682,096 (SISDE-7); RE: APPLICATION FOR PATENT OF WILLIAM F. FRIEDMAN 11/1/1941 2

UNCLASSIFIED 9 UNCLASSIFIED

47270 FOLDER 119 A272553 41761819080095 WILLIAM F. FRIEDMAN MEMO - "RECORD OF INVENTIONS" KEPT BY DON SEILER 6/29/1951 3 47270 FOLDER 119 A272562 41761789080092 WILLIAM F. FRIEDMAN PATENT APPLICATION 682096 - RESPONSIVE TO AMENDMENT OF MAY 28, 1948 7/25/1933 6 47270 FOLDER 119 A272573 41761809080094 RE INVENTION AND PATENT APPLICATION, SERIAL NO. 682,096 7/15/1947 1 47270 FOLDER 119 A272576 41761799080093 ACKNOWLEDGMENT OF SECRECY ORDER SERVED UPON PATENT APPLICATION SERIAL NO. 682,096 6/5/1947 1 47270 FOLDER 119 A272650 41761979080112 SECRECY ORDER AND PERMIT A FOR CRYPTOGRAPHIC SYSTEM, PATENT SERIAL NO. 682,096 5/20/1947 4 47270 FOLDER 119 A272680 41761899080102 REVOCATION OF POWER OF ATTORNEY AND POWER OF ATTORNEY - IN THE UNITED STATES PATENT OFFICE 4/21/1947 1 47270 FOLDER 119 A272684 41761949080108 APPLICATION OF WILLIAM F. FRIEDMAN, FOR CRYPTOGRAPHIC SYSTEM 6/5/1945 4 47270 FOLDER 119 A272688 41762109080124 REQUESTED INFORMATION (RE WILLIAM F. FRIEDMAN PATENT APPLICATION) 1/17/1945 2 47270 FOLDER 119 A272691 41762139080127 PATENT APPLICATION OF WILLIAM F. FRIEDMAN FOR CRYPTOGRAPHIC SYSTEM 1/9/1945 1 47270 FOLDER 119 A272710 41762179080130 RESPONSE TO WILLIAM F. FRIEDMAN PATENT APPLICATION CLAIM REJECTION 12/6/1944 3 47270 FOLDER 119 A272712 41762839080197 PATENT APPLICATION NO. 682,096 - WILLIAM F. FRIEDMAN - CRYPTOGRAPHIC SYSTEM 3/1/1942 1 47270 FOLDER 119 A272713 41762029080116 CONTINUANCE OF PATENT APPLICATION, SERIAL NO. 682,096 2/24/1942 1 47270 FOLDER 119 A272717 41762479080160 REQUEST FOR CONTINUANCE OF CRYPTOGRAPHIC SYSTEM PATENT APPLICATION, SERIAL NO. 682,096 2/14/1942 1 47270 FOLDER 119 A272719 41762209080134 RESPONSIVE TO AMENDMENT OF AUG. 29, 1941 1/31/1942 1 47270 FOLDER 119 A272724 41762229080136 AMENDMENT RE PATENT APPLICATION, SERIAL NO. 682,096 8/29/1941 2 47270 FOLDER 119 A272725 41761869080100 CONTINUANCE OF PATENT APPLICATION, SERIAL NO. 682,096 11/3/1938 1 47270 FOLDER 119 A272731 41761859080099 RESPONSIVE TO LETTER FILED SEPT. 10, 1938 RE PATENT APPLICATION 682,096 FOR CRYPTOGRAPHIC SYSTEM 7/25/1933 1 47270 FOLDER 119 A272736 41762539080167 REQUEST FOR RECONSIDERATION OF FINAL REJECTION OF METHOD CLAIMS 26 -34 RE PATENT APPLICATION NO. 682,096 9/10/1938 4 47270 FOLDER 119 A272738 41762259080139 ASSIGNMENT RE PATENT APPLICATION SERIAL NO. 682,096 9/17/1936 4 47270 FOLDER 119 A272741 41762079080121 PATENT APPLICATION, SER. NO. 682,096, FILED JULY 25, 1933 - IMPROVEMENT IN CRYPTOGRAPHIC SYSTEM 9/9/1936 1 47270 FOLDER 119 A272743 41762329080146 ASSIGNMENT OF PATENT - NOTE 9/10/1936 1 47270 FOLDER 119 A272744 41762609080173 CONVERTOR, TYPE M-134-T2 SCHEMATIC DIAGRAMS 1/2/1935 2 47270 FOLDER 119 A272779 41762299080143 APPEAL FROM THE PRINCIPAL EXAMINER TO THE BOARD OF APPEALS RE APPLICATION OF SERIAL NO. 682,096 CRYPTOGRAPHIC SYSTEM 4/14/1936 2 47270 FOLDER 119 A272783 41762389080152 RESPONSIVE TO AMENDMENT FILED JULY 24, 1935 RE PATENT APPLICATION, SERIAL NO. 682,096 CRYPTOGRAPHIC SYSTEM 10/19/1935 1 47270 FOLDER 119 A272785 41762439080158 RESPONSIVE TO PATENT OFFICE ACTION DATED JANUARY 30, 1935 RE PATENT APPLICATION, SERIAL NO. 682,096 CRYPTOGRAPHIC SYSTEM 7/24/1935 6 47270 FOLDER 119 A272794 41762459080159 KEYBOARD ACTUATING MECHANISM - M134T2 3/18/1935 2 47270 FOLDER 119 A272801 41762509080164 RESPONSIVE TO AMENDMENT FILED DEC. 5, 1934 RE PATENT APPLICATION SER. NO. 682,096 CRYPTOGRAPHIC SYSTEM 1/30/1935 2 47270 FOLDER 119 A272825 41762519080165 COPY OF BERARDINI V. TOCCI DECISION 12/3/1934 7 47270 FOLDER 119 A272831 41762359080150 RESPONSIVE TO PATENT OFFICE ACTION DATED JUNE 6, 1934 RE CRYPTOGRAPHIC SYSTEM PATENT APPLICATION SER. NO. 682,096 12/5/1934 11 47270 FOLDER 119 A272842 41762599080172 RESPONSIVE TO AMENDMENT FILED APRIL 3, 1934 RE CRYPTOGRAPHIC SYSTEM PATENT APPLICATION SER. NO. 682,096 7/25/1933 2 47270 FOLDER 119 A272847 41763209080234 RESPONSIVE TO PATENT OFFICE ACTION DATED OCTOBER 9, 1933 RE CRYPTOGRAPHIC SYSTEM PATENT APPLICATION SER. NO. 682,096 4/3/1934 8 47270 FOLDER 119 A272861 41762739080187 RE ACTION RESPONSIVE TO PATENT OFFICE ACTION DATED OCTOBER 9 3/23/1934 1 47270 FOLDER 119 A272877 41762419080155 GIST OF EXPARTE MCCULLEY .3820.G.3 (1929 C.D.) (COURT DECISION) 1/1/1934 1 47270 FOLDER 119 A272884 41762529080166 ALLEGED COMBINATION IN WHICH ONE ELEMENT IS NOVEL 1/1/1934 1 47270 FOLDER 119 A272888 41762619080175 CODE MESSAGE NOT AN "ART" 1/1/1934 1 47270 FOLDER 119 A272896 41762549080168 RE PATENT EXAMINER'S REPORT 2/27/1934 3 47270 FOLDER 119 A272903 41762569080169 PATENT EXAMINER 'REFERENCES MADE OF RECORD' 10/9/1933 3 47270 FOLDER 119 A272907 41762629080176 WILLIAM F. FRIEDMAN SCHEMATIC DRAWINGS 7/1/1933 2 47270 FOLDER 119 A272912 41762589080170 CRYPTOGRAPHIC SYSTEMS INVENTION - (RE PATENT APPLICATION) SER. NO. 682,096 - M-134-T2 7/1/1933 24 47270 FOLDER 119 A272917 41762679080182 I CLAIM - (RE CRYPTOGRAPHIC SYSTEM PATENT APPLICATION SER. NO. 682,096) 7/1/1933 24 47270 FOLDER 119 A272919 41762779080191 RE DRAFT OF SPECIFICATIONS AND DRAWINGS APPLYING TO THE CIPHER MACHINE CONSTRUCTION 5/16/1933 1 47270 FOLDER 119 A272929 41762769080189 SCHEMATIC DRAWINGS 7/1/1933 2 47270 FOLDER 119 A272932 41762669080179 NEW PATENT APPLICATION, CRYPTOGRAPHIC SYSTEM (IMPROVEMENT ON SERIAL NO. 588,344) 7/12/1933 1 47270 FOLDER 119 A272934 41762919080205 WILLIAM F. FRIEDMAN SCHEMATIC DRAWINGS 5/1/1932 2 47270 FOLDER 119 A272940 41762799080193 KEY TAPE TRANSMITTER DRAWING 4/23/1932 1 47270 FOLDER 119 A272971 41763489080262 MODIFICATION IN THE NAVY CIPHER MACHINE 4/23/1932 3 47270 FOLDER 118 A272976 41762829080195 INSTRUCTION BOOK FOR CONVERTER M-134-T2 AND ASSOCIATED ELECTRICAL TYPEWRITER 11/10/1936 31 47270 FOLDER 117 A272979 41762719080185 WILLIAM F. FRIEDMAN THANK YOU LETTER TO GCHQ 12/10/1954 1 47270 FOLDER 116 A272983 41762889080202 ELLIE L. HEBERN, ET AL VS. THE UNITED STATES IN THE COURT OF CLAIMS NO. 213-53 5/26/1953 1 47270 FOLDER 116 A272987 41763009080214 ACTION FOR COMPENSATION FROM THE UNITED STATES FOR INFRINGEMENT OF PATENT AND FOR OTHER RELIEF - U.S. COURT OF CLAIMS NO. 213-53 5/19/1953 5

UNCLASSIFIED 10 UNCLASSIFIED

47270 FOLDER 116 A272995 41762869080200 COPY OF CZESLAW RYMTOWTT-PRINCE, OF GENEVA, SWITZERLAND - TYPE-WRITING MACHINE - UNITED STATES PATENT OFFICE 1/1/1922 12 47270 FOLDER 116 A272998 41762969080210 'AS DISCUSSED' (RE HEBERN FILE) - NOTE 5/22/1950 2 47270 FOLDER 116 A273002 41762989080212 RE INFRINGEMENT CLAIM OF HEBERN CODE, INC., ET AL 5/3/1950 1 47270 FOLDER 116 A273007 41763139080227 SECURITAS CIPHER MACHINE 12/31/1949 2 47270 FOLDER 116 A273008 41763119080225 KOCH TRANSPOSITION-SUBSTITUTION CIPHER MACHINE 12/31/1949 4 47270 FOLDER 116 A273618 41762849080198 HEBERN ELECTRIC CODE MACHINE 12/31/1949 2 47270 FOLDER 116 A273619 41763219080235 HEBERN "MIDGET CODER" 12/31/1949 1 47270 FOLDER 116 A273620 41763309080244 HEBERN "SUPER CODE" MACHINES 12/31/1949 5 47270 FOLDER 116 A273626 41762939080207 INFRINGEMENT CLAIMS OF EDWARD H. HEBERN AND HEBERN CODE, INCORPORATED, ET AL, AS THEY RELATE TO CCM CODING DEVICE 12/6/1949 7 47270 FOLDER 116 A273635 41763159080229 AUSTRIAN PATENT 62,926 (GERMAN LANGUAGE) 12/1/1949 4 47270 FOLDER 116 A273646 41763239080238 TRANSLATION OF AUSTRIAN PATENT 62,927 (INCLUDES GERMAN LANGUAGE VERSION) 12/1/1949 72 47270 FOLDER 116 A273658 41763479080261 C11, AMERICAN PATENTS FOR "ENIGMA" CIPHERING MACHINES 12/1/1949 2 47270 FOLDER 116 A273661 41763439080257 HEBERN INFRINGEMENT CLAIM NOTES 12/1/1949 3 47270 FOLDER 116 A273670 41763459080259 BEYER PATENT DATES (U.S.1, 414, 496) NOTE 12/1/1949 1 47270 FOLDER 116 A273671 41763279080241 EARLY PHOTOS OF CIPHER MACHINES WITH GERMAN LANGUAGE CAPTIONS AND A.P. WIREPHOTO OF E.H. HEBERN 9/1/1947 4 47270 FOLDER 116 A273674 41763399080253 CRYPTOGRAMS - SUBMITTED TO BRIGMAN 9/1/1947 14 47270 FOLDER 116 A273681 41763409080254 ELEVEN MILLION CODES ARE MADE BY SINGLE ELECTRICAL MACHINE - (NEWSPAPER ARTICLES) 12/22/1922 3 47270 FOLDER 116 A273696 41763419080255 WILLIAM F. FRIEDMAN REQUEST FOR PATENT INFORMATION RE U.S. PATENT NO. 1502,376 TO DAMM 3/13/1936 2 47270 FOLDER 116 A273697 41763349080248 INFRINGEMENT CLAIM OF EDWARD H. HEBERN AND HEBERN CODE, INC 2/10/1948 1 47270 FOLDER 116 A273698 41766729080583 INFRINGEMENT CLAIM OF EDWARD H. HEBERN AND HEBERN CODE, INC 2/5/1948 1 47270 FOLDER 116 A273699 41763329080246 INFRINGEMENT CLAIM OF EDWARD H. HEBERN AND HEBERN CODE, INC 11/17/1947 6 47270 FOLDER 116 A273701 41763369080250 INFRINGEMENT CLAIM OF EDWARD H. HEBERN AND HEBERN CODE, INC 9/3/1947 5 47270 FOLDER 116 A273704 41766759080586 HISTORY OF INVENTION AND DEVELOPMENT OF THE MARK II ECM - OP-2--S-5 10/30/1943 31 47270 FOLDER 116 A273708 41763549080268 CODE DEVICE INVENTOR SUES FOR $50,000,000 (AP NEWS) 9/11/1947 4 47270 FOLDER 115 A273714 41763499080263 LIST OF PATENTS RELATING TO THE HEBERN CASE 1/31/1949 6 47270 FOLDER 115 A273720 41763519080265 NOTES ON PATENTS RELATING TO THE HEBERN CASE 1/31/1949 12 47270 FOLDER 115 A273725 41763599080273 NOTES ON PATENTS (RELATING TO THE HEBERN CASE) 1/31/1949 4 47270 FOLDER 115 A273728 41763189080232 NOTES ON PATENTS (RELATING TO THE HEBERN CASE) 1/31/1949 5 47270 FOLDER 115 A273732 41763529080266 NOTES ON PATENTS (RELATING TO THE HEBERN CASE) 1/31/1949 5 47270 FOLDER 114 A273765 41763509080264 STUDY OF A CIPHER MACHINE BEING CONSIDERED FOR USE IN THE NAVAL SERVICE 12/1/1924 2 47270 FOLDER 114 A273766 41763539080267 MEMORANDUM ON HEBERN ELECTRIC CODE MACHINE 1/29/1929 2 47270 FOLDER 114 A273768 41763569080270 RECORD OF INVENTIONS PHOTO NOTES KEPT BY NON SEILER 6/29/1951 3 47270 FOLDER 121 A273805 41763589080272 REPLACEMENT OF THE PRESENT COMBINED CIPHER MACHINE 8/16/1949 1 47270 FOLDER 121 A273807 41763579080271 AFSA PUBLICATIONS 10/31/1951 1 35865 ACC35865 A275215 41774699081379 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND BRIGADIER TILTMAN, U. K. REGARDING CONVERTER M-228 TELEPRINT CRYPTOGRAPHIC MACHINE 8/1/1944 2 35865 ACC35865 A275220 41774739081382 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND BRIGADIER TILTMAN REGARDING TRAVEL ITINERARY 9/19/1945 1 35865 ACC35865 A275221 41774749081383 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND BRIGADIER TILTMAN REGARDING TELEPRINT CONVERTER M-228 CRYPTOGRAPHIC MACHINE 3/10/1945 1 35865 ACC35865 A275246 41774789081387 CORRESPONDENCE BETWEEN BRIGADIER TILTMAN AND MR. FRIEDMAN 8/28/1944 4 35865 ACC35865 A275251 41774839081392 CORRESPONDENCE BETWEEN BRIGADIER TILTMAN AND MR. FRIEDMAN IN REPLY FOR AN EVALUATION OF A TRANSPOSITION DEVICE 6/26/1944 5 35865 ACC35865 A275256 41774869081395 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND COLONEL TILTMAN REGARDING AN EVALUATION OF A TRANSPOSITION DEVICE 7/26/1944 1 35865 ACC35865 A275277 41774979081406 MR. FRIEDMAN PROVIDED ANALYTICAL REPORT OF A TRANSPOSITION DEVICE 4/20/1944 2 35865 ACC35865 A275290 41775129081420 CORRESPONDENCE BETWEEN COLONEL TILTMAN AND MR. FRIEDMAN ON THE JAPANESE PROBLEM 7/25/1943 2 35865 ACC35865 A275303 41775189081427 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND COLONEL TILTMAN REGARDING THE JAPANESE MILITARY CODES, E REPORT, AND RECRUITING PROGRAM 8/18/1943 3 35865 ACC35865 A275313 41775269081435 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND COLONEL TILTMAN REGARDING A TDY 6/17/1943 2 35865 ACC35865 A275316 41775329081441 TECHNICAL CORRESPONDENCE BETWEEN MR. FRIEDMAN AND COLONEL TILTMAN 2/4/1943 3 35865 ACC35865 A275320 41775589081467 BRIGADIER TILTMAN REQUEST FOR COPIES OF SACCO MATERIALS 1/1/1943 1 35865 ACC35865 A275324 41776619081569 CORRESPONDENCE BETWEEN BRIGADIER TILTMAN AND MR. FRIEDMAN REQUESTING COPIES OF SACCO MATERIALS 1/1/1943 1 35865 ACC35865 A275328 41776669081575 CORRESPONDENCE BETWEEN COLONEL TILTMAN AND MR. FRIEDMAN REGARDING AN EVALUATION OF A STENCIL SUBTRACTOR DEVICE 8/29/1942 1 35865 ACC35865 A275335 41776739081583 CORRESPONDENCE BETWEEN COLONEL TILTMAN AND MR. FRIEDMAN ON THE JAPANESE MILITARY ATTACHE CIPHER INVESTIGATIONS, 5/29/1942 2 35865 ACC35865 A275340 41776859081594 CORRESPONDENCE BETWEEN BRIGADIER TILTMAN AND MR. FRIEDMAN ON THE JAPANESE MILITARY ATTACHE CIPHER INVESTIGATIONS, AND STATUS OF THE "Y" COMMITTEE 7/21/1942 2

UNCLASSIFIED 11 UNCLASSIFIED

35865 ACC35865 A275345 41776929081601 CORRESPONDENCE BETWEEN BRIGADIER TILTMAN AND MR. FRIEDMAN ON PERSONNEL INTRODUCTION FROM THE AIR MINISTRY 6/17/1942 1 35865 ACC35865 A275347 41776989081607 CORRESPONDENCE BETWEEN COLONEL TILTMAN AND MR. FRIEDMAN REGARDING TECHNICAL MATERIALS TO BE SENT 5/31/1942 1 35865 ACC35865 A275351 41777049081613 CORRESPONDENCE BETWEEN COLONEL TILTMAN AND MR. FRIEDMAN - TRANSLATION OF BAUDOIN'S BOOK 4/16/1942 1 35865 ACC35865 A275364 41777839081692 CORRESPONDENCE BETWEEN COLONEL TILTMAN AND MR. FRIEDMAN ON EXCHANGE OF TECHNICAL REFERENCES AND STATUS OF THE GEHEIMSCHREIBER 5/13/1942 2 35865 ACC35865 A275373 41777859081694 CORRESPONDENCE BETWEEN COLONEL TILTMAN AND MR. FRIEDMAN ON EXCHANGE OF TECHNICAL REFERENCES ON GERMAN, ITALIAN AND JAPANESE METEOROLOGICAL CODES 10/3/1942 2 35865 ACC35865 A275376 41779959081904 CORRESPONDENCE BETWEEN COLONEL TILTMAN AND MR. FRIEDMAN ON EXCHANGE OF INFORMATION 10/1/1942 4 35865 ACC35865 A275379 41778239081732 CORRESPONDENCE BETWEEN COLONEL TILTMAN AND MR. FRIEDMAN ON EXCHANGE OF TECHNICAL REFERENCES 11/1/1942 2 35865 ACC35865 A275384 41778859081794 CORRESPONDENCE TO MR. FRIEDMAN FROM DENNISTON 7/22/1942 1 35865 ACC35865 A275386 41779169081825 CORRESPONDENCE TO MR. FRIEDMAN FROM DENNISTON REGARDING THE FUJI CYPHERS 9/18/1941 1 35865 ACC35865 A275389 41779359081846 MISSION AND FUNCTION OF "Y" BOARD, "Y" COMMITTEE, CODE COMPILATION, I.S.C.S.C. AND WAR OFFICE CODE COMPILATION FROM MR. FRIEDMAN'S FILES 1/1/1942 1 35864 ACC35864 A275391 41780109081919 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND SIR EDWARD TRAVIS, DIRECTOR, GCHQ 12/7/1949 1 35864 ACC35864 A275394 41780149081922 CORRESPONDENCE BETWEEN BRIGADIER GENERAL CORDERMAN AND COMMANDER TRAVIS OF MR. FRIEDMAN'S VISIT TO BLETCHLEY PARK 10/1/1945 1 35864 ACC35864 A275402 41780349081942 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND COMMANDER TRAVIS REGARDING VISIT TO GC & CS 9/19/1945 1 35864 ACC35864 A275405 41780389081946 GENERAL REMARKS ON 'Y' AT GC AND CS A REORGANIZATION OF MILITARY WING IN VIEW OF REVISED ESTABLISHMENT 9/6/1944 1 35864 ACC35864 A275410 41780429081950 CORRESPONDENCE BETWEEN MR. FRIEDMAN, COLONEL CORDERMAN, USA, AND COMMANDER TRAVIS, GC & CS REGARDING "CRYPTOGRAPHIC DICTIONARY" 8/17/1944 4 35864 ACC35864 A275412 41780449081952 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND COMMANDER TRAVIS, GCHQ 7/4/1944 2 35864 ACC35864 A275446 41780489081956 CORRESPONDENCE BETWEEN COMMANDER TRAVIS AND MR. FRIEDMAN 4/10/1944 1 35864 ACC35864 A275449 41780659081973 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND COMMANDER TRAVIS REGARDING JAPANESE MILITARY AND/OR NAVAL UNITS 2/6/1944 1 35864 ACC35864 A275454 41780699081977 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND COMMANDER TRAVIS 1/14/1944 2 35864 ACC35864 A275459 41780789081985 CORRESPONDENCE BETWEEN MR. FRIEDMAN, BRIGADIER CORDERMAN, COMMANDER TRAVIS AND CLARENCE BARASCH ABOUT JAPANESE NEW CODE BOOKS OR CIPHER INSTRUCTIONS1/6/1944 1 35864 ACC35864 A275480 41780849081991 CORRESPONDENCE BETWEEN MR. FRIEDMAN, COMMANDER TRAVIS, AND BRIGADIER CORDERMAN REGARDING TOUR AT BLETCHLEY PARK AND E OPERATIONS 8/20/1943 3 35864 ACC35864 A275484 41780919081997 CORRESPONDENCE BETWEEN MR. FRIEDMAN, COMMANDER TRAVIS, AND BRIGADIER CORDERMAN REGARDING TOUR AT BLETCHLEY PARK AND E OPERATIONS 9/2/1943 1 39301 ACC39301 A275497 41780959082001 CORRESPONDENCE BETWEEN MR. FRIEDMAN AND GENERAL O'CONNELL REGARDING RECLASSIFICATION OF ARTICLES FROM SIGNAL CORPS BULLETIN 12/17/1957 3 39301 ACC39301 A275504 41781029082008 REQUEST FOR INFORMATION (RECLASSIFICATION OF MR. FRIEDMAN ARTICLES) 1/16/1958 2 39301 ACC39301 A275510 41781129082018 REQUEST FOR INFORMATION (RECLASSIFICATION OF MR. FRIEDMAN ARTICLES) 4/10/1958 1 39301 ACC39301 A275512 41781569082062 REQUEST FOR INFORMATION (RECLASSIFICATION OF MR. FRIEDMAN ARTICLES) 3/21/1958 1 39301 ACC39301 A275522 41781609082066 REQUEST FOR XEROX BOOKS FROM MICROFILM: "GERMAN MILITARY CIPHERS ON THE EASTERN FRONT, 1917-1918" 4/1/1958 1 39301 ACC39301 A275525 41781709082076 XEROX TO PRODUCE BOOK FROM MICROFILM: "GERMAN MILITARY CIPHERS ON THE EASTERN FRONT, 1917-1918" 4/10/1958 1 39301 ACC39301 A275526 41781809082086 REQUEST FOR COPY OF: "GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER, 1918" 5/13/1958 1 39301 ACC39301 A275532 41781899082095 CLARIFICATION REQUESTED REGARDING RECLASSIFICATION OF BOOK, "GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER 1918" 5/16/1958 1 39301 ACC39301 A275534 41781989082104 IN REPLY TO CLARIFICATION REQUESTED REGARDING RECLASSIFICATION OF BOOK, "GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER 1918" 5/16/1958 1 39301 ACC39301 A275543 41782049082110 CLARIFICATION REQUESTED BY THE AMERICAN CRYPTOGRAM ASSOCIATION REGARDING RECLASSIFICATION OF BOOK, "GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER 1918"6/2/1958 2 39301 ACC39301 A275556 41782099082115 USE OF GOVERNMENT MATERIAL IN PROPOSED PUBLICATION (MR. FRIEDMAN'S FILES) 6/17/1958 1 39301 ACC39301 A275561 41782169082122 CLASSIFICATION OF "GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER 1918 6/26/1958 1 39301 ACC39301 A275568 41782229082128 RECLASSIFICATION OF SPECIFIC SIGNAL CORPS MATERIAL IN ACCORDANCE TO DOD DIRECTIVE 5200.1 DATED 8 JULY 1957 6/27/1958 2 39301 ACC39301 A275575 41782289082134 RECLASSIFICATION OF "GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER 1958" IN ACCORDANCE TO DOD DIRECTIVE 5200.1 DATED 8 JULY 1957 7/10/1958 1 39301 ACC39301 A275591 41782339082138 REQUEST FOR RECLASSIFICATION OF CRYPTOGRAPHIC ARTICLES BY MR. FRIEDMAN 7/11/1958 2 39301 ACC39301 A275597 41782399082145 COMMENTS FROM THE AMERICAN CRYPTOGRAM ASSOCIATION ON PUBLICATION OF "GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER 1918" 7/12/1958 1 39301 ACC39301 A275601 41782449082149 CLASSIFICATION OF "GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER 1918" 7/14/1958 1 39301 ACC39301 A275612 41782529082158 CLARIFICATION OF RECLASSIFICATION OF "GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER 1918" 7/18/1958 3 39301 ACC39301 A275618 41782579082163 CLARIFICATION OF RECLASSIFICATION OF CERTAIN SIGNAL CORPS PUBLICATIONS 7/22/1958 1 39301 ACC39301 A275628 41782649082170 CLASSIFICATION OF "GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER 1918" 7/31/1958 2 39582 ACC39582 A275649 41782689082174 RECLASSIFICATION OF MR. FRIEDMAN'S LECTURE SCRIPT REVIEWED BY DIRNSA, LT. GENERAL SAMFORD 3/25/1960 2 39582 ACC39582 A275659 41782719082177 RECLASSIFICATION OF MR. FRIEDMAN'S LECTURE SCRIPT REVIEWED BY DIRNSA, LT. GENERAL SAMFORD (DRAFT) 3/25/1960 3 2083 ACC2083 A2794073 41784839082385 INVESTIGATION OF SECURITY VIOLATION 9/15/1952 4 2083 ACC2083 A2794077 41784899082392 FORWARDING OF CORRESPONDENCE 4/2/1952 1 2083 ACC2083 A2794080 41785009082403 NUMBERING OF BRUSA C/S 112 "10 THRU 19" 3/27/1952 1 2083 ACC2083 A2794083 41785149082415 PROCESSING AND DISTRIBUTION OF CYB MESSAGES 1/1/1952 1 2083 ACC2083 A2794091 41785379082439 DIRAFSA MESSAGE REFERENCES 12/11/1951 1 2083 ACC2083 A2794097 41785419082442 DEVELOPMENT OF SAFE CARRIER FOR CONVEYANCE OF COMINT MATERIALS BY AIR TRANSPORT 10/1/1951 7

UNCLASSIFIED 12 UNCLASSIFIED

2083 ACC2083 A2794110 41785459082446 CONVEYANCE OF COMINT MATERIAL BY AIR 9/21/1951 4 2083 ACC2083 A2794113 41785489082449 GOLDSBOROUGH SERPELL PATRICK, CAPTAIN USN 7/27/1951 1 2083 ACC2083 A2794117 41785569082457 REQUEST FOR "SPECIAL INTELLIGENCE" 7/27/1951 1 2083 ACC2083 A2794127 41785639082464 AFSA SAFE OR CABINET SECURITY RECORDS, 31 JANUARY - 3 FEBRUARY 1951 3/4/1951 11 2083 ACC2083 A2794131 41785679082469 OFFICER PERSONNEL AUTHORIZED TO SIGN FOR POUCH MATERIAL 6/4/1951 1 2083 ACC2083 A2794163 41785689082470 APPARENT SECURITY VIOLATION 5/14/1951 3 2083 ACC2083 A2794167 41785729082474 AUTHORIZATION FOR AFSA-123 TO ADMIT VISITORS TO NSS 3/27/1951 3 2083 ACC2083 A2794169 41785739082475 VISIT OF LT. COLONEL AND MAJOR R.G. GRANT 5/9/1951 1 2083 ACC2083 A2794171 41785759082477 BADGES FOR FORTHCOMING U.S.-UK CONFERENCE 4/25/1951 1 2083 ACC2083 A2794172 41785769082478 USCIB COORDINATOR HAS APPROVED THE APPOINTMENT OF LIAISON OFFICER 4/4/1951 1 2083 ACC2083 A2794173 41785779082479 REQUEST FOR THE ASSIGNMENT OF SECURITY WATCH PERSONNEL 3/28/1951 1 2083 ACC2083 A2794177 41785799082481 COMPARISON OF U.S. AND UK SECURITY RULES 1/4/1951 1 47587 ACC47587 A3079835 41785809082482 S.I. COURSE: VOL. I - EXPLANATORY TEXT AND SHORT EXERCISES 4/10/1942 41 47587 ACC47587 A3079879 41785849082486 S.I. COURSE SOLUTIONS: VOL.II, SECTION IV - POLY-ALPHABETIC CIPHERS 1/1/1942 54 47587 ACC47587 A3079884 41785859082487 COL. TILTMAN'S SI COURSE: PROBLEMS IN ADDITIVE CODE 1/1/1942 4 47587 ACC47587 A3079911 41785889082491 S.I. COURSE: VOLUME I AND VOLUME II: COL TILLMAN INDICES #3, #1, #2 1/1/1942 179 37442 ACC37442 A335504 41784919082394 REEMPLOYMENT OF A RETIRED CIVILIAN EMPLOYEE 5/25/1955 2 37442 ACC37442 A335508 41896409093532 STATEMENT OF PERSONAL HISTORY (DD FORM - 398) - WILLIAM F. FRIEDMAN 7/1/1955 5 37442 ACC37442 A335510 41784949082397 STATUS OF MR. WILLIAM F. FRIEDMAN 6/28/1955 9 37442 ACC37442 A335512 41784959082398 MEMORANDUM FOR THE RECORD, RE: LEAVE STATUS OF WILLIAM F. FRIEDMAN 6/1/1955 2 37442 ACC37442 A335516 41784969082399 RETIREMENT ANNUITY ENTITLEMENT OF WILLIAM F. FRIEDMAN 5/25/1955 2 37442 ACC37442 A335519 41784979082400 HANDWRITTEN NOTES ABOUT LEAVE AND PAY STATUS OF WILLIAM F. FRIEDMAN 6/11/1955 7 37442 ACC37442 A335521 41784989082401 NEWSPAPER ARTICLE ABOUT THE RETIREMENT OF WILLIAM F. FRIEDMAN 10/12/1955 1 37442 ACC37442 A335524 41784999082402 PROGRAM HONORING WILLIAM F. FRIEDMAN 10/12/1955 2 37442 ACC37442 A335530 41785019082404 WASHINGTON DAILY NEWS - NEWSPAPER CLIPPING ABOUT THE RETIREMENT OF WILLIAM F. FRIEDMAN 10/13/1955 1 37442 ACC37442 A335534 41785029082405 COMPENSATION FOR MR. WILLIAM F. FRIEDMAN AS A MEMBER OF NSASAB 12/2/1955 2 37442 ACC37442 A335537 41785049082407 OFFICE OF THE SECRETARY OF THE ARMY REQUEST FOR INFORMATION ABOUT MR. WILLIAM F. FRIEDMAN 5/8/1956 1 37442 ACC37442 A335542 41785059082408 U.S. NEWS AND WORLD REPORT ARTICLE ABOUT WILLIAM F. FRIEDMAN 5/11/1956 1 37442 ACC37442 A335545 41785089082410 DISCUSSIONS WITH THE CIVIL SERVICE COMMISSION REGARDING WILLIAM F. FRIEDMAN 7/5/1957 2 37442 ACC37442 A335549 41785099082411 PRESENTATION WRITE-UP FOR THE NATIONAL SECURITY MEDAL 1/1/1955 2 17260 ACC17260 A362458 41767379080648 UNITED STATES PATENT OFFICE - PATENT NO. 2,552,548 -- FACSIMILE ENCIPHERING SYSTEM; APPLICATION SERIAL NO. 478,193 5/15/1951 4 17260 ACC17260 A362460 41767409080651 U.S. PATENT OFFICE NOTICE OF ALLOWANCE 2/15/1951 1 17260 ACC17260 A362462 41767429080653 NOTIFICATION REGARDING POWER OF ATTORNEY FOR PATENT APPLICANT 1/12/1949 2 17260 ACC17260 A362463 41767439080654 NOTIFICATION REGARDING POWER OF ATTORNEY FOR PATENT APPLICANT 7/16/1947 2 17260 ACC17260 A362477 41767459080656 EXTENSION OF PATENT APPLICATION, SERIAL NO. 478,193 8/14/1946 1 17260 ACC17260 A362480 41767499080660 PATENT APPLICATION, SERIAL NO. 478,193, UNDER PROVISIONS OF U.S. CODE, TITLE 35, SECTION 37 2/29/1944 1 17260 ACC17260 A362486 41767519080662 POWER OF ATTORNEY - PATENT APPLICATION OF WILLIAM F. FRIEDMAN, SERIAL NO. 478,193 3/6/1943 1 17260 ACC17260 A362526 41767539080664 PATENT APPLICATION, WILLIAM F. FRIEDMAN SERIAL NO. 478,193 6/23/1948 1 17260 ACC17260 A362530 41767549080665 APPLICATION FOR PATENT OF WILLIAM F. FRIEDMAN, SER. NO. 478,193, FILED 6 MAR 43, FOR SYS. FOR ENCIPHERING FAX, AND APPLICATION FOR PATENT OF WILLIAM F. FRIEDMAN10/16/1947 AND JOSEPH O. MAUBORGNE,1 SER. NO. 478,868, FILED 12 MAR 43, FOR SYS FOR ENCIPHERING FAX 17260 ACC17260 A362534 41767569080667 APPLICATIONS OF WILLIAM F. FRIEDMAN, S.N. 478,868 AND 478,193 9/8/1947 1 17260 ACC17260 A362536 41767589080669 SERIAL NO.478,193 - 478,868 - 551,172 PATENT APPLICATIONS OF WM. F. FRIEDMAN 2/11/1947 1 17260 ACC17260 A362541 41767609080671 PATENT APPLICATION OF WILLIAM F. FRIEDMAN, SN 478,193 10/11/1946 2 17260 ACC17260 A362546 41767619080672 U.S. PATENT OFFICE ACTION 3/6/1944 1 17260 ACC17260 A362558 41767649080675 REQUEST REGARDING PATENT APPLICATION OF WILLIAM F. FRIEDMAN, SN 478,193 1/22/1944 1 17260 ACC17260 A362563 41767669080677 U.S. PATENT OFFICE ACTIONS REGARDING U.S. PATENT APPLICATIONS FRIEDMAN AND MAUBORGNE S.N. 478,868 AND FRIEDMAN S.N. 478,193 10/18/1943 1 17260 ACC17260 A362620 41767689080679 CERTIFICATES OF THE SECRETARY OF WAR PERTAINING TO PATENT APPLICATIONS 3/5/1943 1 17260 ACC17260 A362622 41767709080681 MEMORANDUM FOR THE UNDER SECRETARY OF WAR REGARDING CERTIFICATES 2/27/1943 1 17260 ACC17260 A362632 41767719080682 WILLIAM F. FRIEDMAN - INVENTION 2/1/1943 3 17260 ACC17260 A362644 41767729080683 PATENT APPLICATION ON FACSIMILE ENCIPHERMENT 6/6/1942 3 17260 ACC17260 A362659 41767739080684 SIGNAL CORPS PATENT BOARD ACTION ON INVENTIONS OF FRIEDMAN AND MAUBORGNE 1/8/1937 1

UNCLASSIFIED 13 UNCLASSIFIED

17260 ACC17260 A362660 41767749080685 FINAL ACTION OF SIGNAL CORPS PATENT BOARD RELATIVE TO INVENTIONS OF FRIEDMAN AND MAUBORGNE 9/1/1936 1 17260 ACC17260 A362662 41767759080686 SCHEMES FOR ENCIPHERING FACSIMILE OR TELEPHONE MESSAGES 6/13/1936 1 17260 ACC17260 A362663 41767769080687 FACSIMILE ENCIPHERING SYSTEM; SERIAL NO. 478,193 5/15/1951 5 17260 ACC17260 A362664 41767779080688 NOTE RE MEDAL TO STAUFFER FROM FRIEDMAN 9/8/1950 2 17260 ACC17260 A362667 41767789080689 CANCELLATION OF CLAIM 14 IN APPLICATION FOR PATENT, SERIAL NUMBER 478,193 12/8/1950 1 17260 ACC17260 A362668 41767799080690 APPLICATION 478,193 12/20/1950 7 17260 ACC17260 A362669 41767809080691 U.S. PATENT EXAMINER'S REPLY TO PATENT APPLICATION 9/18/1950 2 17260 ACC17260 A362671 41767819080692 APPEAL NUMBER 21,161 TO U.S. PATENT OFFICE REGARDING PATENT APPLICATION SERIAL NUMBER 478,193 9/5/1950 7 17260 ACC17260 A362674 41767839080694 U.S. PATENT OFFICE EXAMINER'S STATEMENT REGARDING PATENT APPLICATION APPEAL NUMBER 21,161 10/11/1949 6 17260 ACC17260 A362675 41767849080695 U.S. PATENT OFFICE BOARD OF APPEALS HEARING REGARDING PATENT APPLICATION APPEAL NUMBER 21,161 10/31/1949 2 17260 ACC17260 A362677 41767859080696 PATENT APPLICANT APPEALS DECISION OF PRINCIPAL EXAMINER 7/28/1949 1 17260 ACC17260 A362680 41767869080697 AMENDMENT TO PATENT APPLICATION, SERIAL NUMBER 478,193 7/28/1949 3 17260 ACC17260 A362682 41767879080698 U.S. PATENT OFFICE RESPONSE TO AMENDMENT FILED REGARDING PATENT APPLICATION, SERIAL NUMBER 478,193 1/28/1949 1 17260 ACC17260 A362685 41767889080699 U.S. PATENT OFFICE RESPONSE TO AMENDMENT FILED REGARDING PATENT APPLICATION, SERIAL NUMBER 478,193 6/10/1948 2 17260 ACC17260 A362686 41767899080700 REVOCATION OF POWER OF ATTORNEY AND POWER OF ATTORNEY 12/31/1948 1 17260 ACC17260 A362691 41767909080701 BRIEF SUPPORTING GOVERNMENT COMPENSATION FOR INVENTORS WHO ARE GOVERNMENT EMPLOYEES 1/1/1948 3 17260 ACC17260 A362697 41767919080702 AMENDMENT FILED REGARDING PATENT APPLICATION, SERIAL NUMBER 478,193 12/9/1948 6 17260 ACC17260 A362730 41767929080703 AMENDMENT TO PATENT APPLICATION SERIAL NUMBER 478, 193 10/20/1947 3 17260 ACC17260 A362732 41767939080704 U.S. PATENT OFFICE RESPONSE TO AMENDMENT FILED IN CASE OF PATENT APPLICATION SERIAL NUMBER 478, 193 4/22/1947 1 17260 ACC17260 A362735 41767949080705 AMENDMENT TO PATENT APPLICATION SERIAL NUMBER 478, 193 10/14/1946 3 17260 ACC17260 A362740 41767959080706 U.S. PATENT OFFICE EXAMINER REJECTS CLAIMS 3/6/1943 1 17260 ACC17260 A362743 41767989080709 CERTIFICATE TO COMMISSIONER OF PATENTS REGARDING CRYPTOLOGIC INVENTION 3/3/1943 2 17260 ACC17260 A362752 41768019080711 ASSIGNMENT OF INVENTION BY WILLIAM F. FRIEDMAN 2/24/1943 1 17260 ACC17260 A362758 41768039080714 PETITION (PATENT APPLICATION) 1/1/1943 15 17261 ACC17261 A362761 41768099080720 UNITED STATES PATENT OFFICE - PATENT NO. 2,465,367 - SYSTEM FOR ENCIPHERING FACSIMILES; APPLICATION SERIAL NO. 478,868 3/29/1949 4 17261 ACC17261 A362772 41768109080721 PATENT APPLICATION, WILLIAM F. FRIEDMAN, ET AL, S.N. 478,868, FILED 12 MARCH 1943 FOR SYSTEM FOR ENCIPHERING FACSIMILES; CHIEF SIGNAL OFFICER DOCUMENT 3/31/1949 1 17261 ACC17261 A362774 41768129080723 PATENT APPLICANTS' NOTIFICATION REGARDING POWER OF ATTORNEY 1/6/1949 1 17261 ACC17261 A362776 41768149080725 PATENT APPLICATION, WILLIAM F. FRIEDMAN, ET AL, S.N. 478,868, FOR SYSTEM FOR ENCIPHERING FACSIMILES 1/5/1949 2 17261 ACC17261 A362802 41768169080728 SIGNATURE REQUEST ON FORM FOR "REVOCATION OF POWER OF ATTORNEY AND POWER OF ATTORNEY" 1/3/1949 3 17261 ACC17261 A362813 41768189080729 AMENDMENT TO PATENT APPLICATION SERIAL NUMBER 478,868 12/9/1948 3 17261 ACC17261 A362818 41768229080732 RESPONSE TO AMENDMENT FILED FOR PATENT APPLICATION SERIAL NO. 478,868 6/9/1948 1 17261 ACC17261 A362820 41768249080734 PATENT APPLICATION, WILLIAM F. FRIEDMAN, ET AL, SERIAL NO. 478,868 6/18/1948 1 17261 ACC17261 A362823 41768259080735 APPLICATION FOR PATENT OF W. F. FRIEDMAN, SER. NO. 478,193, FILED 6 MAR 43, FOR SYSTEM FOR ENCIPHERING FACSIMILE, AND APPLICATION FOR PATENT OF W. F. FRIEDMAN 10/16/1947AND JOSEPH O. MAUBORGNE,3 SER. NO. 478,868, FILED 12 MAR 43, FOR SYSTEM FOR ENCIPHERING FAX 17261 ACC17261 A362851 41768269080736 APPLICATIONS OF WILLIAM F. FRIEDMAN, S.N. 478,868 AND 478,193 9/8/1947 2 17261 ACC17261 A362858 41768279080737 SYSTEM FOR ENCIPHERING FACSIMILE, PATENT APPLICATION SERIAL NO. 478,868 3/12/1943 12 17261 ACC17261 A362864 41768299080738 PATENT APPLICATION OF FRIEDMAN AND MAUBORGNE, SN 478,868 10/11/1946 5 17261 ACC17261 A362872 41768319080741 U.S. PATENT OFFICE ACTIONS REGARDING PATENT APPLICATIONS SERIAL NOS. 478,868 AND 478,193 10/18/1943 2 17261 ACC17261 A362877 41768349080744 FRIEDMAN AND MAUBORGNE - INVENTION 2/2/1943 2 17261 ACC17261 A362894 41768369080746 PATENT APPLICATION ON FACSIMILE ENCIPHERMENT 6/6/1942 4 17261 ACC17261 A362900 41768499080759 FRIEDMAN SUGGESTS DELAYING TACTICS TO ASA OFFICIAL 10/13/1947 1 17261 ACC17261 A362923 41768529080761 PATENT APPLICATIONS 478,193 AND 478,868 AND RELATED CLAIMS; NOTE FROM NSA PATENT ATTORNEY TO W.H. FRIEDMAN 10/7/1947 2 17261 ACC17261 A362924 41768549080764 PATENT NUMBER 2,066,261 10/7/1947 1 17261 ACC17261 A362926 41768569080766 PETITION FOR PATENT SERIAL NO. 478,868 3/18/1943 1 17264 ACC17264 A362929 41768579080767 U.S. PATENT OFFICE FORM 8/11/1944 1 17264 ACC17264 A362931 41768659080775 W. F. FRIEDMAN FORWARDS SIGNED PAPERS TO ASA OFFICIAL; ROUTING SLIP ONLY 1/1/1944 1 17264 ACC17264 A362933 41768679080777 FRIEDMAN COMPLEMENTS WORK OF ASA OFFICIAL 7/25/1944 1 17264 ACC17264 A362937 41768769080786 ASA OFFICIAL COMMENTS ON SIGFOY CASE IN NOTE TO W.F. FRIEDMAN 7/22/1944 2 17264 ACC17264 A362942 41768799080789 ASA OFFICIAL CITES MINOR CHANGES TO DOCUMENT 2/29/1944 1 17264 ACC17264 A362945 41768849080794 W.F. FRIEDMAN COMMENTS ON AUTHENTICATION FUNCTION AND CRYPTO FUNCTION 2/23/1944 2 17264 ACC17264 A362951 41768879080797 ASA OFFICIAL COMMENTS ON THE SIGFOY 4/10/1944 2

UNCLASSIFIED 14 UNCLASSIFIED

17264 ACC17264 A362953 41768949080804 DEVELOPMENT BRANCH COMMENTS 2/23/1943 1 17264 ACC17264 A362956 41768979080807 U.S. PATENT OFFICE FINAL FEE RECEIPT; PATENT # 2877565, ELECTRICAL CRYPTOGRAPH 3/17/1959 1 17264 ACC17264 A362959 41769009080810 THE SIGFOY CASE 8/15/1957 1 17264 ACC17264 A362961 41769039080813 RECEIPT OF CONVERTER EQUIPMENT 8/11/1949 1 17264 ACC17264 A362968 41769079080817 U.S. PATENT OFFICE PATENT NUMBER 2,877,565 - ELECTRICAL CRYPTOGRAPH 3/17/1959 7 17264 ACC17264 A362973 41769099080818 U.S. PATENT OFFICE EXAMINER COMMUNICATION CONCERNING PATENT APPLICATION SERIAL NO. 549,086 FOR ELECTRICAL CRYPTOGRAPH 12/12/1958 1 17264 ACC17264 A363064 41769129080822 U.S. PATENT OFFICE NOTICE OF ALLOWANCE 12/19/1958 1 17264 ACC17264 A363073 41769159080825 PATENT APPLICATION SERIAL NUMBER 549,086 - ELECTRICAL SYSTEM 5/7/1958 2 17264 ACC17264 A363075 41769189080828 RESCINDING ORDER - PATENT APPLICATION SERIAL NUMBER 549,086 - ELECTRICAL SYSTEM 2/11/1958 2 17264 ACC17264 A363081 41769219080831 APPLICATION FOR PATENT SER. NO. 549086 9/30/1957 2 17264 ACC17264 A363089 41769249080834 APPLICATION FOR PATENT SER. NO. 549086 9/18/1957 1 17264 ACC17264 A363090 41769279080837 APPLICATION FOR PATENT SER. NO. 549086 7/30/1957 3 17264 ACC17264 A363095 41769299080839 THE SIGFOY CASE 8/15/1957 1 17264 ACC17264 A363097 41769319080841 PATENT APPLICATION SERIAL NO. 549,086 - WILLIAM F. FRIEDMAN - FILED 11 AUGUST 1944 11/20/1956 1 17264 ACC17264 A363100 41769339080843 U.S. PATENT OFFICE COMMUNICATION ON PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 12/20/1955 1 17264 ACC17264 A363104 41769359080845 U.S. PATENT OFFICE COMMUNICATION ON PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 2/6/1953 1 17264 ACC17264 A363106 41769379080847 U.S. PATENT OFFICE COMMUNICATION ON PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 5/26/1952 1 17264 ACC17264 A363107 41769399080849 JAG REQUEST REGARDING PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 5/13/1952 1 17264 ACC17264 A363109 41769409080850 U.S. PATENT OFFICE COMMUNICATION REGARDING PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 3/20/1952 1 17264 ACC17264 A363110 41769419080851 U.S. PATENT OFFICE COMMUNICATION CONCERNING PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 1/12/1948 1 17264 ACC17264 A363113 41769429080852 U.S. PATENT OFFICE COMMUNICATION ON PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 10/3/1947 1 17264 ACC17264 A363120 41769449080853 U.S. PATENT OFFICE ISSUANCE OF PERMIT A AND SECRECY ORDER - PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 5/16/1947 3 17264 ACC17264 A363122 41769459080854 POWER OF ATTORNEY IN CASE OF PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 5/8/1947 1 17264 ACC17264 A363127 41769469080855 U.S. PATENT OFFICE COMMUNICATION ON PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 12/5/1945 1 17264 ACC17264 A363130 41769479080856 PATENT APPLICATION SERIAL NO. 549,086 8/4/1947 2 17264 ACC17264 A363132 41769489080857 SECRETARY OF THE ARMY REQUEST REGARDING PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 12/16/1947 1 17264 ACC17264 A363144 41769499080858 WILLIAM F. FRIEDMAN CORRESPONDENCE WITH U.S. SECRETARY OF WAR ON PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 6/5/1947 1 17264 ACC17264 A363148 41769519080860 SECRECY ORDERS - PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 4/10/1947 1 17264 ACC17264 A363152 41769529080861 ACTING U.S. SECRETARY OF WAR COMMUNICATION ON PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 8/29/1945 1 17264 ACC17264 A363156 41769539080862 ARMY SERVICE FORCES REQUEST REGARDING HANDLING OF PATENT APPLICATION ON ELECTRICAL SYSTEM BY WILLIAM F. FRIEDMAN 8/11/1944 1 17264 ACC17264 A363158 41769549080863 FORMS OF MR. WILLIAM F. FRIEDMAN 8/8/1944 2 17264 ACC17264 A363161 41769559080864 ARMY SERVICE FORCES COMMUNICATION ON WILLIAM F. FRIEDMAN'S PATENT APPLICATION ENTITLED "ELECTRICAL SYSTEM" 2/17/1944 2 17264 ACC17264 A363166 41769569080865 SEMIANNUAL OR TRANSFER REPORT OF REGISTERED DOCUMENTS (OR DEVICES) - SIGFOY CASE 2/2/1944 2 17264 ACC17264 A363175 41769579080866 TRANSFER REPORT OF REGISTERED DEVICES - M325 (MODEL T-3) 12/9/1943 2 17264 ACC17264 A363181 41769589080867 RECEIPT OF MODEL, T-3, CONVERTER M-325, INVENTOR WILLIAM F. FRIEDMAN 1/1/1943 1 17264 ACC17264 A363188 41769599080868 AMENDMENT TO PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 11/6/1958 1 17264 ACC17264 A363192 41769609080869 U.S. PATENT OFFICE NOTICE OF ALLOWABILITY - PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 11/1/1956 1 17264 ACC17264 A363195 41769619080870 AMENDMENT TO PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 10/15/1956 2 17264 ACC17264 A363199 41769629080871 U.S. PATENT OFFICE COMMUNICATION ON CLAIMS OF PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 4/13/1956 5 17264 ACC17264 A363200 41769639080872 U.S. PATENT OFFICE COMMUNICATION ON AMENDMENT TO PATENT APPLICATION 2/15/1956 1 17264 ACC17264 A363201 41769649080873 DESCRIPTION OF "ELECTRICAL SYSTEM, " INVENTION OF WILLIAM F. FRIEDMAN 1/1/1944 20 17264 ACC17264 A363214 41769659080874 ELECTRICAL SYSTEM - INVENTOR: WILLIAM F. FRIEDMAN 8/1/1944 1 17264 ACC17264 A363245 41769669080875 AMENDMENT TO PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 2/23/1956 1 17264 ACC17264 A363248 41769679080876 AMENDMENT TO PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 5/5/1952 2 17264 ACC17264 A363251 41769699080878 U.S. PATENT OFFICE ON AMENDMENT FILED TO PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 2/5/1953 1 17264 ACC17264 A363254 41769719080880 AMENDMENT TO PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 2/3/1956 2 17264 ACC17264 A363256 41769739080882 U.S. PATENT OFFICE RESPONSE TO AMENDMENT TO PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 5/4/1949 2 17264 ACC17264 A363257 41769749080883 U.S. PATENT OFFICE COMMUNICATION ON PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 12/14/1944 4 17264 ACC17264 A363258 41769759080884 AMENDMENT TO PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 12/10/1947 5 17264 ACC17264 A363265 41769779080886 INFORMATION ON INVENTION BY WILLIAM F. FRIEDMAN - PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 1/1/1947 1

UNCLASSIFIED 15 UNCLASSIFIED

17264 ACC17264 A363272 41769799080888 AMENDMENT TO PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 5/1/1956 3 17264 ACC17264 A363282 41769819080890 AMENDMENT TO PATENT APPLICATION SERIAL NO. 549,086 - ELECTRICAL SYSTEM 10/15/1956 4 17264 ACC17264 A363287 41769839080892 DIAGRAMS OF INVENTION BY WILLIAM F. FRIEDMAN 1/1/1944 3 17264 ACC17264 A363292 41769859080894 DEPT. OF COMMERCE CLASSIFIED MATERIAL RECEIPT - PATENT OFFICE FINAL REJECTION OF PATENT APPLICATION SER. NO. 549,086 4/13/1956 1 17264 ACC17264 A363295 41769879080896 CHANGE OF ADDRESS FOR ASA ATTORNEY ON THE CASE INVOLVING PATENT APPLICATION SER. NO. 549,086 - ELECTRICAL SYSTEM 2/15/1954 1 17264 ACC17264 A363298 41769899080898 CORRECTIONS TO DRAWINGS IN PATENT APPLICATION SER. NO. 549,086 - ELECTRICAL SYSTEM 5/5/1952 4 17264 ACC17264 A363300 41769919080900 REVOCATION OF POWER OF ATTORNEY IN CASE OF PATENT APPLICATION SER. NO. 549,086 - ELECTRICAL SYSTEM 4/21/1947 1 17264 ACC17264 A363301 41769939080902 POWER OF ATTORNEY IN CASE OF PATENT APPLICATION SER. NO. 549,086 - ELECTRICAL SYSTEM 4/21/1947 1 17264 ACC17264 A363304 41769959080904 CERTIFICATE ISSUED BY WAR DEPARTMENT REGARDING INVENTION OF WILLIAM F. FRIEDMAN'S "ELECTRICAL SYSTEM" 8/9/1944 1 17264 ACC17264 A363326 41769979080906 PETITION IN THE CASE OF WILLIAM F. FRIEDMAN, INVENTOR OF ELECTRICAL SYSTEM 8/1/1944 2 17264 ACC17264 A363341 41769999080908 ASSIGNMENT IN THE CASE OF WILLIAM F. FRIEDMAN, INVENTOR OF ELECTRICAL SYSTEM 8/1/1944 1 17264 ACC17264 A363342 41770009080909 LICENSE IN THE CASE OF WILLIAM F. FRIEDMAN, INVENTOR OF ELECTRICAL SYSTEM 8/1/1944 1 17264 ACC17264 A363349 41770019080910 SECRETARY OF WAR COMMUNICATION ON INVENTION OF WILLIAM F. FRIEDMAN 1/1/1944 1 17264 ACC17264 A363367 41770029080911 DRAFT- DESCRIPTION OF WILLIAM F. FRIEDMAN'S INVENTION OF ELECTRIC CRYPTOGRAPHIC DEVICES 1/14/1944 40 17264 ACC17264 A363369 41770039080912 FRIEDMAN CLAIMS; HANDWRITTEN NOTE RE M.I.T 1/1/1944 2 17264 ACC17264 A363371 41770049080913 WILLIAM F. FRIEDMAN'S SKETCH OF DEVICE 1/1/1944 2 17264 ACC17264 A363373 41770059080914 FORM FOR PETITION FOR PATENT BY WILLIAM F. FRIEDMAN 1/1/1937 3 17264 ACC17264 A363377 41770079080916 FORM FOR PETITION FOR PATENT BY WILLIAM F. FRIEDMAN 12/1/1941 2 17264 ACC17264 A363395 41770099080918 WILLIAM F. FRIEDMAN'S APPLICATION FOR LETTERS PATENT - ELECTRIC CRYPTOGRAPHIC DEVICES 12/1/1941 1 17264 ACC17264 A363401 41770109080919 WIRING DIAGRAM AUTHENTICATOR - M325 CONVERTER; WILLIAM F. FRIEDMAN - INVENTOR 7/2/1942 3 17265 ACC17265 A363409 41770139080922 U.S. PATENT OFFICE NOTICE OF ALLOWANCE - PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 5/16/1950 1 17265 ACC17265 A363413 41770159080924 PETITION GRANTED - PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 9/27/1948 1 17265 ACC17265 A363420 41770169080925 PETITION TO REVIVE - PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 9/22/1948 1 17265 ACC17265 A363422 41770179080926 EXTENSION GRANTED - PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 12/4/1947 1 17265 ACC17265 A363425 41770199080928 POWER OF ATTORNEY IN CASE OF PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 9/26/1947 1 17265 ACC17265 A363427 41770209080929 POWER OF ATTORNEY REVOKED IN CASE OF PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 9/26/1947 1 17265 ACC17265 A363432 41770229080931 POWER OF ATTORNEY ACCEPTED IN CASE OF PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 7/25/1947 1 17265 ACC17265 A363435 41770239080932 POWER OF ATTORNEY REVOKED IN CASE OF PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 7/25/1947 1 17265 ACC17265 A363441 41770269080935 U.S. PATENT OFFICE COMMUNICATION ON PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 12/5/1945 1 17265 ACC17265 A363447 41770309080939 PHOTOGRAPHIC REQUISITION 8/18/1950 1 17265 ACC17265 A363452 41770319080940 APPLICATIONS FOR PATENT - SN 478,193 AND SN 478,868 6/5/1947 5 17265 ACC17265 A363453 41770329080941 FILE 334.7 - SIGNAL CORPS PATENT BOARD (1936 THRU DECEMBER 1940) 8/9/1950 1 17265 ACC17265 A363460 41770339080942 APPLICATIONS FOR PATENT SERIAL NUMBERS 551,172/478,193 8/10/1950 3 17265 ACC17265 A363462 41770349080943 PATENTS RESPECTING INVENTIONS OF WILLIAM F. FRIEDMAN 7/1/1944 1 17265 ACC17265 A363465 41770359080944 APPLICATIONS FOR PATENT SERIAL NUMBERS 551,172/478,193 7/25/1950 1 17265 ACC17265 A363467 41770369080945 APPLICATIONS FOR PATENT SN 478,193 AND SN 478,868 1/1/1950 1 17265 ACC17265 A363471 41770379080946 COMMENTS ON CRYPTOGRAPHIC INFORMATION 1/1/1947 1 17265 ACC17265 A363475 41770389080947 APPLICATIONS FOR PATENT SN 478,193 AND SN 478,868 5/6/1947 2 17265 ACC17265 A363482 41770399080948 RECOMMENDATIONS AND COMMENTS REGARDING APPLICATIONS FOR PATENT SN 478,193, SN 478,868 AND SN 551,172 5/23/1947 1 17265 ACC17265 A363484 41770409080949 RECOMMENDATIONS AND COMMENTS REGARDING APPLICATIONS FOR PATENT SN 478,193, SN 478,868 AND SN 551,172 5/19/1947 2 17265 ACC17265 A363486 41770419080950 SECRECY ORDER - SERIAL NUMBER 551,172 4/16/1947 1 17265 ACC17265 A363487 41770429080951 SECRECY ORDERS 4/10/1947 1 17265 ACC17265 A363499 41770439080952 PATENT APPLICATION -APPLICATIONS FOR PATENT SN 478,193 AND SN 478,868, AND SN 551,172 2/26/1947 2 17265 ACC17265 A363502 41770449080953 SERIAL NO. 478,193 - 478,868 - 551,172 PATENT APPLICATIONS OF WM. F. FRIEDMAN 2/11/1947 1 17265 ACC17265 A363527 41770459080954 WAR DEPARTMENT COMMUNICATION ON PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 8/4/1945 1 17265 ACC17265 A363528 41770469080955 PATENT APPLICATION OF WILLIAM F. FRIEDMAN, SERIAL NO. 551,172 7/27/1945 1 17265 ACC17265 A363532 41770479080956 WILLIAM F. FRIEDMAN, SN 551,172 ON AUTHENTICATING DEVICE 7/7/1945 1 17265 ACC17265 A363539 41770489080957 PATENT APPLICATION "AUTHENTICATING DEVICE" FILED AND ASSIGNED SERIAL NUMBER 551,172 8/29/1944 1 17265 ACC17265 A363541 41770499080958 AUTHENTICATING DEVICES OF WILLIAM F. FRIEDMAN 8/24/1944 3 17265 ACC17265 A363543 41770509080959 AUTHENTICATING DEVICE; PLANS TO FILE PATENT APPLICATION 8/21/1944 2

UNCLASSIFIED 16 UNCLASSIFIED

17265 ACC17265 A363544 41770519080960 AUTHENTICATING DEVICE; PROPOSED APPLICATION FOR PATENT - FRIEDMAN 7/24/1944 2 17265 ACC17265 A363547 41770529080961 AUTHENTICATING DEVICE; EVALUATION OF FRIEDMAN DEVICE 8/5/1944 1 17265 ACC17265 A363549 41770539080962 AUTHENTICATING DEVICES OF WILLIAM F. FRIEDMAN 6/21/1944 1 17265 ACC17265 A363552 41770549080963 PROCESSING OF INVENTIONS ORIGINATING AT SIGNAL SECURITY AGENCY 6/9/1944 1 17265 ACC17265 A363555 41770559080964 INVENTION OF AUTHENTICATING DEVICE FOR COMMERCIAL USAGE 6/8/1944 4 17265 ACC17265 A363558 41770569080965 U.S. PATENT OFFICE - PATENT NR. 2,518,458 - AUTHENTICATING DEVICE 8/15/1950 3 17265 ACC17265 A363561 41770579080966 DRAFT - DESCRIPTION OF AUTHENTICATING DEVICE - INVENTION OF WILLIAM FRIEDMAN 1/1/1944 5 17265 ACC17265 A363562 41770589080967 AMENDMENT TO PATENT APPLICATION FOR AUTHENTICATING DEVICE - SERIAL NUMBER 551,172 12/1/1950 1 17265 ACC17265 A363563 41770599080968 FEE RECEIVED FOR PATENT APPLICATION FOR AUTHENTICATING DEVICE - SERIAL NUMBER 551,172 9/1/1950 1 17265 ACC17265 A363565 41770609080969 U.S. PATENT NUMBER 2,518,458 8/18/1950 1 17265 ACC17265 A363567 41770619080970 U.S. PATENT OFFICE COMMUNICATION ON CLAIMS OF PATENT APPLICATION "AUTHENTICATING DEVICE" - SERIAL NUMBER 551,172 11/4/1949 2 17265 ACC17265 A363568 41770629080971 AMENDMENT TO PATENT APPLICATION "AUTHENTICATING DEVICE" - SERIAL NUMBER 551,172 10/28/1949 2 17265 ACC17265 A363573 41770639080972 U.S. PATENT OFFICE COMMUNICATION ON PATENT APPLICATION FOR "AUTHENTICATING DEVICE" - SERIAL NUMBER 551,172 5/11/1949 2 17265 ACC17265 A363574 41770649080973 AMENDMENT TO PATENT APPLICATION FOR "AUTHENTICATING DEVICE" - SERIAL NUMBER 551,172 9/1/1948 3 17265 ACC17265 A363576 41770659080974 PETITION TO REVIVE - PATENT APPLICATION FOR "AUTHENTICATING DEVICE" - SERIAL NUMBER 551,172 8/18/1948 5 17265 ACC17265 A363579 41770669080975 RECEIPT FOR PATENT APPLICATION FOR "AUTHENTICATING DEVICE" 8/25/1944 1 17265 ACC17265 A363583 41770679080976 REVOCATION OF POWER OF ATTORNEY AND POWER OF ATTORNEY FOR THE CASE OF PATENT APPLICATION 551,172 - AUTHENTICATING DEVICE 8/28/1947 1 17265 ACC17265 A363588 41770689080977 POWER OF ATTORNEY FOR THE CASE OF PATENT APPLICATION SER. NO. 551,172 - AUTHENTICATING DEVICE 1/1/1947 1 17265 ACC17265 A364194 41770699080978 CERTIFICATE - FOR INVENTION OF WILLIAM F. FRIEDMAN- AUTHENTICATING DEVICE 6/28/1944 1 17265 ACC17265 A364202 41770709080979 PETITION - BY WILLIAM F. FRIEDMAN FOR IMPROVEMENT OF AUTHENTICATING DEVICE 8/23/1944 2 17265 ACC17265 A364290 41770719080980 DRAFT NOTES ON WILLIAM F. FRIEDMAN'S INVENTION "AUTHENTICATING DEVICE" 7/28/1945 2 17265 ACC17265 A364316 41770729080981 LICENSE APPLICATION OF WILLIAM F. FRIEDMAN 8/23/1944 1 17265 ACC17265 A364540 41770739080982 ASSIGNMENT FOR INVENTION "AUTHENTICATING DEVICE" 8/23/1944 1 17265 ACC17265 A364549 41770749080983 PATENT RECORD 6/12/1944 9 17265 ACC17265 A367433 41770759080984 REJECTED CLAIMS - PATENT APPLICATION, SERIAL NO. 551,172, FOR AUTHENTICATING DEVICE 2/3/1945 3 17261 ACC17261 A369861 41770769080985 UNITED STATES PATENT OFFICE - PATENT NO. 2,465,367 - SYSTEM FOR ENCIPHERING FACSIMILES-1; APPLICATION SERIAL NO. 478,868 4/29/1949 1 47270 FOLDER 025 A38353 41699259073859 BRIEFING ON THE AUTHENTICITY OF THE ZIMMERMAN TELEGRAM EPISODE OF WWI; SCAMP VI LECTURE 7/3/1958 29 47270 FOLDER 025 A38356 41699419073876 1958 SCAMP LECTURE VI; BRIEFING NOTES FOR LECTURE VI, SECTION I 7/3/1958 67 47270 FOLDER 025 A38359 41699499073883 SCAMP VI LECTURE 7/3/1958 9 47270 FOLDER 025 A38363 41699609073894 SCAMP VI LECTURE, SECTION 1; TYPES AND USE OF CODES AND CIPHERS DURING WWII 7/3/1958 17 47270 FOLDER 025 A38365 41699689073902 SCAMP VI LECTURE, SECTION 2 7/3/1958 23 47270 FOLDER 024 A38378 42037759107657 SCAMP V LECTURE; HISTORY OF THE INVENTION AND DEVELOPMENT OF CIPHER DEVICES AND CIPHER MACHINES 1/1/1958 37 47270 FOLDER 023 A38382 41699799073912 SCAMP IV, LECTURE I, SECTION 2; 3 X 5 CARDS ABOUT THE SCAMP, LECTURE I, SECTION 2 1/1/1958 264 47270 FOLDER 023 A38392 41699839073916 SCAMP IV LECTURE I, SECTION I; SCAMP 1958--CRYPTOLOGIC HISTORY 1/1/1958 17 47270 FOLDER 023 A38396 41699869073919 SCAMP IV, LECTURE V; HISTORY OF THE INVENTION AND DEVELOPMENT OF CIPHER DEVICES AND MACHINES 1/1/1958 18 47270 FOLDER 023 A38400 41699909073923 SCAMP IV, LECTURE V, PART II; COMMUNICATION SECURITY AND ITS IMPORTANCE IN MODERN WARFARE 1/1/1958 18 47270 FOLDER 022 A38404 41699949073927 SCAMP IV, LECTURE IV, SECTION 1 AND 2; DISCUSSION OF THE ZIMMERMAN TELEGRAM 6/30/1958 64 47270 FOLDER 022 A38456 41699999073932 SCAMP IV DETAILED STORY ABOUT THE ZIMMERMANN TELEGRAM 1/1/1958 11 47270 FOLDER 022 A38457 41700039073936 LECTURE IV; HOW I CAME TO BE A CRYPTANALYST 1/1/1958 10 47270 FOLDER 022 A38470 41700069073939 SCAMP IV LECTURE 6/30/1958 39 47270 FOLDER 021 A38475 41700089073941 SCAMP III LECTURE, SECTION 1 AND 2; ZIMMERMAN TELEGRAM 6/27/1958 17 47270 FOLDER 021 A38495 41700119073944 SCAMP III, SECTION 2 6/25/1958 3 47270 FOLDER 021 A38500 41700139073947 LECTURE: SCAMP III; WORLD WAR I CODES AND CIPHERS 6/28/1958 24 47270 FOLDER 020 A38502 41700169073949 SCAMP II LECTURE, SECTION 1 6/25/1958 20 47270 FOLDER 020 A38503 41700189073952 SCAMP II LECTURE, SECTION 1 6/25/1958 35 47270 FOLDER 020 A38505 41700229073955 SCAMP II LECTURE I, SECTION 1 6/28/1958 8 47270 FOLDER 020 A38509 41700269073959 SCAMP I, LECTURE II, SECTION I 6/25/1958 8 47270 FOLDER 019 A38510 41700299073962 SCAMP SERIES 1958 6/25/1958 1 47270 FOLDER 019 A38511 41700339073966 SCAMP I, LECTURE I, SECTION 2; CRYPTOGRAPHY HISTORY FROM THE REVOLUTIONARY WAR 6/25/1958 5 47270 FOLDER 019 A38515 41700369073969 SCAMP I, LECTURE I, SECTION II; REVOLUTIONARY WAR PERIOD - SYSTEMS USED BY AMERICANS AND BY BRITISH 6/25/1958 5

UNCLASSIFIED 17 UNCLASSIFIED

47270 FOLDER 019 A38523 41700409073973 SCAMP I, LECTURE I, SECTION I; HISTORICAL BACKGROUND ON CRYPTOLOGY 6/25/1958 17 47270 FOLDER 019 A38526 41700449073977 LECTURE: SCAMP I 6/25/1958 9 47270 FOLDER 019 A38531 41700479073980 SCAMP LECTURE II, SECTION I; HISTORY OF CRYPTOGRAPHY (EGYPTIAN HIEROGLYPHS) 6/25/1958 5 47270 FOLDER 019 A38535 41700509073984 LECTURE: SCAMP I; SCAMP SERIES LECTURE. WWI CODES AND CIPHERS 6/25/1958 24 47270 FOLDER 016 A38712 41700569073989 MEMORANDA 1949 AND 1951; LETTER OF APPRECIATION FROM ARMED FORCES SECURITY AGENCY TO MR. WM. F. FRIEDMAN 4/24/1951 1 47270 FOLDER 016 A38716 41700609073993 MEMORANDUM 1949 AND 1951; LETTER OF APPRECIATION FROM AIR FORCE SECURITY SERVICE FOR THE COMMUNICATIONS SECURITY OFFICERS CONFERENCE, 12-16 MARCH 1951 4/9/1951 2 47270 FOLDER 016 A38721 41700659073998 MEMORANDA 1949 AND 1951; ROUTING SLIP FROM USAFSS REGARDING LETTER OF APPRECIATION DTD 9 APR 51 TO MR. WM. FRIEDMAN 4/13/1951 1 47270 FOLDER 016 A38725 41700709074003 MEMORANDA 1949 AND 1951; REQUEST FOR ASA HISTORICAL DOCUMENTS 11/23/1949 2 47270 FOLDER 017 A38729 41700729074005 NSA CONSULTANT; NSA NOTIFICATION OF PERSONNEL ACTION FOR MR. FRIEDMAN AS A RE-EMPLOYED FOR SERVICES WITH THE NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY 12/5/1955BOARD 1 47270 FOLDER 017 A38733 41700749074007 NSA CONSULTANT; RECEIPT OF LETTER FROM PROF. ANDREE WHO REQUESTED A COPY OF PHOTOGRAPHS OR PUBLICATIONS FROM THE AGENCY 7/31/1951 1 47270 FOLDER 017 A38739 41700759074008 NSA CONSULTANT; LETTER FROM PROF. ANDREE REQUESTING PUBLICATIONS AND PHOTOGRAPHS CONCERNING CRYPTOGRAPHY AND HAGELIN MACHINES 7/21/1951 1 47270 FOLDER 017 A38745 41700769074009 NSA CONSULTANT; LETTER FROM THE NSA SCIENTIFIC ADVISORY BOARD CONCERNING THE MATHEMATICS PANEL MEETING SCHEDULED 13-14 DECEMBER 1956 12/4/1956 1 47270 FOLDER 017 A38748 41700779074010 NSA CONSULTANT; ANNOUNCEMENT OF DATE FOR THE NSA SCIENTIFIC ADVISORY BOARD AFFAIRS ON 12 JAN 1955 12/22/1955 2 47270 FOLDER 017 A38754 41700789074011 NSA CONSULTANT; LETTER REPLY TO NSA SCIENTIFIC ADVISORY BOARD TO ATTEND THE TWO-DAY MEETING ON 13 AND 14 DECEMBER 1956 10/29/1956 1 47270 FOLDER 017 A38759 41700799074012 NSA CONSULTANT; LETTER AND AGENDA OF THE MATHEMATICS PANEL MEETING SCHEDULED ON 13-14 DECEMBER 1956 12/4/1956 3 47270 FOLDER 017 A38761 41700809074013 NSA CONSULTANT; LETTER FROM W. FRIEDMAN TO GENERAL CANINE STATING MR. FRIEDMAN ACCEPTED THE MEMBERSHIP INVITATION ON THE NSA SCIENTIFIC ADVISORY BOARD11/21/1955 1 47270 FOLDER 017 A38764 41700819074014 NSA CONSULTANT; LETTER FROM GENERAL CANINE INVITING MR. WM. FRIEDMAN TO ACCEPT MEMBERSHIP ON THE NSA SCIENTIFIC ADVISORY BOARD 11/17/1955 1 47270 FOLDER 017 A38768 41700829074015 NSA CONSULTANT; MEMBERS OF THE NSA SCIENTIFIC ADVISORY BOARD 4/1/1955 1 47270 FOLDER 017 A38772 41700839074016 MINUTES OF THE MEETING OF THE EXECUTIVE GROUP FOR NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY BOARD AFFAIRS HELD ON 5 DECEMBER 1959 12/5/1955 4 47270 FOLDER 018 A38876 41700849074017 SCAMP WORKING PAPERS - 1958; WORKING PAPERS NO. 11, 15, 20, AND 22 10/30/1958 79 47270 FOLDER 017 A38880 41700859074018 NSA CONSULTANT; LETTER REQUESTING MR. WM. FRIEDMAN ATTENDANCE TO REVIEW THE SCAMP PROGRAM ON 13 AND 14 DEC 56 10/23/1956 1 47270 FOLDER 139 A39150 41711969075127 PERSONAL NOTE - SPECIAL STUDY GROUP REPORT 12/18/1953 1 47270 FOLDER 139 A39164 41712029075133 SUMMARY OF QUESTIONABLE ITEMS IN THE ROBERTSON REPORT (COMINT EARLY WARNING) IN REGARD TO FEASIBLE RELEASING OF THE REPORT TO THE CANADIANS AND BRITISH 1/12/1954 13 47270 FOLDER 139 A39170 41712099075141 THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING - MODIFIED VERSION 3/26/1954 76 47270 FOLDER 139 A39172 41712139075147 THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING - THE ROBERTSON REPORT 3/26/1954 84 47270 FOLDER 138 A39176 41712209075151 THE POTENTIALITIES OF COMINT AS A SOURCE OF WARNING OF THE EMINENCE OF HOSTILITIES 8/28/1953 6 47270 FOLDER 137 A39181 41712259075156 INDICATING DEVICE - FRIEDMAN; SIGNAL CORPS PATENT BOARD 5/26/1936 10 47270 FOLDER 137 A39186 41712299075160 OBTAINING A PATENT FOR THE INDICATING DEVICE 4/21/1936 6 47270 FOLDER 135 A39210 41712329075163 USSR ATTACK PLANNING PLAN - ONE-PHASE IN THE METHODOLOGY FOR DETERMINING THE IMMINENCE OF AN AIR ATTACK ON THE UNITED STATES 10/23/1952 23 47270 FOLDER 135 A39223 41712359075167 PROJECT BLIND MAN - MANUAL FOR THE OPERATION OF THE ADC INDICATIONS BOARD 8/24/1953 27 47270 FOLDER 135 A39235 41712399075170 LATEST REVISION FOR PROJECT BLIND MAN 8/27/1952 4 47270 FOLDER 135 A39239 41712419075172 INDICATIONS OF IMMINENCE OF AIR ATTACK ON U.S. CURRENT REVISED LIST - 1 JULY 1952 DIRECT INDICATORS 8/19/1952 10 47270 FOLDER 135 A39241 41712429075173 INDICATIONS OF IMMINENCE OF AIR ATTACK ON U.S. CURRENT REVISED LIST - 1 JULY 1952 DIRECT INDICATORS 8/19/1952 7 47270 FOLDER 135 A39254 41768009080718 AIR DEFENSE COMMAND BRIEFING 4/1/1953 140 47270 FOLDER 135 A39259 41712489075179 HEADQUARTERS AIR DEFENSE COMMAND MEMORANDUM AND RELATED PAPERS PERTAINING TO AIR DEFENSE COMMAND PROPOSAL FOR IMPROVED WARNING; NEED FOR A WORLD-WIDE8/21/1953 INDICATION SYSTEM7 47270 FOLDER 135 A39262 41712539075186 MANUAL FOR OPERATION OF THE INDICATIONS BOARD - AIR DEFENSE COMMAND - PROJECT BLIND MAN 1/1/1953 13 47270 FOLDER 135 A39277 41712609075191 AIR DEFENSE COMMAND STAFF STUDY 8/25/1953 1 47270 FOLDER 134 A39283 41712659075196 NEWS PAPER ARTICLE BY JOSEPH AND STEWART ALSOP -"CENTRAL PROBLEM OF DEFENSE" 9/22/1954 1 47270 FOLDER 134 A39293 41712689075199 SYMPOSIUM ON CONTINENTAL DEFENSE-8TH ANNUAL AFCA CONVENTION REPORT; ARTICLE FROM SIGNAL, SEPT-OCT 1954 5/6/1954 11 47270 FOLDER 134 A39300 41712719075202 NEWS PAPER ARTICLE - THE MEGATONS DID IT 8/27/1954 1 47270 FOLDER 134 A39305 41712759075205 NEWSPAPER ARTICLE - THE GUIDED MISSILE RACE 8/18/1954 1 47270 FOLDER 134 A39308 41712779075208 NEWSPAPER ARTICLE - SOVIET JET ENGINE 8/16/1954 1 47270 FOLDER 134 A39323 41712859075216 MAGAZINE ARTICLE - WHERE NOW, WORLD? 3/29/1954 4 47270 FOLDER 134 A39324 41712899075220 NEWSPAPER ARTICLE - U.S. HAS EFFECTIVE DEFENSE FOR H-BOMB 3/26/1954 1 47270 FOLDER 134 A39325 41712969075227 NEWSPAPER ARTICLE - FLYING RADAR POST TO HELP GUARD D.C 3/26/1954 1 47270 FOLDER 134 A39326 41712989075229 NEWSPAPER ARTICLE - BRITISH VOICE ALARM OVER H-BOMB TESTS 3/26/1954 1 47270 FOLDER 134 A39327 41713009075231 NEWSPAPER ARTICLE - AUTOMATIC ARCTIC RADAR WILL GIVE U.S. SIX HOURS WARNING OF ATTACK 4/25/1954 1 47270 FOLDER 134 A39328 41713029075233 NEWSPAPER ARTICLE - MOSCOW HAS FAST OFFENSIVE BOMBERS 2/15/1954 1 47270 FOLDER 134 A39331 41713049075235 NEWSPAPER ARTICLE - RADFORD SAYS CHIEFS OF STAFF HAVE VETOED ANY RADICAL CHANGE IN MILITARY STRATEGY 12/3/1953 1 47270 FOLDER 134 A39333 41713069075237 NEWSPAPER ARTICLE - SENSE OF FEAR IN U.S. - DEFENSE AGAINST ATOM BOMB 11/6/1953 1

UNCLASSIFIED 18 UNCLASSIFIED

47270 FOLDER 134 A39334 41713099075240 NEWSPAPER ARTICLE - OPERATION CONFUSION 10/8/1953 1 47270 FOLDER 134 A39337 41713119075242 NEWSPAPER ARTICLE - DEFENSE OR ECONOMY: UP TO IKE 9/24/1953 1 47270 FOLDER 134 A39341 41713149075244 NEWSPAPER ARTICLE - EXPERTS WARN ON A-BLITZ CONSEQUENCES 9/12/1953 1 47270 FOLDER 134 A39345 41713169075247 NEWSPAPER ARTICLE - ARCTIC DEFENSE IS JOINT UNDERTAKING 9/12/1953 1 47270 FOLDER 134 A39361 41713199075250 NEWSPAPER ARTICLE - CANADA LOOKS TO NORTHERN AIR RING 9/11/1953 1 47270 FOLDER 134 A39364 41713219075252 NEWSPAPER ARTICLE - OPERATION CANDOR 9/9/1953 1 47270 FOLDER 134 A39366 41713229075253 NEWSPAPER ARTICLE - H-BOMBS KNOW NO COMPROMISE 9/6/1953 1 47270 FOLDER 134 A39368 41713239075254 NEWSPAPER ARTICLE - DEFENSE DEPT. CALLED BLIND TO NEW ARMS 9/3/1953 1 47270 FOLDER 134 A39371 41713269075257 NEWSPAPER ARTICLE - BRIDGES ASKS NEW CONCEPT OF DEFENSE FROM SOVIET BOMB 9/3/1953 1 47270 FOLDER 134 A39373 41713299075260 NEWSPAPER ARTICLE - ATOMIC AGE DEFENSE OR BALANCED BUDGET 9/1/1953 1 47270 FOLDER 134 A39374 41713339075263 NEWSPAPER ARTICLE - FACTS ON DEFENSE 8/25/1953 1 47270 FOLDER 134 A39375 41713369075267 NEWSPAPER ARTICLE - H-BOMB DEFENSE SPEEDED 8/28/1953 1 47270 FOLDER 134 A39378 41713419075272 NEWSPAPER ARTICLE - SOVIETS REPORT BLAST WHILE COUNSELING WEST NOT TO BECOME ALARMED 8/20/1953 1 47270 FOLDER 134 A39380 41713449075274 NEWSPAPER: SOVIET H-BOMB CLAIM CHANGES U.S. CIVIL DEFENSE POLICY 8/1/1953 1 47270 FOLDER 134 A39388 41713489075279 NEWSPAPER: MALENKOV'S CLAIM IS WARNING TO U.S 8/12/1953 1 47270 FOLDER 134 A39392 41713539075283 NEWSPAPER ARTICLE - MALENKOV'S H-BOMB 8/10/1953 1 47270 FOLDER 134 A39397 41713579075287 NEWSPAPER ARTICLE - PROTECTING INTELLIGENCE 8/7/1953 1 47270 FOLDER 134 A39403 41713619075291 NEWSPAPER: NEED OF MORE AIR STRENGTH STRESSED 8/1/1953 1 47270 FOLDER 134 A39407 41713669075296 NEWS PAPER ARTICLE - AIR VULNERABILITY SHIFTS GRIMLY 7/26/1953 1 47270 FOLDER 134 A39411 41713689075299 NEWSPAPER: SURPRISED AGAIN 6/23/1953 1 47270 FOLDER 134 A39414 41713739075304 NEWSPAPER ARTICLE - OPPENHEIMER'S ATOM 6/19/1953 1 47270 FOLDER 134 A39418 41713779075308 NEWSPAPER ARTICLE - ATOMIC WARNING 6/10/1953 1 47270 FOLDER 134 A39421 41713829075312 NEWSPAPER ARTICLE - THE TEST OF WILSON 5/29/1953 1 47270 FOLDER 134 A39431 41713869075317 NEWSPAPER ARTICLE - THE EXPLANATION OWED 5/22/1953 1 47270 FOLDER 134 A39433 41714689075399 NEWSPAPER ARTICLE - THAT ALL-WEATHER FIGHTER 5/15/1953 1 47270 FOLDER 134 A39441 41714759075405 NEWSPAPER ARTICLE - IMPORTANCE OF THE KELLY REPORT 5/13/1953 1 47270 FOLDER 134 A39479 41714789075409 NEWSPAPER ARTICLE - A NEED FOR BETTER INTELLIGENCE 5/12/1953 1 47270 FOLDER 134 A39480 41714839075414 NEWSPAPER ARTICLE - THE GREAT DEBATE 5/8/1953 1 47270 FOLDER 134 A39481 41714889075419 NEWSPAPER ARTICLE - SCIENTIST WARNS U.S. IT HAS ATOM GLASS JAW 5/3/1953 1 47270 FOLDER 134 A39482 41714929075423 NEWSPAPER ARTICLE - EUROPE NOT YET FULLY SECURE BUT NO PUSHOVER, DULLES SAYS 4/30/1953 1 47270 FOLDER 134 A39483 41714959075426 MAGAZINE ARTICLE - RUSSIAN PLANES ARE RAIDING CANADIAN SKIES 10/16/1953 8 47270 FOLDER 134 A39485 41714999075430 MAGAZINE ARTICLE - IS THIS OUR LAST CHANCE FOR PEACE 6/27/1953 6 47270 FOLDER 133 A39486 41715029075433 FRIEDMAN PATENT APPLICATION - IMPROVEMENT: MESSAGE AUTHENTICATING SYSTEM 2/24/1937 2 47270 FOLDER 133 A39489 41715069075437 FRIEDMAN PATENT APPLICATION, SER. NO. 28,500 MESSAGE AUTHENTICATING SYSTEM 3/2/1937 38 47270 FOLDER 133 A39491 41715119075442 GENERAL DESCRIPTION - THE FRIEDMAN AUTHENTOGRAPH 6/25/1935 9 47270 FOLDER 133 A39494 41715149075445 PATENTS ORIGINATED BY GOVERNMENT EMPLOYEES 5/2/1935 3 47270 FOLDER 133 A39498 41715179075448 PATENT APPLICATION - FRIEDMAN CIPHER DEVICE 4/19/1935 1 47270 FOLDER 132 A39507 41715219075452 BRIEF DESCRIPTION OF A CRYPTOGRAPHIC MACHINE EMPLOYING A SINGLE CIPHER COMMUTATOR - FRIEDMAN 1/1/1939 3 47270 FOLDER 132 A39508 41715249075454 APPLICATION FOR A PATENT FOR AN IMPROVEMENT CRYPTOGRAPHIC APPARATUS - FRIEDMAN 9/17/1938 1 47270 FOLDER 132 A39510 41715309075462 CRYPTOGRAPHIC APPARATUS PATENT APPLICATION - FRIEDMAN 9/13/1938 1 47270 FOLDER 132 A39512 41715339075464 PATENT APPLICATION - CRYPTOGRAPHIC APPARATUS - FRIEDMAN 5/25/1938 5 47270 FOLDER 132 A39514 41715379075468 CRYPTOGRAPHIC APPARATUS IMPROVEMENTS IN CONVERTER M-134-T1 PATENT APPLICATION, SER. NO. 157,383 - FRIEDMAN 12/10/1937 2 47270 FOLDER 132 A39517 41715409075471 FRIEDMAN PATENT APPLICATION - CRYPTOGRAPHIC APPARATUS 12/9/1937 2 47270 FOLDER 132 A39519 41715439075474 FRIEDMAN PATENT APPLICATION - CRYPTOGRAPHIC APPARATUS 8/7/1937 1 47270 FOLDER 132 A39527 41715469075477 RECORD OF MILITARY INVENTION: FRIEDMAN PATENT APPLICATION - CRYPTOGRAPHIC APPARATUS 8/15/1937 4 47270 FOLDER 132 A39528 41715489075479 FRIEDMAN PATENT APPLICATION - CRYPTOGRAPHIC APPARATUS 7/27/1937 1 47270 FOLDER 132 A39530 41715509075481 HANDWRITTEN DESCRIPTION OF FRIEDMAN CRYPTOGRAPHIC APPARATUS 4/28/1936 5 47270 FOLDER 132 A39534 41715529075483 DESCRIPTION OF FRIEDMAN CRYPTOGRAPHIC APPARATUS 4/15/1937 4 47270 FOLDER 132 A39537 41715549075485 PATENT APPLICATION OF FRIEDMAN CRYPTOGRAPHIC APPARATUS 10/23/1936 1 47270 FOLDER 132 A39539 41715569075487 FRIEDMAN CRYPTOGRAPHIC APPARATUS 1/1/1937 10

UNCLASSIFIED 19 UNCLASSIFIED

47270 FOLDER 132 A39541 41715589075489 FRIEDMAN CRYPTOGRAPHIC APPARATUS 1/1/1937 13 47270 FOLDER 132 A39546 41715599075490 PATENT APPLICATION FOR CONVERTER 134-7-1 - FRIEDMAN 6/16/1936 3 47270 FOLDER 132 A39550 41715619075492 PATENT BOARD MEETING - FRIEDMAN 5/29/1936 1 47270 FOLDER 132 A39554 41715639075494 MODIFICATIONS OF CONVERTER TYPE M-134-T-1 - FRIEDMAN 4/29/1936 2 47270 FOLDER 132 A39556 41715659075496 PATENT BOARD MEETING ON CONVERTER TYPE M-134-T-1 5/26/1936 2 47270 FOLDER 132 A39559 41715679075498 PRELIMINARY DESCRIPTION OF A SINGLE-COMMUTATOR CRYPTOGRAPH SUITABLE FOR WAR DEPARTMENT "RESTRICTED" OR "CONFIDENTIAL" COMMUNICATIONS - FRIEDMAN 4/6/1936 3 47270 FOLDER 132 A39563 41715699075500 WIRING DIAGRAM FOR SINGLE-COMMUTATOR CRYPTOGRAPH - FRIEDMAN 4/6/1936 4 47270 FOLDER 132 A39568 41793749083273 MODIFICATION IN CONVERTER TYPE M-134-T1 - FRIEDMAN; U.S. PATENT 2,028,772 OF JANUARY 28, 1936 3/12/1936 8 47270 FOLDER 132 A39590 41715729075503 SIGNAL CORPS PATENT BOARD MEETING ON CONVERTERS M-134-T1 AND M134-T-2 - FRIEDMAN 4/17/1936 2 47270 FOLDER 132 A39593 41715749075505 PATENT BOARD MEETING DECISION ON CONVERTER M-134-T1 - FRIEDMAN 4/23/1936 1 47270 FOLDER 132 A39595 41715759075506 ACTION ON PATENT APPLICATION ON CONVERTER M-134-T1 - FRIEDMAN 4/24/1936 1 47270 FOLDER 132 A39599 41715769075507 MODIFICATION IN CONVERTER TYPE M-134-T1 - FRIEDMAN; U.S. PATENT 2,028,772 4/9/1936 1 47270 FOLDER 132 A39600 41715789075509 MODIFICATION IN CONVERTER M-134-T1 - FRIEDMAN; U.S. PATENT 2,028,772 OF JANUARY 28, 1936 3/12/1936 4 47270 FOLDER 132 A39603 41715799075510 BRIEF DESCRIPTION OF A CRYPTOGRAPHIC MACHINE EMPLOYING A SINGLE COMMUTATOR - FRIEDMAN 4/28/1936 3 47270 FOLDER 132 A39609 41715819075512 DETAILED DESCRIPTION OF MODIFICATION NO. 2 IN CONVERTER TYPE M-134-T-1 - FRIEDMAN 4/21/1936 5 47270 FOLDER 132 A39610 41715829075513 1ST MODIFICATION IN CONVERTER TYPE M-134-T-1; FRIEDMAN NOTE 12/13/1938 1 47270 FOLDER 131 A39619 41715859075516 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN 3/25/1936 4 47270 FOLDER 131 A39622 41715869075518 RECORD OF INVENTIONS - CRYPTOGRAPHIC ROTORS 6/29/1951 3 47270 FOLDER 131 A39625 41715899075520 PATENT MODIFICATIONS FOR CRYPTOGRAPHS - FRIEDMAN 3/23/1936 3 47270 FOLDER 131 A39629 41715909075521 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN 10/4/1948 4 47270 FOLDER 131 A39633 41715929075523 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 5/19/1947 1 47270 FOLDER 131 A39638 41715939075524 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 6/6/1947 1 47270 FOLDER 131 A39641 41715959075526 SECRECY ORDER FOR PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 5/20/1947 4 47270 FOLDER 131 A39666 41715969075527 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 4/21/1947 1 47270 FOLDER 131 A39668 41715999075530 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 10/26/1945 1 47270 FOLDER 131 A39669 41716009075531 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 10/11/1945 1 47270 FOLDER 131 A39670 41716019075532 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 9/10/1945 8 47270 FOLDER 131 A39671 41716029075533 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN 10/4/1945 2 47270 FOLDER 131 A39672 41716039075534 COMMUNICATION FROM EXAMINER AS REGARDS PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 9/26/1942 1 47270 FOLDER 131 A39673 41716049075535 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 9/11/1945 4 47270 FOLDER 131 A39674 41716059075536 ROUTING AND WORK SHEET - PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 11/7/1942 1 47270 FOLDER 131 A39675 41716069075537 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 10/22/1942 1 47270 FOLDER 131 A39676 41717429075672 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 9/26/1942 2 47270 FOLDER 131 A39677 41716099075540 AMENDMENT TO PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 7/20/1942 7 47270 FOLDER 131 A39678 41716119075542 AMENDMENT TO PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 7/20/1942 5 47270 FOLDER 131 A39682 41716139075544 AMENDMENT TO PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 7/16/1942 3 47270 FOLDER 131 A39683 41716199075550 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 1/1/1939 1 47270 FOLDER 131 A39686 41716209075551 PATENT APPLICATION FOR IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 9/21/1939 1 47270 FOLDER 131 A39692 41716229075553 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN 7/27/1939 1 47270 FOLDER 131 A39701 41716249075555 DESCRIPTION OF CRYPTOGRAPHIC MACHINE - FRIEDMAN 1/1/1939 2 47270 FOLDER 131 A39703 41716269075557 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 5/3/1939 1 47270 FOLDER 131 A39705 41716289075559 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 4/12/1939 1 47270 FOLDER 131 A39707 41716309075561 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN 4/28/1939 2 47270 FOLDER 131 A39710 41716329075563 HAND WRITTEN NOTE ON CRYPTOGRAPHS - FRIEDMAN 1/1/1939 1 47270 FOLDER 131 A39712 41717559075685 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN 4/28/1939 4 47270 FOLDER 131 A39721 41716379075568 PATENT APPLICATION FOR IMPROVEMENT IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 9/29/1936 2 47270 FOLDER 131 A39726 41716399075570 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN 6/24/1936 3 47270 FOLDER 131 A39729 41716419075572 PATENT APPLICATION FOR IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 4/1/1936 1 47270 FOLDER 131 A39730 41716439075574 PATENT APPLICATION FOR IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 4/7/1936 1 47270 FOLDER 131 A39732 41716459075576 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 4/7/1936 1

UNCLASSIFIED 20 UNCLASSIFIED

47270 FOLDER 131 A39735 41716479075578 PATENT APPLICATION FOR IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 3/26/1936 1 47270 FOLDER 131 A39736 41716499075580 PATENT APPLICATION FOR CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 4/2/1936 1 47270 FOLDER 131 A39737 41716519075582 CONCURRENCE RE R&D MEMO 10/14/1935 1 47270 FOLDER 131 A39740 41716539075583 PATENT APPLICATION FOR IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 4/1/1936 1 47270 FOLDER 131 A39742 41716549075585 PATENT APPLICATION FOR IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 4/14/1936 2 47270 FOLDER 131 A39748 41717589075688 PATENT APPLICATION FOR IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 4/14/1936 4 47270 FOLDER 131 A39750 41717619075691 PATENT APPLICATION, SER. NO. 70,412, FILED MARCH 25, 1936, IMPROVEMENT IN CRYPTOGRAPHS 4/1/1936 2 47270 FOLDER 131 A39751 41716589075589 PATENT APPLICATION FOR IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 3/12/1936 27 47270 FOLDER 131 A39755 41716619075592 PATENT APPLICATION FOR IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN 7/27/1942 22 47270 FOLDER 131 A39757 41716639075594 PATENT APPLICATION FOR IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN 2/26/1936 10 47270 FOLDER 131 A39762 41716699075600 CONVERTER TYPE M-134-T2 - FRIEDMAN AND ROWLETT 2/15/1936 1 47270 FOLDER 131 A39767 41716729075603 CONVERTER TYPE M-134-T2 - FRIEDMAN AND ROWLETT 8/31/1935 2 47270 FOLDER 131 A39770 41716749075605 RECORD OF MILITARY INVENTION - IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 6/15/1935 2 47270 FOLDER 131 A39771 41717019075631 ROUTING AND WORK SHEET - IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN AND ROWLETT 10/15/1935 3 47270 FOLDER 131 A39774 41717049075634 SPECIFICATIONS AND SIX DRAWING - IMPROVEMENTS IN CRYPTOGRAPHS - FRIEDMAN 10/4/1935 26 47270 FOLDER 131 A39777 41717079075637 INVENTION OF MECHANICAL-ELECTRICAL CONTROL OF CIPHER WHEELS FOR SMALL CRYPTOGRAPH - FRIEDMAN 9/3/1935 3 47270 FOLDER 131 A39823 41717099075639 A MEANS OF PROVIDING AN IRREGULAR WHEEL MOVEMENT IN CIPHER MACHINES USING CIPHER WHEELS - ROWLETT 6/29/1935 4 47270 FOLDER 057 A39897 41699389073872 CONGRESSIONAL RECORD - SENATE - SAFEGUARDING MILITARY INFORMATION; VOL. 91, NO.68 4/9/1945 1 47270 FOLDER 057 A39898 41699429073875 CONGRESSIONAL RECORD - SENATE - SAFEGUARDING MILITARY INFORMATION 10/25/1945 5 47270 FOLDER 057 A39899 41699469073880 ARMY REGULATION NO. 380-5 - SAFEGUARDING MILITARY INFORMATION 6/10/1939 32 47270 FOLDER 057 A39900 41699539073887 EXCERPT FROM THE OFFICIAL SECRETS ACT, 1889; AN ACT TO PREVENT THE DISCLOSURE OF OFFICIAL DOCUMENTS AND INFORMATION; 1/1/1933 4 47270 FOLDER 057 A39901 41699569073890 AN ACT TO AMEND THE OFFICIAL SECRETS ACT, 1911 12/23/1920 12 47270 FOLDER 057 A39905 41699599073892 OFFICIAL SECRETS ACT, 1911; AN ACT TO RE-ENACT THE OFFICIAL SECRETS ACT, 1889 8/22/1911 9 47270 FOLDER 057 A39911 41699639073897 REPORT - TO ENHANCE FURTHER THE SECURITY OF THE UNITED STATES BY PREVENTING DISCLOSURES OF INFORMATION CONCERNING THE CRYPTOGRAPHIC SYSTEMS AND THE COMMUNICATION1/25/1949 INTELLIGENCE11 ACTIVITIES OF THE UNITED STATES; SENATE REPORT 1433 47270 FOLDER 057 A39915 41699679073901 SAFEGUARDING MILITARY INFORMATION; SENATE REPORT 161 3/16/1945 2 47270 FOLDER 057 A39923 41699719073905 FOLDER: LEGISLATION-ESPIONAGE; CONTENTS OF A FOLDER LISTED 1/1/1948 2 47270 FOLDER 057 A39924 41786429082543 ANNEX J TO APPENDIX A - PROPOSED BILL RELATING TO THE INTERNAL SECURITY OF THE U.S 1/1/1948 7 47270 FOLDER 057 A39925 41699779073910 A BILL TO ENHANCE FURTHER THE SECURITY OF THE UNITED STATES BY PREVENTING DISCLOSURES OF INFORMATION CONCERNING THE CRYPTOGRAPHIC SYSTEMS AND THE COMMUNICATION5/17/1948 INTELLIGENCE13 ACTIVITIES OF THE UNITED STATES 47270 FOLDER 057 A39926 41699819073914 PROPOSED ADDITIONAL SECTIONS TO THE SO-CALLED ESPIONAGE ACT - FAILING TO SAFEGUARD INFORMATION AFFECTING NATIONAL DEFENSE 7/30/1947 4 47270 FOLDER 057 A39932 41699849073917 BILL TO ENSURE THE MILITARY SECURITY OF THE UNITED STATES; S. 1019 3/22/1948 11 47270 FOLDER 057 A39933 41700019073935 REVISION OF ENCLOSURES (A) AND (B) TO THE INTELLIGENCE AND SECURITY SUBCOMMITTEE REPORT ON S-1019, DATED 19 JANUARY 1948; STATEMENT OF ADM. STONE 3/16/1948 23 47270 FOLDER 057 A39942 41700079073940 DECREE OF 9 JUNE 1947, TAKEN FROM VEDOMOSTI 16 JUNE 1947 - CONCERNING RESPONSIBILITY FOR DIVULGING STATE SECRETS AND FOR LOSS OF DOCUMENTS, SAFEGUARDING STATE3/10/1948 SECRETS 18 47270 FOLDER 057 A39946 41700099073942 AMENDED VERSION OF BILL S.1019 9/17/1947 6 47270 FOLDER 057 A39950 41700129073945 AMENDED VERSION OF BILL S.1019 9/11/1947 3 47270 FOLDER 057 A39951 41700149073946 AMENDED VERSION OF BILL S.1019 9/3/1947 3 47270 FOLDER 057 A39955 41700159073948 ROUTING SLIP - MODIFICATION OF BILL S.1019 3/22/1948 2 47270 FOLDER 057 A39959 41700179073950 PROPOSED ADDITIONS TO THE SO-CALLED ESPIONAGE ACT 7/30/1947 5 47270 FOLDER 057 A39964 41700219073954 HAND WRITTEN NOTE ABOUT BILL S.1019 1/1/1947 2 47270 FOLDER 057 A39967 41700259073958 ROUTING SLIP PROBABLY RELATING TO BILL S.1019 3/19/1947 1 47270 FOLDER 057 A39972 41700309073963 INTEROFFICE ROUTING AND/OR CARRIER SHEET HQ ASA - BILL S.1019 4/28/1947 2 47270 FOLDER 057 A39977 41700359073968 AMENDED VERSION OF BILL S.1019 9/3/1947 3 47270 FOLDER 057 A39984 41700399073972 ASA PROPOSED AMENDED VERSION OF S.1019 8/26/1947 3 47270 FOLDER 057 A39994 41700429073976 PROPOSED AMENDED VERSION OF BILL S.1019 8/25/1947 5 47270 FOLDER 057 A39995 41700489073981 PROPOSED AMENDED VERSION OF BILL S.1019 1/1/1947 3 47270 FOLDER 057 A39999 41700529073985 PROPOSED AMENDED VERSION OF BILL S.1019 8/21/1947 4 47270 FOLDER 057 A40005 41700559073988 PROPOSED AMENDED VERSION OF BILL S.1019 1/1/1947 3 47270 FOLDER 057 A40011 41700599073992 PROPOSED AMENDED VERSION OF BILL S.1019 8/25/1947 5 47270 FOLDER 057 A40012 41700889074021 PROPOSED AMENDED VERSION OF BILL S.1019 1/1/1947 3 47270 FOLDER 057 A40013 41700919074024 PROPOSED AMENDED VERSION OF BILL S.1019 8/25/1947 3 47270 FOLDER 057 A40014 41700959074028 PROPOSED AMENDED VERSION OF BILL S.1019 8/7/1947 4

UNCLASSIFIED 21 UNCLASSIFIED

47270 FOLDER 057 A40019 41700979074030 PROBABLY PART OF AN AMENDED VERSION S.1019 1/1/1947 2 47270 FOLDER 057 A40024 41700999074032 BILL S.1019 - MILITARY SECURITY OF THE U.S. BY PREVENTING DISCLOSURES OF INFORMATION SECURED THROUGH OFFICIAL SOURCES 4/1/1947 5 47270 FOLDER 057 A40040 41701029074035 INTEROFFICE ROUTING AND/OR CARRIER SHEET - EXTRACT FROM THE PROCEEDINGS OF THE SUPREME COURT OF THE U.S. FOR MONDAY, MAY 16 1946 - COMMUNICATIONS SECURITY5/16/1946 1 47270 FOLDER 057 A40047 41701049074037 RELEASE OF INFORMATION CONCERNING CRYPTANALYTIC ACTIVITIES 9/2/1945 2 47270 FOLDER 057 A40053 41701129074044 BILL S.805 - TO INSURE FURTHER THE MILITARY SECURITY OF THE UNITED STATES BY PREVENTING DISCLOSURES OF INFORMATION SECURED THROUGH OFFICIAL SOURCES 4/4/1945 5 47270 FOLDER 057 A40063 41701149074047 BILL S.1019 AND A DRAFTED AMENDED VERSION 4/28/1947 15 47270 FOLDER 057 A40069 41701179074050 POSITION OF THE EXECUTIVE DEPARTMENT REGARDING INVESTIGATION REPORTS 2/28/1947 7 47270 FOLDER 057 A40072 41701219074054 A BILL RELATING TO THE INTERNAL SECURITY OF THE UNITED STATES 7/7/1947 7 47270 FOLDER 057 A40074 41701239074056 A BILL RELATING TO THE INTERNAL SECURITY OF THE UNITED STATES 7/7/1947 7 47270 FOLDER 057 A40078 41701269074059 A BILL TO INSURE FURTHER THE MILITARY SECURITY OF THE UNITED STATES BY PREVENTING DISCLOSURES OF INFORMATION SECURED THROUGH OFFICIAL SOURCES 4/1/1947 8 47270 FOLDER 057 A40082 41701299074062 PROBABLY PART OF A PROPOSED BILL AFFECTING NATIONAL SECURITY 1/1/1947 3 47270 FOLDER 057 A40087 41701339074066 SUPREME COURT OF THE UNITED STATES - ORDER - COMMUNICATION SECURITY 5/6/1946 1 47270 FOLDER 057 A40119 41701359074068 BILL S.805 - TO INSURE FURTHER THE MILITARY SECURITY OF THE UNITED STATES BY PREVENTING DISCLOSURE OF INFORMATION SECURED THROUGH OFFICIAL SOURCES 6/22/1945 6 47270 FOLDER 057 A40128 41701399074072 BILL S.805 - TO INSURE FURTHER THE MILITARY SECURITY OF THE UNITED STATES BY PREVENTING DISCLOSURE OF INFORMATION SECURED THROUGH OFFICIAL SOURCES 3/30/1945 5 47270 FOLDER 057 A40130 41701429074075 BILL S.805 - TO INSURE FURTHER THE MILITARY SECURITY OF THE UNITED STATES BY PREVENTING DISCLOSURE OF INFORMATION SECURED THROUGH OFFICIAL SOURCES 3/30/1945 3 47270 FOLDER 057 A40132 41701469074079 MEMORANDUM - POLICY WITH REGARD TO TERMINATION OF EMPLOYMENT OF CRYPTOGRAPHIC PERSONNEL 10/7/1944 2 47270 FOLDER 057 A40135 41701499074082 MEMORANDUM - PROSECUTION OF PERSONNEL INVOLVED WITH DISCLOSURE OF CLASSIFIED INFORMATION 9/18/1944 2 47270 FOLDER 057 A40136 41701539074086 PRELIMINARY INQUIRY AS TO WHETHER THERE EXISTS SUFFICIENT PROTECTION AGAINST SERIOUS BREACHES OF SECURITY 9/4/1944 6 47270 FOLDER 057 A40141 41701579074090 DRAFT OF PROPOSED LEGISLATION; DISCLOSURE OF CLASSIFIED INFORMATION 6/29/1944 2 47270 FOLDER 057 A40147 41701609074093 ROUTING SLIP - DISSEMINATION OF CRYPTOGRAPHIC AND CRYPTANALYTIC INFORMATION AND ACTIVITIES 6/26/1944 2 47270 FOLDER 057 A40149 41701639074096 ROUTING AND WORK SHEET - LEGISLATION CONCERNING ALLIED AND U.S. CRYPTOGRAPHIC AND CRYPTANALYTIC ACTIVITIES 6/27/1944 1 47270 FOLDER 057 A40153 41701649074097 RECOMMENDATION FOR CHANGING EXISTING LAWS; DISCLOSURE OF INFORMATION 6/28/1944 8 47270 FOLDER 057 A40163 41701669074099 DRAFT PAPER - UNAUTHORIZED DISCLOSURE OF CRYPTOGRAPHIC AND CRYPTANALYTIC INFORMATION 6/27/1944 3 47270 FOLDER 057 A40168 41701689074101 MEMORANDUM - CONCERNING FEDERAL STATUTES MAKING CERTAIN COMMUNICATION INTELLIGENCE ACTIVITIES ILLEGAL 6/19/1944 1 47270 FOLDER 057 A40173 41701709074103 DRAFT OF A PROPOSED BILL TO OBTAIN THE RESULTS DESIRED FOR ADEQUATE SECURITY AFTER THE WAR 6/14/1944 3 47270 FOLDER 057 A40191 41701729074105 AN ACT TO PROVIDE FOR THE CONTINUING COMMON DEFENSE OF THE UNITED STATES 6/13/1944 2 47270 FOLDER 057 A40193 41701749074107 CONFERENCE FOR PROPOSED LEGISLATION AGAINST UNAUTHORIZED DISSEMINATION OF COMMUNICATION INTELLIGENCE - II 5/18/1944 3 47270 FOLDER 057 A40194 41701779074110 CONFERENCE FOR PROPOSED LEGISLATION AGAINST UNAUTHORIZED DISSEMINATION OF COMMUNICATION INTELLIGENCE 5/16/1944 10 47270 FOLDER 057 A40196 41701789074111 DISCLOSURE OF DETRIMENTAL NATIONAL DEFENSE INFORMATION JUST AS BINDING AFTER THE WAR AS DURING THE WAR 7/23/1943 2 47270 FOLDER 057 A40199 41701819074114 A BILL TO PENALIZE THE DIVULGING OF THE CONTENTS OF CONFIDENTIAL GOVERNMENT DOCUMENTS 2/18/1942 1 47270 FOLDER 057 A40252 41701839074116 BILL S.2281 - TO PENALIZE THE DIVULGING OF THE CONTENTS OF CONFIDENTIAL GOVERNMENT DOCUMENTS 2/17/1942 3 47270 FOLDER 057 A40253 41701859074118 BILL H. R. 6632 - TO PENALIZE THE DIVULGING OF THE CONTENTS OF CONFIDENTIAL GOVERNMENT DOCUMENTS 2/18/1942 3 47270 FOLDER 057 A40254 41701879074120 ACTION THAT MAYBE TAKEN AGAINST VIOLATIONS OF SECURITY REGULATIONS 11/25/1943 2 47270 FOLDER 057 A40255 41701889074121 REPORT - PROTECTION OF GOVERNMENT RECORDS; HOUSE OF REPRESENTATIVES REPORT NO. 18 1/1/1942 2 47270 FOLDER 057 A40257 41701909074123 AMENDMENTS TO BILL H. R. 4220 4/13/1933 3 47270 FOLDER 057 A40259 41701929074125 MEMO FOR THE PRESS - HOUSE RESOLUTION 4330 - PROTECTING DIPLOMATIC CODES; FROM DEPARTMENT OF STATE 4/3/1933 1 47270 FOLDER 057 A40265 41701949074127 COMMENTS ON H. R. 4220. REPORT NO. 18 - PROTECT OUR GOVERNMENTS DOCUMENTS AGAINST COMPROMISE OR DISCLOSURE OF CONTENTS 1/1/1933 1 47270 FOLDER 136 A40267 41717119075642 SNIE PAPERS ON PROBABLE WARNING OF SOVIET ATTACK ON US THROUGH MID-1957 8/24/1954 15 47270 FOLDER 057 A40274 41701969074129 HERBERT YARDLEY; CODE AND CIPHER EXPERT ACCUSED OF TAKING SECRET DIPLOMATIC DOCUMENTS WHEN HE LEFT SERVICE 1/1/1935 1 47270 FOLDER 056 A40278 41701989074132 STUDY WITH RESPECT TO THE DUTIES OF THE CHIEF SIGNAL OFFICER, IN SO FAR AS THE PREPARATION OF CODES AND CIPHERS IS CONCERNED 1/30/1939 15 47270 FOLDER 055 A40282 41702019074134 NOTES ON RADIO AND COMMUNICATIONS LEGISLATION, 1912 - 1949 2/28/1949 26 47270 FOLDER 135 A40298 41717149075644 EARLY WARNING REQUIREMENTS OF ALL ACTIVE AA BATTALIONS OF THE ANTIAIRCRAFT COMMAND AND THE NATIONAL GUARD; AIR DEFENSE COMMAND 9/8/1953 7 47270 FOLDER 055 A40300 41702049074137 A STUDY ATTEMPTING TO BRING TOGETHER IN ONE DOCUMENT THE LAWS REGULATING CRYPTOLOGIC SOURCES AND DOCUMENTS WHICH SERVE U.S. CRYPTOLOGIC AGENCIES 1/1/1949 5 47270 FOLDER 134 A40306 41717159075645 WASHINGTON POST ALSOP ARTICLE ON AIR DEFENSE SPENDING IN THE U.S 9/4/1953 1 47270 FOLDER 055 A40309 41702199074152 A STUDY ATTEMPTING TO EXAMINE A NUMBER OF QUESTIONS CONCERNING THE NATIONAL SECURITY AGENCY AND ITS FUNCTIONS 1/1/1949 1 47270 FOLDER 134 A40311 41717199075648 NEWSPAPER: TAXES AND H-BOMB POSE U.S. DILEMMA - WASHINGTON POST ARTICLE BY JOSEPH ALSOP 8/24/1953 1 47270 FOLDER 134 A40316 41717219075651 NEWSPAPER: VANDENBURG CHOSEN AS "AIR MAN OF YEAR"; NEWSPAPER ARTICLE 7/3/1953 1 47270 FOLDER 134 A40319 41717239075652 NEWSPAPER: H-BOMBS AND CITIES; NEWSPAPER ARTICLE (POSS. WASHINGTON POST) 1/1/1953 1 47270 FOLDER 055 A40324 41705989074530 A STUDY CONCERNING THE LEGAL STATUS OF CRYPTOLOGY AND SECURITY AND THE NATIONAL SECURITY AGENCY AND UNDER WHAT AUTHORITY DOES IT FUNCTION 1/1/1949 7 47270 FOLDER 055 A40326 41706019074533 NOTES ON WHAT NSCID 9 AUTHORIZES 1/1/1949 2

UNCLASSIFIED 22 UNCLASSIFIED

47270 FOLDER 133 A40328 41717259075655 PATENT APPLICATION FOR A CRYPTOGRAPHIC MACHINE - FRIEDMAN 11/15/1933 5 47270 FOLDER 055 A40330 41706029074534 PROPOSED AMENDMENT ON U.S. COMINT ACTIVITIES - ACT JUNE 10, 1933 10/10/1945 2 47270 FOLDER 132 A40335 41717309075660 LENGTHY DESCRIPTION OF A CRYPTOGRAPHIC APPARATUS - FRIEDMAN 1/1/1933 29 47270 FOLDER 055 A40342 41706079074539 COLOR AND SIZE OF SOME DOCUMENT 1/1/1949 1 47270 FOLDER 055 A40343 41706449074576 SECOND PAGE OF SOME DOCUMENT ON CRYPTOLOGIC ACTIVITIES 1/1/1949 1 47270 FOLDER 055 A40346 41706509074582 FACTORS GOVERNING THE ESTABLISHMENT OF THE NATIONAL SECURITY AGENCY 9/6/1945 9 47270 FOLDER 055 A40347 41706839074615 INTERIM IMPLEMENTATION OF NSCID NO. 9 REVISED 1/1/1945 1 47270 FOLDER 055 A40349 41706889074620 DOCUMENT APPENDIX - COORDINATION OF VARIOUS CRYPTOLOGIC ACTIVITIES 1/1/1949 3 47270 FOLDER 055 A40353 41706919074623 NSCID 6 - COMMUNICATION INTELLIGENCE AUTHORITIES 9/15/1958 1 47270 FOLDER 055 A40356 41706959074627 PUBLIC LAW 86-36 - ADMINISTRATIVE AUTHORITY FOR NSA 5/29/1959 1 47270 FOLDER 055 A40358 41706999074631 BILL S.2680 - BEFORE SENATE 1/1/1949 1 47270 FOLDER 055 A40368 41707049074636 PAGE ONE OF AN ATTEMPTED STUDY TO EXAMINE THE CONDUCT OF U.S. CRYPTOLOGIC ACTIVITIES, 1/1/1949 1 47270 FOLDER 055 A40378 41707089074640 A COMMENT FROM SOME DOCUMENT ON MILITARY AFFAIRS APRIL 4, 1945 4/4/1945 1 47270 FOLDER 055 A40384 41707119074643 MEMO - LEGISLATION DESIRED BY THE ARMED FORCES - SIGNED BY W.F. FRIEDMAN, SPECIAL ASSISTANT TO THE CHIEF ARMY SECURITY AGENCY 2/28/1949 4 47270 FOLDER 055 A40388 41707149074646 PAST ARMY REGULATIONS 1/1/1948 4 47270 FOLDER 054 A40393 41707309074662 GUIDE LINES FOR SECURITY CLASSIFICATIONS; APPENDIX TO NSA REG 121-7 DTD 8 APRIL 1955 4/8/1955 13 47270 FOLDER 054 A40399 41707859074717 OPEN SOURCE MENTION OF USE OF ELECTRONIC COMPUTERS IN CRYPTOGRAPHY 10/8/1957 7 47270 FOLDER 054 A40408 41707879074719 LETTER OF APPRECIATION FORWARDED BY THE NAVAL WAR COLLEGE TO ADM. STONE 2/5/1946 1 47270 FOLDER 054 A40409 41707899074721 CRYPTO-MATHEMATICS INSTITUTE BULLETIN 9/1/1958 1 47270 FOLDER 054 A40415 41707919074723 BUILDING A WHO'S WHO FILE ON MEMBERS OF THE CRYPTO-MATHEMATIC INSTITUTE 10/14/1958 3 47270 FOLDER 053 A40422 41707939074725 U.S. NAVAL CODE AND SIGNAL LABORATORY - HISTORY OF 8/12/1950 7 47270 FOLDER 052 A40423 41707959074727 APRIL 1959 EDITION OF SOUND OFF 4/1/1959 8 47270 FOLDER 052 A40424 41707989074730 DIPLOMATIC CODES AND CORRESPONDENCE; SECTION 952 OF TITLE 18 UNAUTHORIZED DISCLOSURE OF OFFICIAL DIPLOMATIC CODE 6/25/1948 1 47270 FOLDER 052 A40434 41708009074732 CONGRESSIONAL RECORD - HOUSE AUGUST 31 8/31/1953 3 47270 FOLDER 052 A40436 41708029074734 OATH FOR NATIONAL SECURITY AGENCY EMPLOYEES 8/28/1945 2 47270 FOLDER 052 A40437 41708079074739 CENTRAL INTELLIGENCE AGENCY OATH OF OFFICE 5/13/1950 3 47270 FOLDER 503 A4045873 41785929082494 PROGRAM FOR THE IMPROVEMENT OF ALLIED (NATO) COMMUNICATIONS SECURITY 8/8/1955 217 47270 FOLDER 504 A4045912 41788089082709 DISCUSSION WITH M. DUSSOT, AND LETTER FROM M.VIALA ON ASAN 2-1 5/17/1954 3 47270 FOLDER 504 A4045913 41788119082712 ASAM 2-1'S FOR FRENCH 4/19/1954 2 47270 FOLDER 504 A4045914 41788139082714 TRAVEL OF PENTAGON LIAISON GROUP 4/29/1954 1 47270 FOLDER 504 A4045924 41788159082716 MEETING WITH THE FRENCH 4/24/1954 1 47270 FOLDER 504 A4045927 41788169082717 LONDON TALKS SUCCESSFUL 4/20/1954 1 47270 FOLDER 504 A4045938 41788179082719 TRIPARTITE CONFERENCE 4/19/1954 1 47270 FOLDER 504 A4045941 41788219082722 MERCURY DISCUSSIONS 4/20/1954 1 47270 FOLDER 504 A4045942 41788239082725 VISIT, 13 APRIL 1954, IN REGARD TO CIRCUIT MERCURY 4/16/1954 4 47270 FOLDER 504 A4045947 41788279082728 USCIB DECISION 4/14/1954 1 47270 FOLDER 504 A4045956 41788309082731 DEMONSTRATION OF THE ASAM 2-1 4/8/1954 1 47270 FOLDER 504 A4045957 41788339082734 TSWG CONFERENCE 4/9/1954 2 47270 FOLDER 504 A4045959 41788359082736 CIRCUIT DISCLOSURE 4/12/1954 1 47270 FOLDER 504 A4045960 41788389082739 CIRCUIT DISCUSSION 12/15/1952 11 47270 FOLDER 506 A4045961 41788439082745 THE LEGENDARY WILLIAM F. FRIEDMAN 2/28/1974 14 47270 FOLDER 506 A4045962 41788489082750 WILLIAM F. FRIEDMAN (1891-1969) 2/1/1974 6 47952 ACC47952 A4046187 41785189082420 PHOTO: CONFERENCE WITH FRIEDMAN, TILTMAN AND COOPER 1/1/1963 5 48394 ACC48394 A4046226 41785219082423 PHOTO: MARK RHOADS AND WILLIAM FRIEDMAN 12/31/1950 2 48394 ACC48394 A4046229 41785239082425 ASA REVIEW: RETIREMENT REQUESTED BY RHOADS 3/1/1952 3 47270 FOLDER 052 A40467 41708099074741 REPORT - SAFEGUARDING MILITARY INFORMATION; SENATE REPORT NO. 161 3/10/1945 2 47270 FOLDER 052 A40480 41708149074746 CRYPTOGRAPHIC SYSTEMS AND COMMUNICATION INTELLIGENCE ACTIVITIES - PREVENTION OF DISCLOSURE OF INFORMATION; HOUSE REPORT NO 1859 3/11/1949 6 47270 FOLDER 052 A40491 41708279074759 TITLE 18 - CRIMINAL CODE AND CRIMINAL PROCEDURE - CHAPTER 37. ESPIONAGE AND CENSORSHIP 10/31/1951 4 47270 FOLDER 052 A40502 41708459074777 NSA CERTIFICATION OF COGNIZANCE OF TITLE 18 USC, SECTION 798 1/6/1954 2 47270 FOLDER 052 A40514 41708719074802 REPORT (TO ACCOMPANY S.277) TO ENHANCE FURTHER THE SECURITY OF THE UNITED STATES BY PREVENTING THE DISCLOSURES OF INFORMATION CONCERNING THE CRYPTOGRAPHIC3/11/1949 SYSTEMS AND THE COMMUNICATION5 INTELLIGENCE ACTIVITIES; SENATE REPORT NO. 111

UNCLASSIFIED 23 UNCLASSIFIED

47270 FOLDER 052 A40532 41708889074820 PUBLIC LAW 248 - 82 CONGRESS CHAPTER 655 - 1ST SESSION H. R. 3899 10/31/1951 21 47270 FOLDER 051 A40539 41708959074831 REPORT OF REVIEW OF NATIONAL SECURITY AGENCY SECURITY PROCEDURES AND STATUS 3/19/1959 161 47270 FOLDER 050 A40556 41709389074871 FEDERAL LAW AND ARMED FORCES SECURITY AGENCY MEMORANDA 1/16/1952 33 47270 FOLDER 049 A40564 41709429074873 DEVELOPMENT OF A GUIDE FOR SERVICE CRYPTOLOGIC CAREER PLANNING 2/11/1955 19 47270 FOLDER 048 A40566 41709489074882 STUDY OF THE SECURITY DIVISION 2/15/1955 56 47270 FOLDER 047 A40586 41786769082578 THE COMMUNICATIONS ACT OF 1934 WITH AMENDMENTS AND INDEX THERETO 8/21/1962 174 47270 FOLDER 047 A40598 41786959082600 1972 EDITION - RADIO LAWS OF THE UNITED STATES 6/24/1972 173 47270 FOLDER 057 A40684 41710339074965 GENERAL MILITARY LAW; OUTLINES SECRETARY OF DEFENSE GENERAL LEGAL RESPONSIBILITIES AND PREROGATIVES 9/7/1962 13 47270 FOLDER 057 A40686 41710369074968 PROPOSED AMENDED VERSION OF BILL S.1019; LEGALIZE SEMANTICS CONCERNING THE UNAUTHORIZED REVELATION OF CLASSIFIED INFORMATION 8/25/1947 2 47270 FOLDER 057 A40689 41710419074973 79TH CONGRESS HOUSE OF REPRESENTATIVES BILL H.R. 2711 DEALING WITH INFORMATION RELATED TO CODES, CIPHER, CRYPTOGRAPHIC OR CRYPTANALYTICAL; UNAUTHORIZED DISCLOSURE3/21/1945 OF SAID INFORMATION5 TO A FOREIGN REPRESENTATIVE OR GOVERNMENT, ETC 47270 FOLDER 057 A40693 41710459074977 SENATE BILL S. 805 REFERS TO PREVENTING DISCLOSURES OF INFORMATION SECURED THROUGH OFFICIAL SOURCES; PROHIBITS DISCLOSURE OF CODE, CIPHER, CRYPTOGRAPHIC, & CRYPTANALYTIC3/30/1945 INFORMATION5 RELATED TO ACTIVITIES OF THE U.S. AND FOREIGN GOVERNMENTS 47270 FOLDER 057 A40696 41710499074980 HOUSE OF REPRESENTATIVES BILL H.R. 4220 FOR THE PROTECTIONS OF GOVERNMENT RECORDS 3/27/1933 5 47270 FOLDER 057 A40697 41710529074984 H.R. 4220 A BILL FOR THE PROTECTION OF GOVERNMENT RECORDS; SIMILAR TO, BUT DIFFERENT FROM, FOLDER 1/DOCUMENT 75 OF THIS ADS BATCH FOR THE PROTECTION OF GOVERNMENT3/29/1933 RECORDS 4 47270 FOLDER 055 A40699 41710579074989 HANDWRITTEN NOTES REGARDING THE USE OF CODES, CIPHERS AND SECRET INKS DURING THE ERA OF THE AMERICAN REVOLUTIONARY WAR 1/1/1933 7 34876 ACC34876 A4126886 41785309082436 FRIEDMAN'S ORIGINAL WORKSHEETS OF HEBERN SOLUTION, 11 NOV 1936 9/20/1949 99 47587 ACC47587 A4126892 41785369082438 S.I. COURSE, VOL. II: FIGURES AND CIPHER TEXTS 1/1/1942 51 50341 ACC50341 A4127207 41785399082450 USA: ARMY REGULATIONS, CLASSIFICATION MARKING & SAFEGUARDING MILITARY INFORMATION, FRIEDMAN'S COPIES; S-028,297 12/31/1946 309 50343 ACC50343 A4127215 41785509082462 W.F. FRIEDMAN LETTER TO DEPT OF STATE: CRYPTOGRAPHIC SECURITY OF CODATYPE CYPHER MACHINE; S-028,605 9/18/1937 182 50344 ACC50344 A4127217 41785629082465 CORRESPONDENCE: W.F. FRIEDMAN DECODED BUREAU OF (AMERICAN) INDIAN AFFAIRS MESSAGES FOR U.S. SENATE COMMITTEE; S-028,417 1/1/1929 111 50345 ACC50345 A4127218 41785649082466 LETTER FROM WILLIAM FRIEDMAN TO FRANK ROWLETT: GERMAN DECODES OF FIVE MESSAGES; S-028,283 8/13/1945 3 50346 ACC50346 A4127221 41785659082467 ORIGINAL PAPER WRITTEN & SIGNED BY WILLIAM F. FRIEDMAN: CRYPTO EQUIPMENT; S-027,886 5/2/1947 18 50347 ACC50347 A4127224 41785669082468 LETTER FROM BORIS HAGELIN TO BILL AND ELIZEBETH FRIEDMAN; S-013,504 12/23/1953 9 47270 FOLDER 507 A4146440 41783759082281 SYNOPTIC TABLES FOR THE SOLUTION OF CIPHERS 1/1/1918 26 47270 FOLDER 507 A4146441 41783829082288 METHODS FOR THE RECONSTRUCTION OF PRIMARY ALPHABETS 1/1/1918 15 47270 Folder 507 A4146444 41783979082304 THE PRODUCTION AND DETECTION OF MESSAGES IN CONCEALED WRITING AND IMAGES 1/1/1918 20 47270 FOLDER 508 A4146445 41784299082338 MILITARY CRYPTANALYSIS, PART II, SIMPLER VARIETIES OF POLYALPHABETIC SUBSTITUTION SYSTEMS 1/1/1937 116 47270 FOLDER 509 A4146451 41784369082342 ARMY EXTENSION COURSES: SUB COURSE -- MILITARY CRYPTANALYSIS PART II: SIMPLER VARIETIES OF POLYALPHABETIC SUBSTITUTION SYSTEMS 1/1/1937 47 47270 FOLDER 510 A4146452 41784409082346 PRELIMINARY REPORT OF TRIP TO ENGLAND 7/8/1943 12 47270 FOLDER 511 A4146453 41784459082351 MILITARY CRYPTANALYSIS, PART III: APERIODIC SUBSTITUTION SYSTEMS 1/1/1938 157 47270 FOLDER 513 A4146454 41784509082356 REPORT ON SIMILARITIES AND DIFFERENCES IN REGARD TO ORGANIZATION, METHODS, AND ARRANGEMENTS FOR PROCESSING PLAIN-TEXT TRAFFIC FOR THE PRODUCTION OF COMINT3/31/1952 AND A FEW COMMENTS9 THEREON 47270 FOLDER 513 A4146456 41784569082361 A BRIEF HISTORY OF U.S. COMINT ACTIVITIES 2/19/1952 10 47270 FOLDER 513 A4146457 41784849082387 PLACE MARKER 3/31/1952 1 47270 FOLDER 513 A4146458 41784859082388 REPORT ON SIMILARITIES AND DIFFERENCES IN REGARD TO ORGANIZATION, METHODS, AND ARRANGEMENTS FOR PROCESSING PLAIN-TEXT TRAFFIC FOR THE PRODUCTION OF COMINT3/31/1952 AND A FEW COMMENTS10 THEREON 47270 FOLDER 513 A4146459 41784879082390 BRIEF HISTORY OF U.S. COMINT ACTIVITIES 4/2/1952 3 47270 FOLDER 513 A4146460 41784889082391 A. PROPOSED PLAN FOR REORGANIZATION OF THE U.S. COMINT EFFORT 1/1/1954 1 47270 FOLDER 513 A4146461 41784909082393 REORGANIZATION PLAN 4/18/1952 3 47270 FOLDER 513 A4146463 41784939082396 GENERAL OPERATING AND CONTROL PRINCIPLES FOR PROVISION OF COMINT SUPPORT 5/26/1952 7 47270 FOLDER 513 A4146477 41785159082416 TYPICAL COMINT SUPPORT PLAN: ORGANIZATION CHART 5/26/1952 1 47270 FOLDER 513 A4146478 41785249082426 COMINT SUPPORT PLAN AS APPLIED TO PACIFIC-FAREAST AREAS: ORGANIZATION CHART 5/28/1952 2 47270 FOLDER 513 A4146479 41785329082433 PLAN FOR OPERATION OF GLOBAL COMINT ACTIVITIES IN WARTIME - FLOW CHART 5/28/1952 1 47270 FOLDER 513 A4146480 41785359082437 DEFINITIONS FOR FREQUENTLY USED TERMS 1/1/1952 1 47270 FOLDER 513 A4146481 41785429082443 BROWNELL COMMITTEE REPORT 11/9/1954 2 47270 FOLDER 513 A4146482 41785529082453 REPORTS BY FLICKE 4/2/1952 10 47270 FOLDER 513 A4146483 41785789082480 REPORTS BY FLICKE 4/2/1952 9 47270 FOLDER 513 A4146484 41785839082485 LETTER FROM FRIEDMAN: SECRET INKS BUREAU OF MI-8 4/23/1952 6 47270 FOLDER 513 A4146485 41785869082488 PLAIN-TEXT PROCESSING 4/2/1952 8 47270 FOLDER 513 A4146486 41785879082489 PLAIN-TEXT PROCESSING 4/2/1952 6 47270 FOLDER 513 A4146488 41785899082490 BROWNELL COMMITTEE: COMMUNICATIONS INTELLIGENCE RATIONALE 3/5/1952 3 47270 FOLDER 513 A4146489 41785909082492 COMMUNICATIONS INTELLIGENCE RATIONALE 3/5/1952 38 47270 FOLDER 513 A4146491 41785919082493 COMMENTS ON DRAFT REPORT ON PROCESSING OF PLAIN-TEXT 3/20/1952 2

UNCLASSIFIED 24 UNCLASSIFIED

47270 FOLDER 513 A4146494 41785939082495 REPORT BY THE AD HOC COMMITTEE ON PLAIN TEXT PROCESSING TO THE CHIEF, OFFICE OF OPERATIONS ON THE PROCESSING OF PLAIN TEXT TRAFFIC WITHIN AFSA-02 1/8/1952 7 47270 FOLDER 513 A4146496 41786609082561 PLAIN-TEXT PROCESSING: REPORT ON SIMILARITIES AND DIFFERENCES 3/31/1952 10 47270 FOLDER 513 A4146503 41786189082519 LETTER FROM GEORGE C MARSHALL TO DEWEY 11/25/1944 2 47270 FOLDER 513 A4146507 41786209082521 ORGANIZATION OF AFSA 8/2/1951 5 47270 FOLDER 513 A4146508 41786219082522 HANDWRITTEN NOTES 1/1/1951 2 47270 FOLDER 513 A4146511 41786259082526 RESPONSIBILITY AND COMMAND RELATIONSHIPS IN THE PRODUCTION OF COMMUNICATION INTELLIGENCE (COMINT) 3/13/1952 5 47270 FOLDER 513 A4146514 41786289082529 MEMORANDUM FOR GENERAL CANINE: AFSAC 1/24/1952 5 47270 FOLDER 513 A4146517 41786319082532 REPORT TO THE SECRETARY OF STATE AND THE SECRETARY OF DEFENSE 12/28/1951 3 47270 FOLDER 513 A4146520 41786669082567 PETERSON'S FAREWELL ADDRESS 1/5/1951 17 47270 FOLDER 514 A4146524 41787859082686 DESCRIPTION OF THE GENERAL PRINCIPLES OF AN INVESTIGATION OF A MACHINE FOR LOCATING IDIOMORPHS AND ISOMORPHS IN CRYPTANALYSIS 4/14/1937 6 47270 FOLDER 514 A4146526 41787899082690 INVENTION OF A CRYPTANALYTIC COINCIDENCE COUNTER 4/15/1937 4 47270 FOLDER 514 A4146528 41787949082695 CIPHER MACHINE 1/1/1937 2 47270 FOLDER 514 A4146531 41788259082726 MECHANICAL DECODING AND PREPARATION PROCEDURES 4/1/1938 2 47270 FOLDER 515 A4146534 41788379082740 DECIUS WADSWORTH DISC CIPHER 4/26/1951 43 47270 FOLDER 516 A4146536 41789139082814 THEORETICAL SECURITY OF THE SCHLUSSELKASTEN 12/28/1949 4 47270 FOLDER 517 A4146578 41789209082821 LIST OF COUNTRIES USING HAGELIN MACHINES 6/15/1951 4 47270 FOLDER 519 A4146581 41789269082828 COMMENTS REQUESTED ON INSTRUCTION MANUAL, CONVERTER M-209 11/12/1947 5 47270 FOLDER 520 A4146590 41789319082833 ENIGMA MATERIALS FOR HAND METHOD ATTACK 1/1/1945 3 47270 FOLDER 520 A4146632 41790129082914 WIRING FOR E-MACHINE, AS OBTAINED FROM COAST GUARD 3/12/1943 74 47270 FOLDER 521 A4146658 41790359082935 SUGGESTED SOLUTION OF COMMERCIAL ENIGMA 5/15/1943 13 47270 FOLDER 522 A4146669 41790889082988 REQUEST FROM FRIEDMAN: "THE UNIVERSAL CHARACTER" FROM THE FABYAN COLLECTION 8/8/1950 1 47270 FOLDER 523 A4146699 41790939082993 AFSA-14 LETTER REGARDING THE CRYPTANALYSIS TERM, "WILY BEGUILY!" 6/23/1950 3 47270 FOLDER 524 A4146716 41791009083005 TRANSLATION OF ARTICLE ON EGYPTIAN CRYPTOGRAPHY 6/15/1951 44 47270 FOLDER 525 A4146717 41791349083034 NOTES ON CODE WORDS 9/1/1932 15 47270 FOLDER 526 A4146722 41791439083043 LETTER FROM PIERRE SPEZIALI TO WILLIAM FRIEDMAN 11/23/1953 3 47270 FOLDER 512 A4146724 41791549083055 MEMORANDUM FOR THE RECORD: SUPERFLEX 7/1/1954 78 47270 FOLDER 527 A4148465 41770909080999 SECURITY REVIEW OF PATENT APPLICATIONS 7/12/1948 3 47270 FOLDER 527 A4148467 41770939081002 RECEIPT OF YOUR LETTER OF 16 JUNE 1948 IS ACKNOWLEDGED 6/29/1948 8 47270 FOLDER 527 A4148468 41770979081006 FILE IN STUDY OF PATENT LEGISLATION FOR SECRECY 6/17/1948 3 47270 FOLDER 527 A4148469 41770999081008 RECEIPT OF YOUR LETTER OF 24 MAY 1948 IS ACKNOWLEDGED 6/4/1948 2 47270 FOLDER 527 A4148470 41771019081010 PATENT OFFICE SECRECY ORDERS 5/15/1948 11 47270 FOLDER 527 A4148471 41771049081013 PATENT OFFICE SECRECY ORDERS 3/25/1948 1 47270 FOLDER 527 A4148472 41771059081014 REPORT ON LEGISLATION CONTROLLING PATENTS IMPORTANT IN THE NATIONAL DEFENSE 4/26/1948 9 47270 FOLDER 527 A4148473 41771069081015 PROPOSED SECURITY MEASURE 3/16/1948 6 47270 FOLDER 527 A4148474 41771089081017 PROPOSED COMMUNICATION SECURITY MEASURES 3/10/1948 11 47270 FOLDER 527 A4148475 41771099081018 JOINT ARMY-NAVY PATENT ADVISORY BOARD 3/17/1948 2 47270 FOLDER 527 A4148476 41771119081020 80TH CONGRESS 2D SESSION H.R. 5740 3/5/1948 11 47270 FOLDER 527 A4148477 41771129081021 80TH CONGRESS 1ST SESSION S. 1726 7/25/1947 11 47270 FOLDER 527 A4148478 41771139081022 80TH CONGRESS 1ST SESSION H.R. 4420 7/26/1947 10 47270 FOLDER 527 A4148479 41771149081023 FILING OF PATENT APPLICATIONS STATE-ARMY-NAVY-AIR FORCE COORDINATING COMMITTEE 2/26/1948 14 47270 FOLDER 527 A4148480 41771159081024 PATENTS AND INVENTIONS 1/1/1947 3 47270 FOLDER 527 A4148481 41771169081025 EXCERPT FROM PATENT LAWS 9/1/1931 1 47270 FOLDER 527 A4148482 41771179081026 BULLETIN NO. 10 WAR DEPARTMENT 7/11/1947 2 47270 FOLDER 527 A4148483 41771189081027 NEWS LAWS ACT OF AUGUST 1, 1946, PUBLIC LAW NO. 585 8/1/1948 4 47270 FOLDER 527 A4148484 41771209081028 SEC. 4894 R.S. U.S.C. TITLE 35 SEC. 37 3/2/1927 1 47270 FOLDER 527 A4148485 41771219081030 40 STAT. 394 4/30/1928 3 47270 FOLDER 527 A4148486 41771229081031 TERMINATION OF WARTIME STATUTES, PROCLAMATIONS AND EXECUTIVE ORDERS 4/19/1948 3 47270 FOLDER 527 A4148487 41771239081032 SANACC PAPER 386/2 PUBLISHED FOR CONSIDERATION OF DEPARTMENTS CONCERNED 12/4/1948 4 47270 FOLDER 527 A4148488 41771249081033 EXTRACT FROM: FEDERAL REGISTER, VOLUME 11, NUMBER 242, DEC. 13, 1946 EXECUTIVE ORDER 9809 - PROVIDING FOR THE DISPOSITION OF CERTAIN WAR AGENCIES 12/13/1946 1 47270 FOLDER 527 A4148489 41771259081034 CALL COL. SHULL 73934 8 APRIL ABOUT SWANCC ACTION 7/25/1947 10

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47270 FOLDER 527 A4148490 41771269081035 EXECUTIVE ORDER 9604 THE NEW YORK TIMES, TUESDAY, AUGUST 28, 1945 8/28/1945 2 47270 FOLDER 527 A4148491 41771279081036 POLICY CONCERNING DISTRIBUTION AND DISCLOSURE OF CRYPTOGRAPHIC DESIGN OF CONVERTERS M-134-A, AND M-134-C 7/3/1944 2 47270 FOLDER 527 A4148492 41771289081037 EXECUTIVE ORDER 9568 THE NEW YORK TIMES, SUNDAY, JUNE 10, 1945 6/10/1945 1 47270 FOLDER 528 A4148493 41771299081038 S-2049 FRIEDMAN'S HISTORY WITH TABS S-3441 ENTIRE DOCUMENTS INCLUDES FRIEDMAN'S HISTORY AND ALL ATTACHMENTS 12/7/1941 73 47270 FOLDER 529 A4148494 41771309081039 RECOMMENDATIONS FOR LEGION OF MERIT AND MEDAL FOR MERIT AWARDS 9/27/1943 11 47270 FOLDER 530 A4148495 41771319081040 REPORT OF TICOM TEAM 4 VISIT TO SOUTHERN GERMANY AND AUSTRIA 14TH JUNE - 12TH JULY 1945 7/17/1945 24 47270 FOLDER 530 A4148496 41771349081043 TICOM TARGET EXPLOITATION REPORT NO. 1 5/30/1945 2 47270 FOLDER 530 A4148498 41771359081044 TICOM ACTIVITY 4/1/1947 3 47270 FOLDER 530 A4148499 41771369081045 TICOM INFORMATION LETTER 10/10/1947 3 47270 FOLDER 530 A4148500 41771379081046 TICOM HISTORIES 7/31/1950 2 47270 FOLDER 530 A4148501 41771389081047 MEMORANDUM TO AFSA-254 ON REPORT ON TICOM ACTIVITIES SINCE 1945 3/23/1950 1 47270 FOLDER 530 A4148502 41771409081049 RELATIONS WITH GERMAN MILITARY DOCUMENTS SECTION 7/19/1950 3 47270 FOLDER 530 A4148503 41771419081050 REQUEST FOR TICOM INTERROGATIONS 8/11/1950 1 47270 FOLDER 530 A4148504 41771429081051 TICOM ACTIVITIES OF AFSA 7/17/1950 10 47270 FOLDER 531 A4148507 41771439081052 FUNCTIONS OF OP-20-G 11/21/1944 187 47270 FOLDER 532 A4148508 41771449081053 IN REPLY REFER TO DCR LETTER FROM DEPARTMENT OF STATE 1/11/1932 1 47270 FOLDER 532 A4148509 41771459081054 MR. W.F. FRIEDMAN'S INVESTIGATION LETTER OF THE CIPHER MACHINE SUBMITTED FOR YOUR CONSIDERATION BY THE INTERNATIONAL TELEPHONE AND TELEGRAPH COMPANY 11/20/1931 1 47270 FOLDER 532 A4148510 41771469081055 LETTER TO MAJOR WILLIAM F. FRIEDMAN IN REFERENCE TO CABLE PRINTER 11/19/1931 2 47270 FOLDER 532 A4148511 41771479081056 MEMORANDUM FOR THE ADMINISTRATIVE ASSISTANT, WAR DEPARTMENT IN REFERENCE TO CIPHER MACHINE 11/17/1931 11 47270 FOLDER 532 A4148512 41771489081057 MEMORANDUM TO EXECUTIVE OFFICER 11/16/1931 14 47270 FOLDER 532 A4148514 41771499081058 TECHNICAL PAPER OF THE SIGNAL INTELLIGENCE SECTION 12/1/1931 17 47270 FOLDER 532 A4148515 41771509081059 DEPARTMENT OF STATE LETTER IN REFERENCE TO THE TEST BEING MADE IN THIS OFFICE OF A CIPHER WRITING MACHINE 11/12/1931 1 47270 FOLDER 532 A4148516 41771519081060 DEPARTMENT OF STATE LETTER IN REFERENCE TO THE TEST BEING MADE IN THIS OFFICE OF A CIPHER WRITING MACHINE 11/11/1931 1 47270 FOLDER 532 A4148518 41771529081061 LETTER OF THE 29TH ULTIMO, THE DEPARTMENT HAS APPROVED THE RECOMMENDATION OF THE CHIEF SIGNAL OFFICER 11/9/1931 1 47270 FOLDER 532 A4148519 41771539081062 MEMORANDUM METHOD OF ASCERTAINING THE NOTCHING ON THE MIXER DIALS 10/31/1931 1 47270 FOLDER 532 A4148520 41771549081063 DEPARTMENT OF STATE LETTER IN REFERENCE TO THE CIPHER WRITING MACHINE 10/29/1931 2 47270 FOLDER 532 A4148521 41771569081065 1ST MEMO IND. IN REFERENCE TO A DEMONSTRATION OF A CIPHER MACHINE RECENTLY DEVELOPED BY COLONEL PARKER HITT 9/29/1931 6 47270 FOLDER 532 A4148522 41771579081066 LETTER TO MAJOR FRIEDMAN AND MAJOR CRAWFORD FROM COLONEL PARKER HITT 10/7/1931 4 47270 FOLDER 532 A4148523 41770899080998 SET A- MESSAGE #4 10/1/1931 10 47270 FOLDER 532 A4148524 41771589081067 CRYPTOGRAPHIC SHEET MAG NO. 6 10/1/1931 1 47270 FOLDER 532 A4148526 41771599081068 LETTER #6 OF SET A FROM MONTEVIDEO, URUGUAY 11/5/1931 1 47270 FOLDER 532 A4148527 41771609081069 MESSAGE #6 11/5/1931 1 47270 FOLDER 532 A4148528 41771619081070 CIPHER PRINTER UNIT 3/22/1930 1 47270 FOLDER 532 A4148529 41771629081071 TELEGRAM SIGNALS RECEIVED 12:40 P.M 11/6/1931 13 47270 FOLDER 532 A4148530 41771639081072 TELEGRAMS SIGNALS FROM EMBASSY, SANTIAGO, CHILE 10/30/1931 4 47270 FOLDER 532 A4148531 41771649081073 FOR TESTING CIPHER PRINTERS 9/1/1925 1 47270 FOLDER 532 A4148532 41771659081074 MESSAGES USED IN STUDY OF MACHINE 7/30/1931 36 47270 FOLDER 532 A4148533 41771669081075 LIST OF CIPHER CODES 10/30/1931 5 47270 FOLDER 532 A4148534 41771699081078 MEMORANDUM IN REFERENCE TO DEALING WITH OUR SOLUTION OF MESSAGES ENCIPHERED BY THE I.T. & T. COMPANY'S ELECTRICAL CIPHER MACHINE 3/9/1932 3 47270 FOLDER 532 A4148535 41771709081079 MACHINE NO. 1 & 2 MEMO BY COLONEL PARKER HITT 8/11/1931 3 47270 FOLDER 532 A4148536 41771719081080 DEPARTMENT OF STATE LETTER IN REFERENCE TO HAVING MR. W.P. FRIEDMAN'S EXPERT ADVICE OF A CIPHER WRITING MACHINE 1/11/1932 2 47270 FOLDER 533 A4148537 41771729081081 CIPHER COMPROMISES 11/25/1949 1 47270 FOLDER 533 A4148538 41771739081082 LOAN OF DOCUMENTS FROM OP-202 ARCHIVES 9/11/1950 1 47270 FOLDER 533 A4148539 41771749081083 DRAWINGS OF CIPHER MESSAGES 9/11/1950 3 47270 FOLDER 533 A4148540 41771759081084 SECURITY OF OUR HIGH-GRADE CRYPTOGRAPHIC SYSTEMS 3/13/1945 14 47270 FOLDER 533 A4148541 41771769081085 MEMORANDUM FOR MR. FRIEDMAN IN REFERENCE TO THE DEGREE OF CONFIDENCE WE CAN HAVE THAT THE GERMANS ARE NOT READING OUR HIGH-GRADE MACHINE CIPHER TRAFFIC2/24/1945 11 47270 FOLDER 533 A4148542 41771779081086 COMMENTS ON "SECURITY OF U.S. MILITARY COMMUNICATIONS" 9/1/1943 2 47270 FOLDER 533 A4148543 41771789081087 SECURITY OF UNITED STATES COMMUNICATIONS 9/1/1943 2 47270 FOLDER 533 A4148544 41771809081089 COMMENTS ON CMDR WEEKS PAPER 9/1/1943 3 47270 FOLDER 533 A4148545 41771839081092 SECURITY OF INFORMATION DERIVED FROM FIELD INTERCEPT SOURCES 5/15/1943 3

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47270 FOLDER 534 A4148546 41771859081094 SECURITY OF ALLIED CIPHERS 8/25/1945 12 47270 FOLDER 534 A4148547 41771889081097 SECURITY OF ALLIED CIPHERS 9/20/1945 3 47270 FOLDER 534 A4148548 41771909081099 MEMO ROUTING SLIP ON INFORMATION OF WEATHER CRYPTOGRAPHIC MATERIAL 4/7/1943 9 47270 FOLDER 534 A4148549 41771929081101 ABC COMMITTEE PAPER 9/5/1944 2 47270 FOLDER 534 A4148550 41771949081103 NISHI I STAFF #3 MESSAGE #52, PARTS 1-4 CONFERENCE ON 11TH AND 12TH DECEMBER 11/22/1944 3 47270 FOLDER 534 A4148552 41771969081105 DIGEST OF "C" SERIES RECEIVED 1 NOVEMBER - 10 DECEMBER 11/22/1944 2 47270 FOLDER 534 A4148553 41771989081107 COMMUNICATIONS SECURITY COMPROMISES 2/17/1945 5 47270 FOLDER 534 A4148554 41772019081110 COMMUNICATION SECURITY COMPROMISES 1/22/1945 2 47270 FOLDER 534 A4148555 41772039081112 COMMENTS ON SPSIS-3 MEMORANDUM, DATED 6 JANUARY 1945 1/19/1945 11 47270 FOLDER 534 A4148556 41772069081115 INTELLIGENCE CONCERNING SECURITY OF COMMUNICATIONS 3/7/1945 3 47270 FOLDER 534 A4148557 41772089081117 PROPOSAL FOR AN ABC COMMITTEE 9/22/1944 4 47270 FOLDER 535 A4148558 41772109081119 CODES AND CIPHERS (CRYPTOLOGY) ARTICLE BY WILLIAM F. FRIEDMAN 1/1/1956 8 47270 FOLDER 536 A4148559 41772129081121 ARMY SECURITY AGENCY SCHOOL SPEECHES BY MR. WILLIAM P. FRIEDMAN, COLONEL HAROLD G. HAYES AND LT. GEN. STEPHEN J. CHAMBERLIN 5/7/1943 12 47270 FOLDER 537 A4148560 41772149081123 SECURITY OF RADIO TRAFFIC LECTURE GIVEN BY MAJOR W.F. FRIEDMAN, SIG-RES. AT THE SIGNAL SCHOOL 1/14/1935 22 47270 FOLDER 538 A4148562 41772169081126 COMMUNICATIONS INTELLIGENCE PRESENTATION BY MR. WILLIAM F. FRIEDMAN 9/29/1950 48 47270 FOLDER 539 A4148563 41772209081129 DR. EDGAR GRETENER A.G. (TELETYPE AND TELECRYPTO APPARATUS) 11/1/1950 2 47270 FOLDER 539 A4148564 41772229081131 THE DISTINCT SYSTEM OF TELETYPEWRITERS WITH PULSE TRANSMISSION MANUFACTURED BY DR. EDGAR GRETENAR A.G. OF ZURICH, SWITZERLAND 2/26/1951 5 47270 FOLDER 539 A4148565 41772259081134 LETTER IN REFERENCE TO A CRYPTOGRAPHIC DEVICE WHICH APPARENTLY IS CAPABLE OF A HIGH DEGREE OF SECURITY 6/5/1951 4 47270 FOLDER 539 A4148568 41772279081136 PERMUTATION SWITCH PX INTERCHANGES CALCULATIONS AND DIAGRAMS 9/13/1950 6 47270 FOLDER 539 A4148569 41772299081138 SWISS - EDGAR GRETENER NOTES 1/6/1948 2 47270 FOLDER 539 A4148570 41772309081139 DR. EDGAR GRETENER A.G. NOTES 1/6/1948 4 47270 FOLDER 539 A4148572 41772319081140 SWITCH DIAGRAMS 1/6/1948 2 47270 FOLDER 539 A4148573 41772339081142 EDGAR GRETENER SIGNALING APPARATUS DRAWINGS AND ARTICLE 7/24/1934 4 47270 FOLDER 539 A4148575 41772359081144 HAGELIN-GRETENER SYSTEM 8/1/1949 30 47270 FOLDER 539 A4148576 41772379081147 TELECRYPTO APPARATUS TYPE TKG 5/14 10/17/1949 11 47270 FOLDER 540 A4148577 41772409081149 NEW HAGELIN CIPHER MACHINE 6/22/1951 3 47270 FOLDER 540 A4148578 41772429081151 MEMO ROUTING SLIPS AS76 UNDER THE NAME MR. FRIEDMAN 8/10/1949 7 47270 FOLDER 540 A4148579 41772459081154 MEMO ROUTING SLIP AND OFFER NO. 407 FOR TELECRYPTIC SAMPLES 12/7/1949 3 47270 FOLDER 540 A4148580 41772479081156 AFSA-351 APPARATUS MEMORANDUM 8/29/1951 3 47270 FOLDER 540 A4148581 41772519081160 WRITTEN NOTES UNDER THE NAME KURT EHRAT 11/21/1951 1 47270 FOLDER 540 A4148582 41772539081162 LETTER CONCERNING A CRYPTOGRAPHIC DEVICE WHICH APPARENTLY IS CAPABLE OF A HIGH DEGREE OF SECURITY 6/5/1951 10 47270 FOLDER 541 A4148589 41774949081403 FOREIGN CRYPTOGRAPHIC POTENTIALS RESEARCH FILE 1/1/1945 1 47270 FOLDER 541 A4148590 41775009081409 FOREIGN CRYPTOGRAPHIC POTENTIALS RESEARCH FILE 1/1/1945 1 47270 FOLDER 541 A4148591 41775049081413 FOREIGN CRYPTOGRAPHIC POTENTIALS RESEARCH FILE - NOTE 3/24/1944 2 47270 FOLDER 541 A4148592 41775099081418 MATERIAL AFFECTING U.S. ARMY SIGNALS AND CYPHER SECURITY 3/9/1944 4 47270 FOLDER 541 A4148595 41775209081429 FOREIGN CRYPTANALYSIS 2/21/1944 1 47270 FOLDER 541 A4148599 41775259081434 MEMORANDUM FOR COLONELS CLARKE AND CORDERMAN 1/22/1944 3 47270 FOLDER 541 A4148600 41775289081437 FOREIGN CRYPTOGRAPHIC POTENTIALS RESEARCH FILE - NOTE 1/1/1944 1 47270 FOLDER 541 A4148601 41775319081440 SPSIS-7 TOPICAL INDEX 1/7/1943 1 47270 FOLDER 541 A4148602 41775339081442 FOREIGN CRYPTANALYSTS 7/12/1943 4 47270 FOLDER 541 A4148603 41775359081444 EVIDENCE OF AXIS (AND POSSIBLY RUSSIAN) CRYPTANALYTIC ACTIVITY 4/16/1943 13 47270 FOLDER 541 A4148604 41775369081445 MEMORANDUM FOR MAJOR CURTISS 12/20/1943 1 47270 FOLDER 541 A4148605 41775379081446 MEMORANDUM IN RE CODING MACHINES 11/14/1943 1 47270 FOLDER 541 A4148608 41775409081449 FOREIGN CRYPTOGRAPHIC POTENTIALS RESEARCH FILE - NOTES 1/1/1945 2 47270 FOLDER 541 A4148609 41775429081450 ENEMY CRYPTOGRAPHIC FILE 1/1/1945 1 47270 FOLDER 541 A4148610 41775449081453 FILE ENEMY CRYPTANALYSIS 1/1/1945 1 47270 FOLDER 541 A4148611 41775499081458 FOREIGN CRYPTOGRAPHIC POTENTIALS RESEARCH FILE - NOTE 1/29/1944 2 47270 FOLDER 541 A4148612 41775509081459 CODES CAIRO 7/27/1945 2 47270 FOLDER 541 A4148613 41775539081462 ALLEGED DECIPHERING BY AXIS AGENTS OF TELEGRAM SENT TO WASHINGTON FROM CAIRO 7/25/1942 2 47270 FOLDER 541 A4148618 41775559081464 FOREIGN CRYPTOGRAPHIC POTENTIALS RESEARCH FILE - REPORT 6/19/1945 1

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47270 FOLDER 541 A4148619 41775569081465 FOREIGN CRYPTOGRAPHIC POTENTIALS RESEARCH FILE - NOTE 1/1/1945 1 47270 FOLDER 541 A4148620 41775599081468 FOR CORDERMAN FROM SCHUKRAFT 6/18/1945 2 47270 FOLDER 541 A4148658 41775619081470 LETTER TO FRIEDMAN FROM W. PRESTON CORDERMAN 6/16/1945 1 47270 FOLDER 541 A4148659 41775639081472 GERMAN-SPANISH 11/30/1944 1 47270 FOLDER 541 A4148660 41775669081475 MY TELEGRAM OF 29TH AUGUST 1943 11/1/1943 3 47270 FOLDER 541 A4148661 41775689081477 MY TELEGRAM OF 29TH AUGUST 1943 8/29/1943 1 47270 FOLDER 541 A4148662 41775709081479 MY TELEGRAM OF 29TH AUGUST 1943 8/29/1943 1 47270 FOLDER 541 A4148663 41775739081482 MAILING INSTRUCTIONS 10/7/1943 1 47270 FOLDER 541 A4148664 41775769081485 JAPANESE CRYPTANALYTIC ACTIVITIES 9/2/1944 5 47270 FOLDER 541 A4148665 41775789081487 ROUTING SLIP 8/23/1944 1 47270 FOLDER 541 A4148666 41775809081489 FOREIGN CRYPTANALYTIC WORK (OTHER THAN JAP) 1/1/1944 1 47270 FOLDER 541 A4148667 41775839081491 ROUTING SLIP 8/24/1944 1 47270 FOLDER 541 A4148670 41775849081493 INTERCEPTS 4/14/1944 7 47270 FOLDER 541 A4148671 41775869081495 IN CONNECTION WITH TELEGRAM OF THE 9TH, #S/7A: EVALUATION OF THE REPORT 8/9/1944 2 47270 FOLDER 541 A4148672 41775889081497 POTENTIALS RESEARCH FILE: INTERCEPT 1/14/1945 1 47270 FOLDER 541 A4148673 41775919081500 POTENTIALS RESEARCH FILE: INTERCEPT 6/6/1945 2 47270 FOLDER 541 A4148674 41775949081502 POTENTIALS RESEARCH FILE: INTERCEPT 5/14/1945 1 47270 FOLDER 541 A4148675 41775969081505 POTENTIALS RESEARCH FILE: INTERCEPT 4/22/1944 2 47270 FOLDER 541 A4148676 41775989081506 FROM MR. JEAN MONNET FOR M. MAYER: FOR SOCIAL WELFARE 4/29/1944 1 47270 FOLDER 541 A4148677 41776009081509 POTENTIALS RESEARCH FILE: INTERCEPT 6/10/1944 1 47270 FOLDER 541 A4148678 41776039081512 WAR DEPARTMENT MEMORANDUM REGARDING BRACKETS 1/31/1945 4 47270 FOLDER 541 A4148679 41776049081513 POTENTIALS RESEARCH FILE: INTERCEPT 5/21/1944 1 47270 FOLDER 541 A4148680 41776069081515 POTENTIALS RESEARCH FILE: INTERCEPT 6/23/1944 1 47270 FOLDER 541 A4148682 41776099081518 POTENTIALS RESEARCH FILE: INTERCEPT 5/3/1944 1 47270 FOLDER 541 A4148683 41776109081519 SIM CRYPTOGRAPHY DEPARTMENT 7/31/1944 1 47270 FOLDER 541 A4148684 41776139081522 POTENTIALS RESEARCH FILE: INTERCEPT 5/18/1943 1 47270 FOLDER 541 A4148685 41776159081524 REPORT ON BROKEN US CIPHERS 2/12/1943 2 47270 FOLDER 541 A4148686 41776189081527 POTENTIALS RESEARCH FILE: INTERCEPT 2/4/1943 1 47270 FOLDER 541 A4148688 41776209081529 POTENTIALS RESEARCH FILE: INTERCEPT 2/3/1943 1 47270 FOLDER 541 A4148689 41776229081531 POTENTIALS RESEARCH FILE: INTERCEPT 1/24/1943 1 47270 FOLDER 541 A4148690 41776259081534 POTENTIALS RESEARCH FILE: INTERCEPT 1/24/1943 1 47270 FOLDER 541 A4148692 41776269081535 POTENTIALS RESEARCH FILE: INTERCEPT 1/18/1943 3 47270 FOLDER 541 A4148693 41776289081537 POTENTIALS RESEARCH FILE: NOTES 1/1/1944 1 47270 FOLDER 541 A4148694 41776329081540 POTENTIALS RESEARCH FILE: INTERCEPT 10/15/1942 1 47270 FOLDER 541 A4148695 41776359081544 POTENTIALS RESEARCH FILE: INTERCEPT 3/6/1944 1 47270 FOLDER 541 A4148697 41776399081548 SUMMARY OF OPERATIONS FROM 09 OCT 50 TO 9 NOV 50 11/27/1950 3 47270 FOLDER 541 A4148699 41776439081552 SUMMARY OF DATA CONTAINED IN PSYCHIC PROJECT REPORT ONE 1/1/1950 4 47270 FOLDER 541 A4148704 41776469081555 STUDY OF CRYPTANALYTIC AGENCIES 5/16/1945 6 47270 FOLDER 541 A4148705 41776489081557 EXTRACT FROM MAGIC SUMMARY 4/17/1944 2 47270 FOLDER 541 A4148706 41776519081560 POTENTIALS RESEARCH FILE: INTERCEPT 4/14/1944 1 47270 FOLDER 541 A4148707 41776559081564 POTENTIALS RESEARCH FILE: INTERCEPT 4/6/1944 2 47270 FOLDER 541 A4148709 41776589081567 POTENTIALS RESEARCH FILE: INTERCEPT 4/14/1944 3 47270 FOLDER 541 A4148710 41776639081572 POTENTIALS RESEARCH FILE: INTERCEPT 4/16/1944 2 47270 FOLDER 541 A4148711 41776659081574 POTENTIALS RESEARCH FILE: INTERCEPT 4/18/1944 2 47270 FOLDER 541 A4148712 41776699081577 POTENTIALS RESEARCH FILE: INTERCEPT 4/4/1944 1 47270 FOLDER 541 A4148713 41776749081582 POTENTIALS RESEARCH FILE: INTERCEPT 3/29/1944 1 47270 FOLDER 541 A4148714 41776789081587 POTENTIALS RESEARCH FILE: INTERCEPT 3/29/1944 2 47270 FOLDER 541 A4148715 41776829081591 POTENTIALS RESEARCH FILE: INTERCEPT 3/29/1944 1 47270 FOLDER 541 A4148716 41776869081595 POTENTIALS RESEARCH FILE: INTERCEPT 4/11/1944 1 47270 FOLDER 541 A4148718 41776899081598 POTENTIALS RESEARCH FILE: INTERCEPT 4/5/1944 5

UNCLASSIFIED 28 UNCLASSIFIED

47270 FOLDER 541 A4148719 41776919081600 EXTRACT FROM "MAGIC" SUMMARY 3/19/1944 2 47270 FOLDER 541 A4148720 41776939081602 EXTRACTS FROM "MAGIC" SUMMARY 3/14/1944 3 47270 FOLDER 541 A4148721 41776979081605 INTERCEPT - FRAGMENTARY INTELLIGENCE ON BRITAIN AND THE UNITED STATES (NE INTELLIGENCE) 3/9/1944 3 47270 FOLDER 541 A4148722 41777019081610 INTERCEPT - FRAGMENTARY INTELLIGENCE ON BRITAIN AND THE UNITED STATES (NE INTELLIGENCE) 3/9/1944 2 47270 FOLDER 541 A4148723 41777039081612 POTENTIALS RESEARCH FILE: INTERCEPT 3/10/1944 1 47270 FOLDER 541 A4148724 41777109081619 POTENTIALS RESEARCH FILE: INTERCEPT 2/15/1944 1 47270 FOLDER 541 A4148725 41777129081621 POTENTIALS RESEARCH FILE: INTERCEPT 2/10/1944 2 47270 FOLDER 541 A4148727 41777149081623 POTENTIALS RESEARCH FILE: INTERCEPT 3/18/1944 4 47270 FOLDER 541 A4148728 41777179081626 INTERCEPT - INTELLIGENCE REPORT ON BRITISH AMERICAN RELATIONS ("NE" INTELLIGENCE) 1/29/1944 2 47270 FOLDER 541 A4148729 41777189081627 POTENTIALS RESEARCH FILE: INTERCEPT 3/29/1944 1 47270 FOLDER 541 A4148730 41777199081628 POTENTIALS RESEARCH FILE: INTERCEPT 2/25/1944 2 47270 FOLDER 541 A4148731 41777229081631 POTENTIALS RESEARCH FILE: INTERCEPT 4/3/1944 2 47270 FOLDER 541 A4148732 41777259081634 POTENTIALS RESEARCH FILE: INTERCEPT 1/22/1944 1 47270 FOLDER 541 A4148733 41777269081635 POTENTIALS RESEARCH FILE: INTERCEPT 2/11/1944 1 47270 FOLDER 541 A4148734 41777289081637 POTENTIALS RESEARCH FILE: INTERCEPT 2/21/1944 3 47270 FOLDER 541 A4148735 41777319081640 POTENTIALS RESEARCH FILE: INTERCEPT 4/18/1944 2 47270 FOLDER 541 A4148737 41777349081643 POTENTIALS RESEARCH FILE: INTERCEPT 4/27/1944 1 47270 FOLDER 541 A4148738 41777379081646 POTENTIALS RESEARCH FILE: INTERCEPT 3/21/1944 1 47270 FOLDER 541 A4148739 41777399081648 POTENTIALS RESEARCH FILE: INTERCEPT 3/25/1944 1 47270 FOLDER 541 A4148740 41777439081652 POTENTIALS RESEARCH FILE: INTERCEPT 3/29/1944 1 47270 FOLDER 541 A4148741 41777459081654 POTENTIALS RESEARCH FILE: INTERCEPT 2/18/1944 2 47270 FOLDER 541 A4148742 41777479081656 POTENTIALS RESEARCH FILE: INTERCEPT 1/17/1944 4 47270 FOLDER 541 A4148743 41777519081660 JAPANESE MILITARY ATTACHE HELSINKI TO TOKYO 2/3/1943 1 47270 FOLDER 541 A4148744 41777559081664 POTENTIALS RESEARCH FILE: INTERCEPT 4/4/1944 6 47270 FOLDER 541 A4148745 41777599081668 POTENTIALS RESEARCH FILE: INTERCEPT 11/30/1944 1 47270 FOLDER 541 A4148746 41777629081671 POTENTIALS RESEARCH FILE: INTERCEPT 3/23/1944 1 47270 FOLDER 541 A4148749 41777679081676 INTERCEPTS 11/4/1943 1 47270 FOLDER 541 A4148750 41777709081678 INTERCEPTS FROM TOKYO TO HELSINKI 11/4/1943 1 47270 FOLDER 541 A4148751 41777729081681 INTERCEPTS FROM HELSINKI TO TOKYO AND BUDAPEST 11/4/1943 1 47270 FOLDER 541 A4148752 41777969081704 INTERCEPTS FROM TOKYO TO HELSINKI 10/31/1943 1 47270 FOLDER 541 A4148753 41777989081707 INTERCEPTS FROM HELSINKI TO TOKYO 10/25/1943 2 47270 FOLDER 541 A4148754 41778009081709 INTERCEPTS FROM HELSINKI TO TOKYO 10/27/1943 2 47270 FOLDER 541 A4148755 41778019081710 INTERCEPTS FROM HELSINKI TO TOKYO 10/27/1943 2 47270 FOLDER 541 A4148756 41778029081711 LETTER TELEGRAM FROM LONDON 10/16/1943 1 47270 FOLDER 541 A4148757 41778049081713 LETTER TELEGRAM FROM LONDON 10/21/1943 1 47270 FOLDER 541 A4148758 41778059081714 LETTER TELEGRAM FROM LONDON 10/24/1943 1 47270 FOLDER 541 A4148759 41778069081715 LETTER TELEGRAM FROM LONDON 10/25/1943 1 47270 FOLDER 541 A4148760 41778079081716 LETTER TELEGRAM FROM HELSINKI TO TOKYO 10/12/1943 2 47270 FOLDER 541 A4148761 41778089081717 INTERCEPT FROM TOKYO TO HELSINKI 10/10/1943 1 47270 FOLDER 541 A4148762 41778099081718 INTERCEPT FROM FREEDOM ALGIERS TO ARCODICE 10/8/1943 1 47270 FOLDER 541 A4148763 41778109081719 INTERCEPT FROM HELSINKI TO TOKYO 10/7/1943 1 47270 FOLDER 541 A4148764 41778119081720 INTERCEPT FROM HELSINKI TO TOKYO 9/24/1943 4 47270 FOLDER 541 A4148765 41778129081721 INTERCEPT FROM BERLIN TO TOKYO 9/20/1943 5 47270 FOLDER 541 A4148768 41778139081722 INTERCEPT FROM LISBON TO TOKYO 10/26/1943 3 47270 FOLDER 541 A4148769 41778149081723 INTERCEPT FROM HELSINKI TO TOKYO 10/26/1943 1 47270 FOLDER 541 A4148770 41778159081724 INTERCEPT FROM TOKYO TO LISBON 8/9/1943 1 47270 FOLDER 541 A4148771 41778169081725 INTERCEPT FROM BUDAPEST TO TOKYO 8/7/1943 1 47270 FOLDER 541 A4148772 41778269081737 INTERCEPT FROM HELSINKI TO TOKYO 7/12/1943 2 47270 FOLDER 541 A4148773 41778559081764 INTERCEPT FROM TOKYO TO HELSINKI 6/29/1943 1 47270 FOLDER 541 A4148774 41778709081781 INTERCEPT FROM TOKYO TO HELSINKI 6/18/1943 1

UNCLASSIFIED 29 UNCLASSIFIED

47270 FOLDER 541 A4148775 41778909081799 INTERCEPT FROM HELSINKI TO TOKYO 6/17/1943 1 47270 FOLDER 541 A4148776 41779059081814 INTERCEPT FROM TOKYO TO BUENOS AIRES AND CIRCULAR 6/6/1943 3 47270 FOLDER 541 A4148777 41779179081828 INTERCEPT FROM HELSINKI TO TOKYO 5/29/1943 1 47270 FOLDER 541 A4148778 41779289081837 SECRET MESSAGE FROM TOKYO TO MADRID 5/24/1943 1 47270 FOLDER 541 A4148779 41779389081849 INTERCEPT FROM HELSINKI TO TOKYO 5/17/1943 1 47270 FOLDER 541 A4148780 41779499081858 INTERCEPT FROM PEKING TO TOKYO 5/15/1943 1 47270 FOLDER 541 A4148781 41779589081867 INTERCEPT FROM TOKYO TO HELSINKI 5/11/1943 1 47270 FOLDER 541 A4148782 41779859081894 INTERCEPT FROM HELSINKI TO TOKYO 5/9/1943 1 47270 FOLDER 541 A4148783 41779949081903 INTERCEPT FROM TOKYO TO HELSINKI 5/9/1943 1 47270 FOLDER 541 A4148784 41779969081905 INTERCEPT FROM MADRID TO TOKYO 4/20/1943 2 47270 FOLDER 541 A4148786 41779979081906 INTERCEPT FROM HELSINKI TO TOKYO 4/5/1943 1 47270 FOLDER 541 A4148787 41779989081907 INTERCEPT FROM TOKYO TO HELSINKI 4/5/1943 1 47270 FOLDER 541 A4148788 41779999081908 INTERCEPT FROM TOKYO TO HELSINKI 4/2/1943 2 47270 FOLDER 541 A4148789 41780009081909 INTERCEPT FROM TOKYO TO HELSINKI 3/25/1943 1 47270 FOLDER 541 A4148790 41780019081910 INTERCEPT FROM BUDAPEST TO TOKYO AND CIRCULAR 3/20/1943 1 47270 FOLDER 541 A4148791 41780029081911 INTERCEPT FROM HELSINKI TO TOKYO 3/15/1943 1 47270 FOLDER 541 A4148792 41780039081912 INTERCEPT FROM BUDAPEST TO TOKYO 3/12/1943 1 47270 FOLDER 541 A4148794 41780049081913 INTERCEPT FROM HELSINKI TO TOKYO 3/10/1943 1 47270 FOLDER 541 A4148795 41780059081914 INTERCEPT FROM HSINKING TO HELSINKI 3/8/1943 2 47270 FOLDER 541 A4148796 41780069081915 INTERCEPT FROM HSINKING TO HELSINKI 3/8/1943 2 47270 FOLDER 541 A4148797 41780079081916 INTERCEPT FROM LISBON TO TOKYO 3/5/1943 2 47270 FOLDER 541 A4148798 41780089081917 INTERCEPT FROM TOKYO TO HELSINKI 2/26/1943 2 47270 FOLDER 541 A4148799 41780099081918 INTERCEPT FROM TOKYO TO VICHY 2/17/1943 2 47270 FOLDER 541 A4148800 41780119081920 INTERCEPT FROM BUDAPEST TO TOKYO 2/12/1943 1 47270 FOLDER 541 A4148801 41780179081925 JMA MESSAGE NUMBER 53 FROM JAPANESE MILITARY ATTACHE AT HELSINKI TO TOKYO 2/12/1943 1 47270 FOLDER 541 A4148802 41780189081926 INTERCEPT FROM HELSINKI TO TOKYO 2/10/1943 2 47270 FOLDER 541 A4148803 41780199081927 INTERCEPT FROM TOKYO TO HELSINKI 2/4/1943 1 47270 FOLDER 541 A4148804 41780209081928 INTERCEPT FROM HELSINKI TO TOKYO 2/3/1943 1 47270 FOLDER 541 A4148806 41780219081929 INTERCEPT FROM HELSINKI TO TOKYO 3/1/1943 2 47270 FOLDER 541 A4148808 41780229081930 INTERCEPT FROM HELSINKI TO TOKYO 1/18/1943 2 47270 FOLDER 541 A4148809 41780239081931 INTERCEPT FROM TOKYO TO CIRCULAR 1/17/1943 1 47270 FOLDER 541 A4148810 41780249081932 INTERCEPT FROM HELSINKI TO TOKYO AND BERLIN 1/12/1943 2 47270 FOLDER 541 A4148812 41780259081933 INTERCEPT FROM HELSINKI TO CIRCULAR 1/11/1943 3 47270 FOLDER 541 A4148813 41780269081934 INTERCEPT FROM BERLIN TO TOKYO 12/23/1942 1 47270 FOLDER 541 A4148814 41780279081935 INTERCEPT FROM HELSINKI TO TOKYO 12/20/1942 1 47270 FOLDER 541 A4148816 41780289081936 INTERCEPT FROM BERLIN TO TOKYO 12/19/1942 1 47270 FOLDER 541 A4148819 41780299081937 INTERCEPT FROM HELSINKI TO TOKYO 12/1/1942 3 47270 FOLDER 541 A4148821 41780319081939 INTERCEPT FROM RVZ 11/18/1942 1 47270 FOLDER 541 A4148823 41780329081940 INTERCEPT FROM BERLIN TO TOKYO 10/21/1942 1 47270 FOLDER 541 A4148825 41780339081941 INTERCEPT FROM HELSINKI TO TOKYO 10/19/1942 1 47270 FOLDER 541 A4148826 41780359081943 HOLD NOTE FOR MR. FRIEDMAN FROM BERLIN TO TOKYO 11/16/1944 2 47270 FOLDER 541 A4148827 41780369081944 INTERCEPT FROM TOKYO TO BERLIN AND HELSINKI 10/6/1942 4 47270 FOLDER 541 A4148828 41780379081945 INTERCEPT FROM TOKYO TO BUENOS AIRES 9/23/1942 2 47270 FOLDER 541 A4148829 41780399081947 INTERCEPT FROM TOKYO TO BUENOS AIRES 9/23/1942 1 47270 FOLDER 541 A4148830 41780409081948 INTERCEPT FROM HELSINKI TO TOKYO 7/7/1942 1 47270 FOLDER 541 A4148831 41780419081949 NOTE FROM MR. FRIEDMAN 2/7/1945 1 47270 FOLDER 541 A4148832 41780529081960 INTERCEPT FROM BERLIN TO TOKYO 6/15/1942 1 47270 FOLDER 541 A4148833 41780549081962 INTERCEPT FROM HELSINKI TO TOKYO 5/26/1942 2 47270 FOLDER 541 A4148834 41780569081964 LETTER FROM KOUIBYCHEV TO MILID 5/24/1942 1 47270 FOLDER 541 A4148835 41780599081967 INTERCEPT FROM BERLIN TO TOKYO 1/29/1942 3

UNCLASSIFIED 30 UNCLASSIFIED

47270 FOLDER 541 A4148836 41780739081981 INTERCEPT FROM RVZ 1/23/1942 4 47270 FOLDER 541 A4148837 41780779081984 INTERCEPT FROM HELSINKI TO TOKYO 5/17/1941 2 47270 FOLDER 541 A4148838 41780809081987 INTERCEPT FROM TOKYO TO PEKING 11/22/1941 1 47270 FOLDER 541 A4148839 41780839081990 INTERCEPT FROM PEKING TO TSINGTAO 11/21/1941 1 47270 FOLDER 542 A4148841 41780869081993 INVENTION OF AUTHENTICATING DEVICE FOR COMMERCIAL USAGE 6/8/1944 8 47270 FOLDER 543 A4148844 41780909081996 CALL MEMO FOR CAPTAIN DYER AND MAJOR SULLIVAN 6/5/1951 2 47270 FOLDER 543 A4148845 41780939081999 MEMO ROUTING SLIP ON SYSTEM 7/27/1950 3 47270 FOLDER 543 A4148846 41780979082003 THE HAGELIN-GRETENER CIPHER TELEPRINTER 7/27/1950 7 47270 FOLDER 543 A4148847 41781009082006 THE HAGELIN-GRETENER CIPHER TELEPRINTER 7/27/1950 5 47270 FOLDER 543 A4148848 41781049082013 NUMBERED CIPHER CODES 7/27/1950 13 47270 FOLDER 545 A4148851 41781099082015 RECEIPT OF LETTER IN REFERENCE TO THE JUNKING OF THE OLD PRINTER TELEGRAPH CIPHER MACHINES 6/14/1935 1 47270 FOLDER 545 A4148853 41781119082017 NOTES AND LETTER TO MAJOR WILLIAM P. FRIEDMAN ON OLD PRINTER TELEGRAPH CIPHER MACHINES 6/10/1935 4 47270 FOLDER 545 A4148856 41781159082021 LETTER TO MAJOR WILLIAM P. FRIEDMAN ON "CIPHER PRINTING TELEGRAPH SYSTEMS" 2/13/1926 8 47270 FOLDER 545 A4148857 41781179082023 CIPHER PRINTING TELEGRAPH SYSTEMS 10/26/1935 5 47270 FOLDER 545 A4148858 41781209082026 CIPHER PRINTING TELEGRAPH SYSTEM 6/24/1920 13 47270 FOLDER 545 A4148859 41781229082028 LETTER REGARDING THE QUESTION OF A DISTINGUISHED SERVICE MEDAL FOR COLONEL GEORGE FABYAN 3/21/1922 6 47270 FOLDER 545 A4148860 41781319082037 LETTER TO GENERAL CHURCHILL 3/27/1920 2 47270 FOLDER 545 A4148861 41781339082039 LETTER TO GENERAL CHURCHILL 3/22/1920 2 47270 FOLDER 545 A4148862 41781349082040 LETTER ON PROPOSED MODIFICATIONS OF THE METHOD USED BY THE AT & T CIPHER PRINTING MACHINE 3/22/1920 2 47270 FOLDER 545 A4148863 41781379082043 LETTER ADDRESSED TO COLONEL FABYAN 12/29/1919 1 47270 FOLDER 545 A4148864 41781409082047 LETTER TO COLONEL FABYAN 12/10/1919 3 47270 FOLDER 545 A4148865 41781439082049 LETTER TO COLONEL MAUBORGNE 12/3/1919 1 47270 FOLDER 545 A4148866 41781459082051 LETTER TO COLONEL FABYAN ON 150 CIPHER TAPES 10/6/1919 2 47270 FOLDER 545 A4148867 41781479082053 LETTER TO COLONEL FABYAN 11/28/1919 1 47270 FOLDER 545 A4148868 41781499082055 LETTER TO COLONEL FABYAN 12/10/1919 3 47270 FOLDER 545 A4148872 41781519082057 LETTER TO GENERAL CHURCHILL ON RIVERBANK CONFERENCE 8/19/1919 2 47270 FOLDER 545 A4148873 41781529082058 LETTER TO MAJOR CROCKETT 8/19/1919 2 47270 FOLDER 545 A4148874 41781549082060 LETTER TO GENERAL CHURCHILL 8/6/1919 3 47270 FOLDER 545 A4148875 41781559082061 LETTER TO COLONEL MAUBORGNE 3/27/1919 2 47270 FOLDER 545 A4148877 41781579082063 LETTER TO COLONEL MAUBORGNE 4/11/1919 2 47270 FOLDER 545 A4148880 41781589082064 THE DEVELOPMENT OF AN INDECIPHERABLE PRINTING-TELEGRAPH FOR MILITARY PURPOSES 9/11/1918 2 47270 FOLDER 545 A4148881 41781599082065 LETTER TO GENERAL SQUIER ON SUSPENSION OF ALL OPERATIONS FOR SIGNAL CORPS 10/1/1919 1 47270 FOLDER 545 A4148882 41781619082067 PRINTING TELEGRAPH CIPHER 9/30/1919 4 47270 FOLDER 545 A4148883 41781649082070 LETTER TO COLONEL GEORGE FABYAN 9/29/1919 1 47270 FOLDER 545 A4148884 41781669082072 WESTERN UNION TELEGRAM TO GENERAL SQUIER 9/19/1919 1 47270 FOLDER 545 A4148885 41781689082075 PRINTING TELEGRAPH CIPHERS 9/24/1919 10 47270 FOLDER 545 A4148886 41781729082078 MEMORANDUM TO COLONEL FABYAN 9/2/1919 2 47270 FOLDER 545 A4148887 41781759082081 LETTER TO GENERAL SQUIER 8/31/1919 2 47270 FOLDER 545 A4148888 41781799082085 TELEGRAM TO COLONEL GEORGE FABYAN 8/30/1919 1 47270 FOLDER 545 A4148889 41781839082089 WESTERN UNION TELEGRAM TO GENERAL SQUIER 8/11/1929 1 47270 FOLDER 545 A4148890 41781869082092 TELEGRAM TO COLONEL GEORGE FABYAN ON CIPHER MACHINE 8/28/1919 1 47270 FOLDER 545 A4148891 41781919082097 LETTER TO COLONEL FABYAN 8/26/1919 1 47270 FOLDER 545 A4148892 41781949082100 LETTER TO GENERAL CHURCHILL 8/21/1919 1 47270 FOLDER 545 A4148893 41781979082103 LETTER TO GENERAL CHURCHILL 8/20/1919 3 47270 FOLDER 545 A4148894 41782009082106 LETTER TO GEORGE FABYAN 8/16/1919 1 47270 FOLDER 545 A4148895 41782039082109 TELEGRAM TO COLONEL GEORGE FABYAN 8/15/1919 1 47270 FOLDER 545 A4148896 41782069082112 LETTER TO COLONEL FABYAN ON THE AT & T CIPHER MACHINE 8/15/1919 2 47270 FOLDER 545 A4148897 41782089082114 LETTER TO GENERAL CHURCHILL 8/14/1919 2 47270 FOLDER 545 A4148898 41782119082117 TELEGRAM TO MAJOR H.O. YARDLEY 7/30/1919 1 47270 FOLDER 545 A4148900 41782139082119 TELEGRAM TO GEORGE FABYAN 7/28/1919 1

UNCLASSIFIED 31 UNCLASSIFIED

47270 FOLDER 545 A4148901 41782159082121 LETTER TO GENERAL CHURCHILL 7/28/1919 1 47270 FOLDER 545 A4148902 41782199082125 LETTER TO GEORGE FABYAN ON AT & T CIPHER 7/1/1919 3 47270 FOLDER 545 A4148903 41782219082127 LETTER TO MR. GEORGE FABYAN CONCERNING AMERICAN TELEPHONE AND TELEGRAPH COMPANY CIPHER 7/26/1919 1 47270 FOLDER 545 A4148904 41782249082130 LETTER TO MR. GEORGE FABYAN 7/25/1919 1 47270 FOLDER 545 A4148905 41782279082133 PRINTING TELEGRAPH CIPHER ARRANGEMENT 7/14/1919 6 47270 FOLDER 545 A4148907 41782469082152 REPORT ON CIPHER PRINTER TELEGRAPH 7/11/1919 2 47270 FOLDER 545 A4148908 41787049082605 LETTER TO COLONEL FABYAN ON THE AT & T CIPHER PRINTING TELEGRAPH SYSTEM 7/6/1919 1 47270 FOLDER 545 A4148909 41782749082180 LETTER TO COLONEL FABYAN 6/25/1919 3 47270 FOLDER 545 A4148910 41782869082192 LETTER TO MR. BANCROFT GHERARDI 6/17/1919 1 47270 FOLDER 545 A4148911 41782889082194 LETTER TO COLONEL GEORGE FABYAN 6/12/1919 1 47270 FOLDER 545 A4148912 41782909082196 LETTER TO COLONEL FABYAN 6/5/1919 1 47270 FOLDER 545 A4148913 41782939082199 LETTER TO CAPTAIN FERRELL 5/21/1919 1 47270 FOLDER 545 A4148915 41782969082202 REPORT BY CAPTAIN J.A. POWELL TO THE M.I.D. ON THE ABILITY OF RIVERBANK TO DECIPHER MESSAGES OF THE A.T. & T. CIPHER SYSTEM 5/13/1919 3 47270 FOLDER 545 A4148916 41782989082204 THE AMERICAN TELEPHONE AND TELEGRAPH CIPHER SYSTEM 4/22/1919 1 47270 FOLDER 545 A4148917 41783019082207 THE BREAKING OF THE PRINTING TELEGRAPH CIPHER 4/17/1919 1 47270 FOLDER 545 A4148918 41783039082209 GENERAL DOWLING MARCHING ORDERS 4/14/1919 1 47270 FOLDER 545 A4148919 41783069082212 THE T. AND T. CIPHER 4/12/1919 1 47270 FOLDER 545 A4148920 41783099082215 PRINTING TELEGRAPH CIPHER ARRANGEMENT 4/7/1919 1 47270 FOLDER 545 A4148922 41783129082218 LETTER TO CAPTAIN JOHN MANLY 4/5/1919 2 47270 FOLDER 545 A4148923 41783159082221 MEMORANDUM FOR M.I.D., GENERAL STAFF, ATTENTION CAPTAIN MANLEY ON THE PRINTING TELEGRAPH CIPHER APPARATUS BY THE A.T. AND T. COMPANY 4/2/1919 1 47270 FOLDER 545 A4148924 41783179082223 THE T. AND T. CIPHER SYSTEM 4/1/1919 4 47270 FOLDER 545 A4148925 41783209082225 THE CIPHERS SENT FOR PREPARATION ON THE CIPHER PRINTING TELEGRAPH DEVICE 3/31/1919 1 47270 FOLDER 545 A4148926 41783229082227 LETTER TO COLONEL MAUBORGNE 3/29/1919 3 47270 FOLDER 545 A4148927 41783249082229 TRANSLATED MESSAGES PREPARED BY THE AMERICAN TELEGRAPH AND TELEPHONE COMPANY ON THE CIPHER PRINTING TELEGRAPH APPARATUS 3/29/1919 2 47270 FOLDER 545 A4148928 41783269082231 PRINTING TELEGRAPH CIPHER MESSAGE 3/29/1919 2 47270 FOLDER 545 A4148929 41783299082235 LETTER TO COLONEL J.O. MAUBORGNE 3/29/1919 3 47270 FOLDER 545 A4148930 41783309082236 LETTER TO COLONEL FABYAN 3/12/1919 2 47270 FOLDER 545 A4148931 41783329082238 LETTER TO COLONEL FABYAN 2/18/1919 2 47270 FOLDER 545 A4148932 41783349082240 LETTER TO COLONEL MAUBORGNE IN REFERENCE TO CIPHERING MACHINE 3/27/1919 5 47270 FOLDER 545 A4148933 41783369082242 CIPHER PRINTER, A.T. AND T. CO 8/9/1918 3 47270 FOLDER 545 A4148934 41783459082251 CIPHERED MESSAGES PREPARED FOR COL. FABYAN OF CHICAGO 6/7/1918 27 47270 FOLDER 546 A4148935 41783489082254 MEMORANDUM FOR MAJOR BENDER ON THE MODIFICATIONS PROPOSED FOR MAKING THE PRINTING TELEGRAPH CIPHER SAFE FOR THE USE OF THE ARMY 9/12/1921 22 47270 FOLDER 546 A4148936 41783509082256 CHARTS ON CIPHERED CODES 9/12/1921 3 47270 FOLDER 546 A4148937 41783519082257 MULTIPLEX PERFORATOR TAPE 9/12/1921 1 47270 FOLDER 546 A4148938 41783529082258 KEY TAPES PAPER 9/12/1921 5 47270 FOLDER 546 A4148939 41783539082259 REGULATIONS FOR THE TEST OF THE PRINTING TELEGRAPH CIPHER 9/25/1918 3 47270 FOLDER 546 A4148941 41783559082261 OPERATING INSTRUCTIONS FOR LOCAL OPERATING SETS 9/25/1918 5 47270 FOLDER 546 A4148942 41783579082263 OPERATING INSTRUCTIONS FOR LINE OPERATING SETS 9/25/1918 3 47270 FOLDER 546 A4148943 41783599082265 OPERATION OF CIPHER PRINTING TELEGRAPH APPARATUS 9/25/1918 3 47270 FOLDER 546 A4148945 41783619082267 REGULATIONS FOR THE TEST OF THE PRINTING TELEGRAPH CIPHER 9/25/1918 2 47270 FOLDER 546 A4148946 41783639082269 CIPHER PRINTING TELEGRAPH 10/26/1918 2 47270 FOLDER 546 A4148947 41783659082271 MEMORANDUM FRO LT. COL. J.O. MAUBORGNE ON MECHANICAL FOUR UNIT CIPHERING DEVICE 11/26/1918 3 47270 FOLDER 547 A4148948 41783689082276 CAN CRYPTOLOGIC HISTORY REPEAT ITSELF? BY WILLIAM P. FRIEDMAN 7/21/1948 138 47270 FOLDER 029 A4158304 41699169073850 LETTER FROM ROBERTSON TO GENERAL WALSH 8/4/1953 1 47270 FOLDER 029 A4158305 41699179073851 LETTER FROM GENERAL CANINE TO QUARLES 9/23/1953 1 47270 FOLDER 029 A4158306 41699199073853 LETTER FROM LTG CANINE TO WILKS 12/9/1953 1 47270 FOLDER 029 A4158307 41699209073854 LETTER FROM ROBERTSON TO GENERAL BURGEES 8/4/1953 1 47270 FOLDER 028 A4158308 41699229073856 LETTER FROM LTG CANINE TO COLIBOHN 10/21/1953 1 47270 FOLDER 028 A4158309 41699249073858 LETTER FROM FRIEDMAN TO DEAN POST 9/23/1953 1 47270 FOLDER 028 A4158310 41699269073860 LETTER FROM FRIEDMAN T WEAVER 9/23/1953 1

UNCLASSIFIED 32 UNCLASSIFIED

47270 FOLDER 028 A4158311 41699279073861 LETTER FROM LTG CANINE TO DUMAY 12/22/1953 2 47270 FOLDER 030 A4158313 41699289073862 LETTER FROM FRIEDMAN TO ARTHUR HORTEN JR 4/15/1954 1 47270 FOLDER 030 A4158314 41699299073863 LETTER FROM FRIEDMAN TO ENGSTROM 4/15/1954 1 47270 FOLDER 030 A4158315 41699309073864 LETTER FROM FRIEDMAN TO MILLAR 4/14/1954 1 47270 FOLDER 030 A4158316 41699319073865 LETTER FROM FRIEDMAN TO DUMEY 4/14/1954 1 47270 FOLDER 030 A4158317 41699329073866 LETTER FROM FRIEDMAN TO BAKER 4/14/1954 1 47270 FOLDER 030 A4158318 41699339073867 LETTER FROM FRIEDMAN TO ENGSTROM 4/14/1954 1 47270 FOLDER 030 A4158319 41699349073868 LETTER FROM FRIEDMAN TO DUNWELL 4/14/1954 1 47270 FOLDER 030 A4158320 41699359073869 LETTER FROM FRIEDMAN TO ALBERT 4/14/1954 1 47270 FOLDER 030 A4158321 41699369073870 LETTER FROM FRIEDMAN TO TUKEY 4/14/1954 1 47270 FOLDER 030 A4158322 41699379073871 LETTER FROM FRIEDMAN TO BEVERAGE 4/14/1954 1 47270 FOLDER 030 A4158323 41699399073873 LETTER FROM FRIEDMAN TO PALMER 4/13/1954 1 47270 FOLDER 030 A4158324 41699409073874 LETTER FROM FRIEDMAN TO SAMUEL 4/13/1954 1 47270 FOLDER 030 A4158325 41699439073877 LETTER FROM FRIEDMAN TO COOMBS 4/13/1954 1 47270 FOLDER 030 A4158326 41699449073878 LETTER FROM FRIEDMAN TO HALL 4/13/1954 1 47270 FOLDER 030 A4158327 41699459073879 LETTER FROM FRIEDMAN TO ROBERTSON 4/13/1954 1 47270 FOLDER 030 A4158328 41699479073881 LETTER FROM FRIEDMAN TO GLEASON 4/13/1954 1 47270 FOLDER 030 A4158329 41699489073882 LETTER FROM FRIEDMAN TO VON NEUMANN 4/13/1954 1 47270 FOLDER 030 A4158330 41699509073884 LETTER FROM FRIEDMAN TO BG RIVES 4/13/1954 1 47270 FOLDER 030 A4158331 41699519073885 LETTER FROM FRIEDMAN TO WILLIAMS 4/13/1954 1 47270 FOLDER 030 A4158332 41699529073886 LETTER FROM FRIEDMAN TO MILLER 4/13/1954 1 47270 FOLDER 030 A4158333 41699549073888 LETTER FROM FRIEDMAN TO WILKS 4/13/1954 1 47270 FOLDER 030 A4158334 41699559073889 LETTER FROM FRIEDMAN TO CAIRNS 4/13/1954 1 47270 FOLDER 030 A4158716 41699579073891 LETTER FROM FRIEDMAN TO QUARLES 4/13/1954 1 47270 FOLDER 030 A4158717 41699589073893 LETTER FROM FRIEDMAN TO BAKER 4/13/1954 1 47270 FOLDER 030 A4158718 41699619073895 LETTER FROM FRIEDMAN TO VON NEUMANN 4/13/1954 1 47270 FOLDER 030 A4158719 41699629073896 LETTER FROM FRIEDMAN TO ENGSTROM 4/13/1954 1 47270 FOLDER 030 A4158722 41699649073898 LETTER FROM FRIEDMAN TO MCPHERSON 4/13/1954 1 47270 FOLDER 030 A4158723 41699669073900 LETTER FROM FRIEDMAN TO CORWITH 4/13/1954 1 47270 FOLDER 030 A4158724 41699699073903 LETTER FROM FRIEDMAN TO BAKER 4/13/1954 1 47270 FOLDER 030 A4158726 41699709073904 LETTER FROM FRIEDMAN TO CAIRNS 4/13/1954 1 47270 FOLDER 030 A4158728 41699729073906 LETTER FROM FRIEDMAN TO WILKS 4/13/1954 1 47270 FOLDER 030 A4158729 41699749073908 LETTER FROM FRIEDMAN TO ROBERTSON 4/13/1954 1 47270 FOLDER 030 A4158734 41699859073918 LETTER FROM FRIEDMAN TO QUARLES 4/13/1954 1 47270 FOLDER 030 A4158736 41699879073920 LETTER FROM FRIEDMAN TO MCPHERSON 4/13/1954 1 47270 FOLDER 030 A4158737 41699899073922 LETTER FROM FRIEDMAN TO ENGSTROM 4/13/1954 1 47270 FOLDER 030 A4158740 41699919073924 LETTER FROM FRIEDMAN TO VON NEUMANN 4/13/1954 1 47270 FOLDER 030 A4158741 41699929073925 LETTER FROM MCPHERSON TO HOWARD 4/2/1954 1 47270 FOLDER 030 A4158742 41699939073926 LETTER FROM MCPHERSON TO SHANNON 4/2/1954 1 47270 FOLDER 030 A4158743 41699959073928 LETTER FROM MCPHERSON TO FORRESTER 4/2/1954 1 47270 FOLDER 030 A4158746 41699979073930 LETTER FROM MCPHERSON TO DUNWELL 4/2/1954 1 47270 FOLDER 030 A4158747 41699989073931 LETTER FROM MCPHERSON TO VON NEUMANN 4/2/1954 1 47270 FOLDER 030 A4158748 41700009073933 LETTER FROM FRIEDMAN TO SUITS 3/31/1954 1 47270 FOLDER 030 A4158751 41700029073934 LETTER FROM FRIEDMAN TO SAMUEL 3/16/1954 1 47270 FOLDER 030 A4158752 41700049073937 LETTER FROM FRIEDMAN TO MENSEL 2/9/1954 1 47270 FOLDER 030 A4158753 41700199073951 LETTER FROM LTG CANINE TO MCRAE 2/1/1954 2 47270 FOLDER 030 A4158754 41700209073953 LETTER FROM TRADUP TO CANINE 2/19/1954 1 47270 FOLDER 030 A4158757 41700239073956 LETTER FROM LTG CANINE TO DESCH 2/5/1954 2 47270 FOLDER 030 A4158758 41700249073957 LETTER FROM FRIEDMAN TO ROBERTSON 3/9/1954 1 47270 FOLDER 030 A4158759 41700279073960 LETTER FROM FRIEDMAN TO VON NEUMANN 3/4/1954 2

UNCLASSIFIED 33 UNCLASSIFIED

47270 FOLDER 030 A4158761 41700289073961 LETTER FROM FRIEDMAN TO ROBERTSON 2/26/1954 1 47270 FOLDER 030 A4158763 41700319073964 LETTER FROM LTG CANINE TO BG RIVES 2/17/1954 1 47270 FOLDER 030 A4158767 41700329073965 LETTER FROM LTG CANINE TO COOMBS 2/15/1954 1 47270 FOLDER 030 A4158773 41700349073967 LETTER FROM LTG CANINE TO HOWARD 2/15/1954 1 47270 FOLDER 030 A4158775 41700379073970 LETTER FROM LTG CANINE TO TUKEY 2/15/1954 1 47270 FOLDER 030 A4158776 41700389073971 LETTER FROM FRIEDMAN TO BAKER 2/11/1954 1 47270 FOLDER 030 A4158778 41700419073974 LETTER FROM FRIEDMAN TO VON NEUMANN 2/11/1954 1 47270 FOLDER 030 A4158779 41700439073975 LETTER FROM FRIEDMAN TO CORWITH 2/11/1954 1 47270 FOLDER 030 A4158780 41700459073978 LETTER FROM FRIEDMAN TO ENGSTROM 2/11/1954 1 47270 FOLDER 030 A4158781 41700499073982 LETTER FROM LTG CANINE TO VON NEUMANN 2/10/1954 1 47270 FOLDER 030 A4158782 41700469073979 LETTER FROM LTG CANINE TO BLACKWELL 2/10/1954 1 47270 FOLDER 030 A4158783 41700519073983 LETTER FROM LTG CANINE TO HALL 2/10/1954 1 47270 FOLDER 030 A4158785 41700539073986 LETTER FROM LTG CANINE TO WILKS 2/10/1954 1 47270 FOLDER 030 A4158786 41700549073987 LETTER FROM LTG CANINE TO ROBERTSON 2/9/1954 2 47270 FOLDER 030 A4158791 41700579073990 LETTER FROM LTG CANINE TO CORWITH 2/9/1954 2 47270 FOLDER 030 A4158792 41700589073991 LETTER FROM CAIRNS TO DUNWELL 2/5/1954 1 47270 FOLDER 030 A4158793 41700619073994 LETTER FROM FRIEDMAN TO WILLIAMS 2/8/1954 1 47270 FOLDER 033 A4158794 41700629073995 LETTER FROM FRIEDMAN TO HORTON 2/16/1955 1 47270 FOLDER 033 A4158795 41700649073997 LETTER FROM FRIEDMAN TO VON NEUMANN 2/16/1955 1 47270 FOLDER 033 A4158796 41700669073999 LETTER FROM FRIEDMAN TO CORWITH 2/16/1955 1 47270 FOLDER 033 A4158797 41700679074000 LETTER FROM FRIEDMAN TO WILKS 2/16/1955 1 47270 FOLDER 033 A4158798 41700689074001 FRIEDMAN'S BOOK LENDING AND A PREHISTORIC MEXICAN AX 1/1/1955 1 47270 FOLDER 038 A4158800 41700699074002 NSA PERSONNEL PROBLEMS 6/7/1954 16 47270 FOLDER 038 A4158802 41700719074004 NSA PERSONNEL PROBLEMS 4/16/1954 34 47270 FOLDER 038 A4158803 41700739074006 PARAPHRASED EXTRACTS FROM A PAPER BY THE HON. H. STRUVE HENSEL 1/1/1954 6 47270 FOLDER 066 A4161572 41705899074521 PATIENT APPLICATION OF WILLIAM F. FRIEDMAN, SN 478, 193 10/11/1946 1 47270 FOLDER 066 A4161573 41705929074524 APPLICATIONS OF WILLIAM F. FRIEDMAN, S.N. 478, 868 AND 478, 193 9/8/1947 6 47270 FOLDER 067 A4161575 41705959074527 ROUTING AND WORK SHEET 9/2/1936 1 47270 FOLDER 068 A4161576 41705979074529 SCHEMATIC REPRESENTATION OF "SYSTEM AND MEANS FOR ENCIPHERING AND DECIPHERING MAGNETICALLY RECORDED SIGNALS"; INVENTED BY: WILLIAM F FRIEDMAN, HAROLD MILLER5/23/1936 5 47270 FOLDER 072 A4161577 41706009074532 CRYPTOGRAPHIC APPARATUS 12/13/1938 24 47270 FOLDER 072 A4161578 41706059074536 W.F. FRIEDMAN PRINTING TELEGRAPH SYSTEM 3/24/1925 13 47270 FOLDER 072 A4161579 41706129074544 W.F. FRIEDMAN FACSIMILE ENCIPHERING SYSTEM 5/15/1951 71 47270 FOLDER 073 A4161580 41706189074550 H.R. 639 4/4/1955 11 47270 FOLDER 073 A4161581 41706219074552 H.R. 286 1/5/1955 8 47270 FOLDER 073 A4161582 41706239074555 H.R. 2068 1/11/1955 7 47270 FOLDER 073 A4161583 41706259074557 S. 116 1/6/1955 9 47270 FOLDER 074 A4161584 41706289074560 S. 1827 12/8/1951 11 47270 FOLDER 074 A4161585 41706309074562 A PROPOSED GOVERNMENT INCENTIVES, AWARDS AND REWARDS PROGRAM 3/10/1952 17 47270 FOLDER 074 A4161586 41706329074564 H.R. 7316 - S 2840 3/31/1952 11 47270 FOLDER 074 A4161587 41706339074565 H.R. 7316 5/24/1952 12 47270 FOLDER 074 A4161588 41706349074566 PATENTS - INVENTIONS, PATENTS AND PATENT INFRINGEMENT CLAIMS 10/23/1951 4 47270 FOLDER 074 A4161589 41706359074567 PALMER IS SWORN IN AS PATENTS BOARD HEAD 6/20/1950 1 47270 FOLDER 074 A4161590 41706369074568 THE NATIONAL ARCHIVES OF THE UNITED STATES FEDERAL REGISTER VOLUME 12 NUMBER 118 TITLE 3 - THE PRESIDENT EXECUTIVE ORDER 9865 6/17/1947 3 47270 FOLDER 074 A4161592 41706379074569 FEDERAL REGISTER, VOLUME 15, NUMBER 16, EXECUTIVE ORDER 10096 1/25/1950 7 47270 FOLDER 074 A4161593 41706389074570 PUBLIC LAW 256 - 82D CONGRESS CHAPTER 4 - 2D SESSION H.R. 4687 2/1/1952 3 47270 FOLDER 074 A4161595 41706399074571 ARMY REGULATIONS NO. 825-20 10/23/1951 4 47270 FOLDER 074 A4161596 41706409074572 BULLETIN NO. 10 7/11/1947 5 47270 FOLDER 074 A4161597 41706459074577 RULES AND REGULATIONS 8/29/1951 4 47270 FOLDER 074 A4161598 41706499074581 PROCEDURAL INSTRUCTIONS FOR SUBMITTING THE REPORTS SPECIFIED IN ADMINISTRATIVE ORDER NO. 5 4/26/1951 3 47270 FOLDER 074 A4161599 41706559074588 FOREIGN PATENT PROTECTION PROCEDURE 3/12/1951 5

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47270 FOLDER 074 A4161600 41706609074593 INTERIM RULES AND REGULATIONS FOR THE ADMINISTRATION OF A UNIFORM PATENT POLICY FOR THE GOVERNMENT 9/6/1950 7 47270 FOLDER 074 A4161601 41706709074604 RULES AND REGULATIONS FOR THE ADMINISTRATION OF A UNIFORM PATENT POLICY WITH RESPECT TO THE DOMESTIC RIGHTS IN INVENTIONS MADE BY GOVERNMENT EMPLOYEES4/26/1951 6 47270 FOLDER 074 A4161603 41706789074610 FEDERAL REGISTER VOLUME 16 NUMBER 86 5/3/1951 6 47270 FOLDER 074 A4161605 41706809074612 EXECUTIVE ORDER 10096 1/27/1950 2 47270 FOLDER 084 A4161606 41706829074614 DEPARTMENT OF COMMERCE LETTER TO WILLIAM F. FRIEDMAN 6/18/1940 1 47270 FOLDER 088 A4161609 41706849074616 CRYPTOGRAPH DESCRIPTION 1/1/1940 11 47270 FOLDER 090 A4161610 41706899074621 VISIT TO HAGELIN LABORATORIES 6/12/1946 1 47270 FOLDER 094 A4161636 41709379074869 MARCH 15 NOTE TO CALL FISHER RE BUDGET 3/15/1954 1 47270 FOLDER 094 A4161637 41709419074874 MEMORANDUM CONCERNING A BILL FOR THE RELIEF OF WILLIAM F. FRIEDMAN 8/21/1950 47 47270 FOLDER 100 A4161638 41709499074881 CIRCUITS AND OPERATION OF E.P.C. LOCAL BURGLAR ALARM SYSTEM AS PROPOSED FOR UNITED STATES WAR DEPARTMENT SIGNAL GROUPS 2/8/1940 26 47270 FOLDER 112 A4161639 41709559074886 MEMO ROUTING SLIP TO CAPTAIN HARPER WITH HOT SHOPPES MENU 9/17/1951 6 47270 FOLDER 114 A4161641 41709589074890 NEGATIVES OF EARLY DEVELOPMENT MODELS ECM MARCH 1 & 2 2/24/1945 6 47270 FOLDER 116 A4161642 41709659074899 REQUEST FOR CLEARANCE 10/3/1947 17 47270 FOLDER 119 A4161643 41709709074902 MEMO ON CH, PLANS & OPERATIONS ADD NEW CLAIMS 4/16/1947 3 47270 FOLDER 132 A4161646 41785579082458 BRIEF DESCRIPTION OF A CRYPTOGRAPHIC SYSTEM AND MACHINE EMPLOYING A SINGLE, APERIODICALLY-DISPLACED CIPHER COMMUNICATOR 1/1/1950 2 47270 FOLDER 070 A4161814 41785499082451 CRYPTOGRAPHIC MACHINE DESCRIPTION 1/1/1940 47 47270 FOLDER 312 A4162949 41785389082440 COMPROMISE OF COMINT MATERIAL 6/24/1954 2 47270 FOLDER 347 A4162950 41785209082422 MAPS OF FORT MEADE 1/1/1953 4 47270 FOLDER 368 A4162951 41785229082424 LETTER FROM PATTON TO FRIEDMAN 12/28/1954 1 47270 FOLDER 370 A4162952 41785179082419 MEMO ROUTING SLIP TO MR. FRANCIS RUPP 3/16/1954 1 47270 FOLDER 371 A4162953 41785259082427 RELEASE OF M-359S TO THE FRENCH 1/12/1954 2 47270 FOLDER 371 A4162955 41785169082418 LIST OF NUMBERS 1/12/1954 1 47270 FOLDER 376 A4162957 41785409082441 MEMO ROUTING SLIP TO DR. LIEBLER WITH NEWSPAPER ARTICLE "MATTER OF FACT THE RACE WE MUST WIN" 1/24/1955 2 47270 FOLDER 377 A4163740 41785279082429 NEWSPAPER ARTICLES 10/6/1954 3 47270 FOLDER 377 A4163741 41785339082434 NEWSPAPER ARTICLES 3/17/1954 4 47270 FOLDER 377 A4163742 41785289082430 TRUCE FAILS TO REDUCE FLOW OF SOVIET ARMS TO RED CHINA 8/9/1953 1 47270 FOLDER 377 A4163743 41785619082463 NATO HELD ABLE TO STALL INVASION 6/10/1953 1 47270 FOLDER 377 A4163744 41785349082435 U.S. LISTENING UNIT TO HAVE NEW HOME 6/9/1953 1 47270 FOLDER 377 A4163745 41785449082445 SECURITY AGENCY AT FT MEADE TO COST $30 MILLION 5/3/1953 1 47270 FOLDER 377 A4163746 41785549082455 NEWSPAPER ARTICLES 1/19/1951 5 47270 FOLDER 377 A4163747 41785469082447 NEWS RELEASE 8/16/1950 1 47270 FOLDER 377 A4163748 41785439082444 NEWSPAPER ARTICLES 8/15/1948 5 47270 FOLDER 392 A4163749 41785559082456 SPECIAL CRYPTOLOGIC ADVISORY GROUP (SCAG) AGENDA FOR SECOND CONFERENCE OF SCAG 7/10/1951 14 47270 FOLDER 392 A4163750 41785539082454 SCAG REPORT 4/29/1952 4 47270 FOLDER 392 A4163751 41785609082461 ABBREVIATED HISTORY OF SPECIAL CRYPTOLOGIC ADVISORY GROUP (SCAG) 9/12/1951 12 47270 FOLDER 402 A4163754 41785519082452 REPORT FROM SUSLO LONDON TO USCIB COORDINATOR 8/2/1951 1 47270 FOLDER 402 A4163755 41785599082460 REPORT FROM USCIB COORDINATOR TO SUSLO LONDON 7/30/1951 1 47270 FOLDER 404 A4163756 41785589082459 SENT TO THE FOLLOWING FOR INFO. COL. SEARS, P&P DIV., COL, MARCY, MR. FRIEDMAN 1/1/1951 1 47270 FOLDER 426 A4164129 41785319082432 FOLDER COVER 1/1/1951 1 47270 FOLDER 460 A4164130 41785299082431 ROUTING SLIP; NOTE 11/16/1944 2 17264 FOLDER 467 A4164177 41789569082856 FOREIGN AFFAIRS 5/20/1939 2 17264 ACC17264 A4164178 41789589082858 CRYPTO MACHINE DRAWINGS 1/1/1940 7 47270 FOLDER 148 A42817 41787079082608 NEWSPAPER: HOLLAND REITERATES ATTACK ON TRIBUNE, PATTERSON PAPERS; WASHINGTON (DC) STAR ARTICLE 9/1/1942 2 47270 FOLDER 148 A42818 41712479075177 NEW BRITISH ENVOY WAS LUCID IN APPRAISAL OF ANGLE-RUSS TIE; WASHINGTON (DC) DAILY NEWS ARTICLE 1/31/1946 1 47270 FOLDER 148 A42819 41712509075181 NAZIS BROKE SPY CODE, LURED 40 INTO TRAP; NEW YORK TIMES 7/14/1946 1 47270 FOLDER 148 A42820 41712549075184 ARMS FLOW TO CHINA GOES ON AFTER TRUCE; WASHINGTON (DC) POST ARTICLE 8/8/1953 1 47270 FOLDER 148 A42843 41712579075188 EXCERPTS FROM "THE SECRET SERVICE OF AMERICA"; CODES AND CIPHERS 1/1/1950 7 47270 FOLDER 148 A42847 41712619075192 INVITATION TO DISASTER; WASHINGTON STAR ARTICLE 12/24/1950 1 47270 FOLDER 148 A42848 41712649075195 FRIEDMAN COMMENT TO ADM FROST ON CRYPTOGRAPHIC MATTERS 10/7/1954 2 47270 FOLDER 148 A42855 41712709075201 WAS THE ATTACK ON PEARL HARBOR A SURPRISE?; TRANSCRIPT FOR A TELEVISION PROGRAM - FACTS FORUM TELECAST 10/5/1954 16

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47270 FOLDER 148 A42860 41712739075204 NEWSPAPER: "INTELLIGENCE SERVICE IS OUR FIRST WEAK SPOT"; PHILADELPHIA INQUIRER ARTICLE 8/2/1950 3 47270 FOLDER 148 A42872 41712889075219 DRAFT WRITE-UP OF COMMUNICATIONS INTELLIGENCE OBJECTIVES 1/1/1950 21 47270 FOLDER 148 A42878 41712909075221 OBSERVATIONS REGARDING THE KOREAN SITUATION (DRAFT); WHY WAS IT POSSIBLE FOR PEARL HARBOR TO OCCUR? 7/1/1950 9 47270 FOLDER 148 A42886 41713319075262 BUSH, EISENHOWER CRITIQUES DRAW OPPOSITE REACTIONS IN PENTAGON; WASHINGTON STAR ARTICLE 10/5/1952 1 47270 FOLDER 148 A42894 41713439075275 IS IT IMMORAL TO STRIKE FIRST IF ATTACK IS IMMINENT; WASHINGTON STAR ARTICLE WRITTEN BY EDMUND WALSH, VICE PRESIDENT GEORGETOWN UNIVERSITY 12/24/1950 1 47270 FOLDER 148 A42901 41713499075280 NEWSPAPER: "PAPER CURTAIN FOR CHINESE REDS"; THE WASHINGTON POST ARTICLE BY DREW PEARSON 12/12/1950 1 47270 FOLDER 148 A42905 41713549075284 TODAY AND TOMORROW - IKE AND THE PENTAGON; WASHINGTON POST ARTICLE - WALTER LIPPMAN 10/1/1952 1 47270 FOLDER 148 A42910 41713599075289 PERSONAL NOTE REGARDING CONSOLIDATION OF CI ACTIVITIES 1/1/1952 4 47270 FOLDER 148 A42924 41713629075293 ARMY INTELLIGENCE-I - GROW'S DIARY INCIDENT BRINGS TO LIGHT MISASSIGNMENTS OF MILITARY ATTACHES; THE NEW YORK TIMES - HANSON BALDWIN 4/13/1952 1 47270 FOLDER 148 A42929 41713679075298 SPOTLIGHT ON INTELLIGENCE; THE WASHINGTON POST ARTICLE 3/23/1954 1 47270 FOLDER 148 A42931 41713729075302 NEWSPAPER: "MILITARY MIND"; THE WASHINGTON POST ARTICLE 3/17/1952 2 47270 FOLDER 148 A42942 41713749075305 NEWSPAPER: "GROW STOLEN DIARY INCIDENT GIVES SUPPORT TO ADVOCATES OF SEPARATE G-2 CAREER SERVICE"; WASHINGTON POST ARTICLE BY JOHN NORRIS 3/17/1952 1 47270 FOLDER 148 A42946 41713789075309 NEWSPAPER: "IS OUR INTELLIGENCE ADEQUATE?"; WASHINGTON DAILY NEWS ARTICLE BY ROBERT ALLEN 5/15/1951 1 47270 FOLDER 148 A42950 41713849075315 FAULTY INTELLIGENCE SYSTEM; WASHINGTON STAR ARTICLE 3/20/1952 1 47270 FOLDER 148 A42955 41713889075318 SIX NAMES ASSOCIATED WITH DNI, DMI, AIR 5/26/1945 1 47270 FOLDER 148 A42957 41713929075323 DREW PEARSON AND WILLOUGHBY; COVER MEMO 12/30/1950 1 47270 FOLDER 148 A42963 41713969075327 MACARTHUR PUZZLES PENTAGON; THE WASHINGTON POST ARTICLE BY DREW PEARSON 12/30/1950 2 47270 FOLDER 148 A42968 41714019075332 INTELLIGENCE FUNCTIONS AND RESPONSIBILITIES 3/3/1947 4 47270 FOLDER 148 A43028 41714069075336 AMENDMENT TO LETTER, "INTELLIGENCE FUNCTIONS AND RESPONSIBILITIES"; REQUIREMENT FOR ASSIGNMENT TO INTELLIGENCE POSITIONS 9/15/1947 2 47270 FOLDER 148 A43035 41714099075340 MERGER OF THREE - COLLINS URGES ONE SERVICE INTELLIGENCE; THE WASHINGTON POST 4/21/1953 1 47270 FOLDER 148 A43048 41714139075344 TOP MILITARY SETUP MUST BE OVERHAULED, VANNEVAR BUSH SAYS; THE WASHINGTON STAR ARTICLE 9/27/1952 1 47270 FOLDER 148 A43051 41714169075347 PERSONAL LETTER FROM COL. ARTHUR C. PETERSON TO COL. FREDERICK D. SHARP; DEVELOPMENT OF MILITARY LEADERSHIP AND SOUND ORGANIZATION 6/14/1952 2 47270 FOLDER 148 A43053 41714199075350 PERSONAL LETTER FROM COL. FREDERICK D. SHARP TO LTCOL ARTHUR C. PETERSON; IDEAS FOR A NEW ARMY INTELLIGENCE SYSTEM 5/31/1952 2 47270 FOLDER 148 A43058 41714219075352 KOREA EXPOSES ONE OF WORST BLUNDERS IN AMERICAN HISTORY; THE WASHINGTON STAR ARTICLE 8/7/1950 2 47270 FOLDER 148 A43063 41714249075355 MACARTHUR IS NOT TO BLAME; COLLIER'S EDITORIAL 9/16/1950 1 47270 FOLDER 148 A43068 41714329075363 CATHOLICS FEAR VATICAN MINISTER PLAN; WASHINGTON POST ARTICLE 8/12/1950 1 47270 FOLDER 148 A43071 41714389075368 KOREA INTELLIGENCE FIASCO/U.S. INTELLIGENCE SHAKEUP URGED; TIMES-HERALD ARTICLES 8/8/1950 1 47270 FOLDER 148 A43076 41714359075366 STRATEGIC INTELLIGENCE SCORED BY BYRD AND BRIDGES AS INADEQUATE; WASHINGTON STAR ARTICLE 8/7/1950 1 47270 FOLDER 148 A43085 41714419075372 WASHINGTON FAILURES BLAMED FOR KOREA INTELLIGENCE FIASCO; WASHINGTON TIMES-HERALD 8/8/1950 1 47270 FOLDER 148 A43097 41714439075374 FBI PROBE OF MCCARTHY AND PEARSON/AIDE SYSTEM USE/STALIN URGES MORE STRENGTH FOR SOVIET; THE WASHINGTON POST ARTICLES 2/11/1951 1 47270 FOLDER 148 A43107 41714469075377 ARMY INTELLIGENCE WARNED OF WAR; THE WASHINGTON DAILY NEWS ARTICLE 9/1/1950 2 47270 FOLDER 148 A43112 41714479075378 'STAND' ORDER SHOCKS OFFICERS WHO DIDN'T THINK OF LEAVING; WASHINGTON POST ARTICLE 7/31/1950 2 47270 FOLDER 148 A43129 41714519075381 MATTER OF FACT/WHERRY SEEKS 'BLUNDERER' IN KOREAN ATTACK; WASHINGTON POST ARTICLES 12/4/1950 1 47270 FOLDER 148 A43153 41714549075385 MARSHALL CALLED RIGHT MAN FOR WRONG JOB/THIS CHANGING WORLD; WASHINGTON STAR ARTICLES 9/14/1950 2 47270 FOLDER 148 A43170 41714569075387 GLOOM OVER KOREAN VISE/TO IMPROVE INTELLIGENCE; WASHINGTON POST/WASHINGTON STAR ARTICLES 12/5/1950 1 47270 FOLDER 148 A43181 41714589075389 OPTIMIST HEADS MACARTHUR'S G-2; THE WASHINGTON POST ARTICLE 12/3/1950 1 47270 FOLDER 148 A43184 41714619075392 NEWSPAPER: MCCARTHY REITERATES CHARGES/MCCARTHY VS PEARSON; THE EVENING STAR/THE WASHINGTON NEWS 4/26/1951 1 47270 FOLDER 148 A43190 41714669075397 TODAY AND TOMORROW; THE WASHINGTON POST ARTICLE 4/24/1951 1 47270 FOLDER 148 A43191 41714709075401 AN EFFICIENT INTELLIGENCE SERVICE BEGINS TO TAKE SHAPE; NEW YORK HERALD TRIBUNE 3/4/1951 3 47270 FOLDER 148 A43194 41714739075404 SIFTING INTELLIGENCE; WASHINGTON NEWS ARTICLE BY PETER EDSON 4/1/1951 1 47270 FOLDER 148 A43196 41714779075408 EXTRACTS FROM U.S. NEWS AND WORLD REPORT 12/22/1950 1 47270 FOLDER 147 A43207 41714829075413 NOTES FROM FRIEDMAN TO CAPT. DYER - NO SUBJECT 9/13/1954 2 47270 FOLDER 147 A43214 41714879075417 LETTER OF 15 DEC 1953 FROM FRIEDMAN 12/15/1953 1 47270 FOLDER 147 A43225 41714909075421 LISTING OF G.C. & C.S. VOLUMES OF SIGINT; AIR FORCE AND ARMY, NAVAL, SECRET SERVICE, DIPLOMATIC AND COMMERCIAL 1/1/1953 3 47270 FOLDER 146 A43312 41714949075425 ENVELOPE FOR MR. FRIEDMAN'S FILES; COPIES OF MESSAGE PERTAINING TO PORTUGUESE COMMUNICATIONS SECURITY 1/1/1951 2 47270 FOLDER 146 A43429 42037949107676 LISTING OF THE TICOM DF SERIES; TITLE AND SOURCE OF TRANSLATION 8/1/1950 26 47270 FOLDER 145 A43458 41716859075617 NOTIFICATION OF AN AGENDA FOR ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING #6; SUB-COMMITTEE REPORTS 11/4/1949 55 47270 FOLDER 145 A43478 41717229075653 MINUTES OF ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING NO. 6 12/2/1949 65 47270 FOLDER 144 A43480 41717269075656 DISCREPANCIES IN PERSONAL HISTORY STATEMENTS REGARDING MR. MAURICE H. KLEIN; MEMO FROM ADM FROST TO SENATOR BUTLER 10/12/1961 1 47270 FOLDER 144 A43482 41717299075659 NSA PROCEDURES FOR MAINTAINING THE SECURITY INDEX; SECURITY INVESTIGATIONS INDEX COVERING FEDERAL EMPLOYEES 12/5/1961 2

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47270 FOLDER 144 A43485 41717319075661 REQUEST FOR PROGRAMMING AUTHORITY; AUTHORIZATION FOR MODIFICATIONS TO CURRENT EQUIPMENT AND ADDITIONAL NEW EQUIPMENT 9/18/1961 2 47270 FOLDER 144 A43489 41717349075664 UNITED STATES AIR FORCE COMMUNICATIONS UNIT; TRANSFER OF ACTION TO ASSISTANT, SECRETARY OF DEFENSE, SPECIAL OPERATIONS 7/20/1961 1 47270 FOLDER 144 A43491 41717359075665 REFERRAL OF LETTER TO VICE ADMIRAL FROST; MEMO FOR LT. COLONEL CRAVEN, JCS 7/18/1961 1 47270 FOLDER 144 A43496 41717379075667 AMBASSADOR ROUNDTREE; CONCURRENCE FOR THE INCREASE OF COMINT/ELINT OPERATIONS 7/14/1961 2 47270 FOLDER 144 A43519 41717389075668 COMINT REQUIREMENTS; SOVIET MOVEMENTS IN THE USSR/CONSUMER USE OF SNOWPLOW SYSTEM 7/12/1961 4 47270 FOLDER 144 A43528 41717399075669 REPORT ON WILLIAM E. COVINGTON; SKILLED IN THE AREAS OF INTERCEPTION AND IDENTIFICATION OF RADIO COMMUNICATIONS 6/11/1961 2 47270 FOLDER 144 A43534 41895489093440 WILLIAM HYTER COVINGTON; MISSING PERSONS INVESTIGATION (U) 6/11/1961 5 47270 FOLDER 144 A43538 41717419075671 PROPOSED ADDITION TO THE ARMED SERVICES PROCUREMENT REGULATION; POLICY ON USE OF CRYPTO MATERIAL BY COMMERCIAL CONTRACTORS 5/15/1961 2 47270 FOLDER 144 A43541 41717439075673 DELEGATION OF OPERATIONAL CONTROL; APPROPRIATE RESOURCES ALLOCATED FOR THE SEVENTH AND EIGHTH ARMIES' REQUIREMENTS 5/15/1961 4 47270 FOLDER 144 A43546 41717449075674 DELEGATION OF OPERATIONAL CONTROL 2/17/1961 2 47270 FOLDER 144 A43566 41717469075676 REQUEST FOR CLASS DETERMINATION AND FINDINGS UNDER 10 U. S. CODE, CAPTER 137 (U); NEGOTIATIONS FOR EQUIPMENT OTHER THAN COMMON SUPPLIES 5/12/1961 1 47270 FOLDER 144 A43569 41717489075678 DATA REQUIRED FOR HOUSE APPROPRIATIONS COMMITTEE RE EAM AND ADP EQUIPMENT; NON-STANDARDIZED DATA PROCESSING EQUIPMENT 5/12/1961 7 47270 FOLDER 144 A43571 41717509075679 MILITARY AND CIVILIAN EMPLOYEE RECREATIONAL ORGANIZATIONS (U); NSA CIVILIAN WELFARE FUND COUNCIL 5/12/1961 2 47270 FOLDER 144 A43590 41717519075681 MILITARY COMMUNICATIONS; MOBILE COMMUNICATIONS VS. FIXED COMMUNICATIONS INSTALLATION 5/11/1961 1 47270 FOLDER 144 A43611 41717539075683 PRESS DISCLOSURE OF COMINT; PRESENTATION FOR USIB BY VICE ADMIRAL FROST 5/8/1961 1 47270 FOLDER 144 A43622 41717569075686 INCREASED SECURITY; COMINT INFORMATION REDUCED 5/8/1961 9 47270 FOLDER 144 A43641 41717599075689 TRAINING OF CBNRC ANALYSTS AT NSA; ON-THE-JOB TRAINING 5/1/1961 1 47270 FOLDER 144 A43645 41717629075692 REPLACEMENT FOR CURRENT INTEGREE 4/20/1961 2 47270 FOLDER 144 A43670 41717669075696 USAFSS MAGNETIC TAPE PROGRAM 4/27/1961 5 47270 FOLDER 144 A43699 41717679075697 SUPERGRADE UTILIZATION; NSA DIRECTOR OF MANPOWER AND PERSONNEL, MAURICE H. KLEIN 4/20/1961 2 47270 FOLDER 144 A43718 41717699075699 REQUEST FOR EMERGENCY FUNDS; REQUEST FOR A MUTUAL AID RDT&E PROGRAM 4/20/1961 2 47270 FOLDER 144 A43731 41717719075701 CONDUCT OF DIRECT SUPPORT ACTIVITIES; MISSION AND FUNCTIONS OF THE PACOM CENTER 4/20/1961 3 47270 FOLDER 144 A43748 41717739075703 ELINT PROCESSING ACTIVITIES; PROPOSED MISSION AND FUNCTIONS FOR THE PACOM ELINT CENTER 4/20/1961 12 47270 FOLDER 144 A43761 41717759075705 STUDY OF COMMUNICATIONS 4/18/1961 1 47270 FOLDER 144 A43776 41717769075706 STUDY SHOULD BE UNDERTAKEN 4/17/1961 4 47270 FOLDER 144 A43802 41719729075902 NSA CONTINGENCY PLAN FOR BERLIN 4/18/1961 2 47270 FOLDER 144 A43809 41787109082611 APPENDIX TO OPERATING INSTRUCTION; PROCESSING AND ANALYSIS AND THIRD PARTY COLLECTION ACTIVITIES 4/12/1961 3 47270 FOLDER 144 A43811 41719899075918 PROPOSED DISCUSSIONS; APPRECIATION TO DIR, GCHQ FOR ACCEPTANCE OF INVITATION TO NSA 4/12/1961 1 47270 FOLDER 144 A43812 41719939075922 PROCUREMENT OF CRYPTOGRAPHIC EQUIPMENT WITH U.S. GOVERNMENT FUNDS; REQUEST TO PROVIDE U.S. FUNDS TO FOREIGN GOVERNMENTS FOR PROCUREMENT OF COMSEC4/12/1961 EQUIPMENT 3 47270 FOLDER 144 A43813 41719979075926 CRYPTOGRAPHIC MATERIAL; REQUEST FROM THE GOVERNMENT TO PROCURE CRYPTOGRAPHIC DEVICES 3/21/1961 1 47270 FOLDER 144 A43904 41719959075924 TRIP TO FAR EAST BY CHIEF, USASA; VISIT AND DISCUSSIONS WITH DSB 4/6/1961 1 47270 FOLDER 144 A43914 41719989075927 NSA EVALUATION OF THE PROPOSED AGREEMENT WITH GCHQ; FUNDING FOR RESEARCH AND DEVELOPMENT AND IMPROVEMENT TO THE FACILITIES 4/6/1961 2 47270 FOLDER 144 A43929 41720019075930 PRODUCTION OF NATO NAVAL AND MARITIME AIR TACTICAL CODE; REQUEST FOR PRINTING ASSISTANCE 4/3/1961 2 47270 FOLDER 144 A43968 41720049075933 CRYPTOGRAPHIC SUPPLEMENT TO THE DOD INDUSTRIAL SECURITY MANUAL FOR SAFEGUARDING CLASSIFIED INFORMATION (U); GUIDANCE TO COMMERCIAL CONTRACTORS 3/31/1961 3 47270 FOLDER 144 A43980 41720069075935 HEAD OF COMBINED NAVAL PARTY; NOMINATION BY THE DIRECTOR, GCHQ 3/27/1961 1 47270 FOLDER 144 A43985 41720179075946 HEAD OF COMBINED NAVAL PARTY; NOMINATED 3/23/1961 1 47270 FOLDER 144 A43990 41720209075949 PROPOSED DEPARTMENT OF DEFENSE DIRECTIVE (U); AUTHORITIES FOR THE APPROVAL OF PERSONNEL ACTIONS 3/27/1961 1 47270 FOLDER 144 A43994 41720249075953 PROPOSED DOD DIRECTIVE; APPROVAL FOR PERSONNEL ACTIONS AFFECTING KEY COMPONENTS 3/23/1961 2 47270 FOLDER 144 A44006 41720279075956 VISIT BY DIRECTOR, LCSA; DISCUSSIONS WITH DIRECTOR, LCSA REGARDING GENERAL MATTERS 3/27/1961 1 47270 FOLDER 144 A44012 41720309075958 VISIT BY DIRECTOR, L.C.S.A.; DISCUSSIONS REGARDING OUTSTANDING PROBLEMS WITH POLICY 3/13/1961 1 47270 FOLDER 144 A44025 41720329075961 DISCUSSIONS WITH GCHQ REGARDING A COMPREHENSIVE POLICY; UKUSA POLICY 3/23/1961 2 47270 FOLDER 144 A44029 41720349075963 VISIT TO NSA BY DIRECTOR, GCHQ; DATES OF VISIT ARE 18-20 APRIL 3/23/1961 1 47270 FOLDER 144 A44034 41720379075966 CHIEF, USASA FAR EAST TRIP; COMMONWEALTH CONCURRENCES TO BE OBTAINED 3/23/1961 1 47270 FOLDER 144 A44082 41720409075969 PERSONNEL SECURITY BACKGROUND INVESTIGATIONS; RE-EXAMINATION OF INVESTIGATIONS DUE TO THE DEFECTION OF TWO CIVILIAN EMPLOYEES 3/22/1961 7 47270 FOLDER 144 A44096 41720439075972 FACILITIES SURVEY; A SURVEY QUESTIONNAIRE 3/22/1961 2 47270 FOLDER 144 A44131 41720459075974 FACILITIES SURVEY; A SURVEY TO ASSESS CAPABILITIES AND TRENDS 3/3/1961 2 47270 FOLDER 144 A44151 41720489075977 STATE DEPARTMENT-DEFENSE DEPARTMENT EXCHANGE PROGRAM; THE EXCHANGE OF NSA AND STATE DEPARTMENT PERSONNEL 3/21/1961 4 47270 FOLDER 144 A44161 41720519075980 STATE DEPARTMENT-DEFENSE DEPARTMENT EXCHANGE PROGRAM 1/16/1961 1 47270 FOLDER 144 A44165 41720549075982 STATE-DEFENSE PERSONNEL EXCHANGE PROGRAM; THE EXCHANGE OF SELECTED OFFICERS FOR SPECIFIED TOURS OF DUTY 9/1/1960 1 47270 FOLDER 144 A44173 41720559075984 REPRESENTATION ON ELINT AD HOC GROUP (U); NSA REPRESENTATIVES FOR THE ELECTRONICS INTELLIGENCE (ELINT) RESEARCH AND DEVELOPMENT (U) 3/21/1961 2

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47270 FOLDER 144 A44188 41720589075987 INDUSTRIAL SECURITY PROGRAM (U); NSA WILL DEVELOP REQUISITE SECURITY RULES IN ACCORDANCE WITH THE POLICIES OF USIB 3/20/1961 4 47270 FOLDER 144 A44198 41720619075990 US ARMY SECURITY AGENCY DATA PROCESSING; CONCURRENCE IN PROCUREMENT AND INSTALLATION OF IBM SYSTEMS 3/1/1961 5 47270 FOLDER 144 A44201 41720649075993 INVITATION RESPONSE TO THE AN/GLR-1 ELECTRONIC INTERCEPT EQUIPMENT DEMONSTRATION; DEMONSTRATION AT THE STROMBERG-CARLSON PLANT IN ROCHESTER 3/20/1961 1 47270 FOLDER 144 A44206 41720679075996 COMSEC ANALYSIS REPORT (FINAL) OF NATO FALL EXERCISES - 1960 (U); JUSTIFICATION FOR FUNDING FOR CRYPTOGRAPHIC EQUIPMENT 3/20/1961 2 47270 FOLDER 144 A44229 41720699075998 CONDUCT OF DIRECT SUPPORT ACTIVITIES; A STUDY TO DETERMINE AREAS WHERE IMPROVEMENTS IN EXISTING ARRANGEMENTS BENEFIT ELINT CONSUMERS 3/16/1961 3 47270 FOLDER 144 A44251 41720729076001 SPACE SURVEILLANCE DEVELOPMENT PLANNING (U); NORAD'S SPACE DETECTION AND TRACKING SYSTEM DEVELOPMENT PLAN 3/15/1961 4 47270 FOLDER 144 A44267 41720749076003 KENT ISLAND RESEARCH AND DEVELOPMENT PROJECT (U); TOTAL COST FOR THE DEVELOPMENT OF PROJECT IS $150,000 3/15/1961 2 47270 FOLDER 144 A44298 41721049076032 REQUIREMENTS FOR ADDITIONAL SUPERGRADE AND PUBLIC LAW 313 POSITIONS (U) 3/15/1961 7 47270 FOLDER 144 A44311 41722499076176 HOUSING REQUIREMENTS FOR JSPC SOBE (U); NSA PERSONNEL TO ARRIVE IN OKINAWA IN JULY AND AUGUST 1961 3/10/1961 2 47270 FOLDER 144 A44342 41722519076178 FY1962 CONSOLIDATED CRYPTOLOGIC BUDGET ESTIMATE; RESPONSE TO A REQUEST FROM THE DEFENSE APPROPRIATIONS SUBCOMMITTEE OF THE HOUSE 3/9/1961 3 47270 FOLDER 144 A44362 41722529076179 DRAFT APPENDIX TO THE ELINT OPERATING INSTRUCTION FOR CIA; REFUSAL TO ACCEPT DIRNSA CONTROL OF ELINT REPORTING 3/7/1961 2 47270 FOLDER 144 A44366 41722549076181 MR. ARTHUR J. ZOEBELEIN SELECTED FOR POSITION 3/7/1961 2 47270 FOLDER 144 A44370 41722579076184 DR. A. A. ALBERT, DIRECTOR, COMMUNICATIONS RESEARCH DIVISION AT PRINCETON; REQUEST POSITION TENURE BE CHANGED TO TWO YEARS VICE ONE 3/3/1961 3 47270 FOLDER 144 A44376 41722589076185 COMINT SUPPORT FOR CONTRACTOR PERFORMANCE; SECURITY SERVICES WILL ADMINISTER CONTROL 3/6/1961 1 47270 FOLDER 144 A44378 41722619076188 NSA CONTRACTION REQUIREMENT (U); ACCELERATING PROCUREMENT AND CONSTRUCTION 3/2/1961 3 47270 FOLDER 144 A44384 41722659076191 CAPABILITIES OF FOREIGN GOVERNMENTS IN THE AUDIO SURVEILLANCE FIELD 3/1/1961 1 47270 FOLDER 144 A44388 41722669076193 ACCELERATION OF PROCUREMENT AND CONSTRUCTION (U) 2/27/1961 2 47270 FOLDER 144 A44392 41722689076195 RELEASE OF NSA PUBLICATION; REPORT OF THE WORKING COMMITTEE SYMPOSIUM 2/21/1961 2 47270 FOLDER 144 A44398 41722699076196 DECLINE PARTICIPATION IN EXERCISE; US INVITATION FOR PARTICIPATION 2/20/1961 2 47270 FOLDER 144 A44403 41722719076198 PROPOSED OPERATING INSTRUCTIONS FOR THE JOINT SIGINT PROCESSING CENTER, OKINAWA; RESPONSE TO REVISION OF THE DRAFT 2/17/1961 2 47270 FOLDER 144 A44406 41895509093442 ADAPTION OF M-11 FILTERS 2/16/1961 1 47270 FOLDER 144 A44409 41722759076202 OPERATIONAL STANDARDS; RESULTS OF THE CONFERENCE 2/14/1961 2 47270 FOLDER 144 A44413 41722779076204 LCSA/NSA R&D DISCUSSIONS (U); CONCURRENCE FOR THE MEETING 2/9/1961 1 47270 FOLDER 144 A44417 41722799076206 AMENDMENTS PROPOSED; EXTRACT OF MEMORANDUM 2/7/1961 4 47270 FOLDER 144 A44420 41722819076208 JUSTIFICATION FOR MARINE SECURITY FORCE 2/6/1961 1 47270 FOLDER 144 A44423 41722829076209 THANK YOU NOTE FROM GCHQ; TECHNICAL LIAISON OFFICER 2/24/1961 1 47270 FOLDER 144 A44425 41722839076210 PERFORMANCE OF DUTY; APPRECIATION FOR OUTSTANDING ABILITY 2/6/1961 1 47270 FOLDER 144 A44428 41722879076214 COVERING MEMORANDUM FOR LETTER OF APPRECIATION; COVERING MEMO FROM CHIEF, NSAEUR 1/27/1961 1 47270 FOLDER 144 A44430 41722909076217 CONDUCT OF DIRECT SUPPORT ELINT ACTIVITIES; ELINT ACTIVITIES CONDUCTED BY COMMANDERS OF UNIFIED AND SPECIFIED COMMANDS (U) 2/6/1961 2 47270 FOLDER 144 A44439 41722929076219 WHY THE PARIS OFFICE OF THE NEW YORK TIMES DID NOT USE PLANTED DOCUMENTS 3/14/1961 3 47270 FOLDER 144 A44443 41722949076221 TWO PLANTED DOCUMENTS; ARTICLE FROM THE MACHESTER GUARDIAN 1/20/1961 4 47270 FOLDER 144 A44449 41722969076223 CLOISTER PROJECT; IMPROVEMENT TO PRODUCE COMINT 2/2/1961 4 47270 FOLDER 144 A44454 41722999076226 REQUEST APPROVAL FOR PROCUREMENT OF CAPITAL EQUIPMENT FOR NSA; REPLACEMENT OF OLD EQUIPMENT 1/31/1961 3 47270 FOLDER 144 A44456 41723289076255 RELEASE OF INFORMATION ON LAOS (U) 1/27/1961 1 47270 FOLDER 144 A44459 41723319076258 REQUEST FOR EXTENSION OF TOUR (COLONEL ROBERT P. HALLORAN) 1/26/1961 1 47270 FOLDER 144 A44462 41723349076261 EXCUSAL OF EMPLOYEES OF NSA ON INAUGURAL DAY; ADMINISTRATIVE LEAVE FOR 20 JANUARY 1961 1/24/1961 1 47270 FOLDER 144 A44464 41722869076213 ADMINISTRATIVE LEAVE FOR NSA EMPLOYEES FOR INAUGURAL DAY 1/19/1961 1 47270 FOLDER 144 A44465 41895529093444 RECEIPT OF LETTERS CONCERNING MR. PETER D. TRIEM AND MR. PETER J. SCHNEIDER, III; CURRENT STATUS OF EMPLOYMENT 1/24/1961 2 47270 FOLDER 144 A44476 41895539093445 COVER MEMO FOR PERSONAL LETTERS FROM AGENCY EMPLOYEE; REQUEST FOR REPORT OF CURRENT STATUS OF EMPLOYMENT 1/17/1961 3 47270 FOLDER 144 A44479 41723449076271 COMMUNICATIONS-ELECTRONICS TECHNOLOGICAL PROJECTION AND PLANS (U); UNITED STATES COMMUNICATIONS SECURITY PLAN 1/19/1961 2 47270 FOLDER 144 A44482 41723489076274 PROPOSAL FOR A COMBINED UNIT 1/19/1961 2 47270 FOLDER 144 A44486 41723519076278 COMINT SUPPORT FOR CONTRACTOR PERFORMANCE; INDUSTRIAL SECURITY RESPONSIBILITY 1/17/1961 1 47270 FOLDER 144 A44488 41723559076282 NSA FY 1961 BUDGET ESTIMATE; ADM. FROST TO COMPTROLLER OF THE ARMY 1/16/1961 2 47270 FOLDER 144 A44491 41723569076283 RENEWAL OF TOUR; ONE YEAR EXTENSION 1/12/1961 1 47270 FOLDER 144 A44497 41723609076287 REQUEST FOR EXTENSION OF TOUR (U) 1/11/1961 1 47270 FOLDER 144 A44502 41723619076288 REPORT OF SURVEY 1/11/1961 2 47270 FOLDER 144 A44504 41723649076291 SUPPORT OF ELINT ACTIVITIES; PERSONNEL SUPPORT 1/11/1961 3 47270 FOLDER 144 A44512 41723659076292 ELINT OPERATING INSTRUCTION; NSA PROPOSES TO PERFORM CERTAIN ELINT PROCESSING TASKS 1/11/1961 4 47270 FOLDER 144 A44517 41723699076296 LEGISLATION FOR THE NATIONAL SECURITY AGENCY; PROPOSED LEGISLATION DRAFT FOR A SECURITY EMPLOYMENT STANDARD 1/9/1961 11 47270 FOLDER 144 A44525 41723739076299 PLANS OF THE DEFENSE COMMUNICATION'S AGENCY FOR EXERCISING AUTHORITY AND IDENTIFYING COMPONENTS OF THE DEFENSE COMMUNICATIONS SYSTEM; AUTHORITY OF THE1/9/1961 DIRECTOR, DCA 2

UNCLASSIFIED 38 UNCLASSIFIED

47270 FOLDER 144 A44529 41723759076301 REQUEST FOR ACCREDITED COMINT AREA WITHIN MARTIN COMPANY - DENVER; RESPONSIBILITY NOT ACCEPTED DUE TO MANPOWER LIMITATIONS 1/3/1961 2 47270 FOLDER 144 A44533 41723789076305 COMMUNICATIONS SECURITY ASSISTANCE TO FOREIGN GOVERNMENTS; THE HANDLING OF COMSEC ASSISTANCE REQUESTS 1/3/1961 7 47270 FOLDER 144 A44536 41723819076308 APPRECIATION FROM THE VICE ADMIRAL, U.S. NAVY; APPRECIATION FOR INTELLIGENCE PRODUCED AS A DIRECT RESULT OF ACTION 1/3/1961 2 47270 FOLDER 144 A44541 41723839076310 PROPOSED ACTION TO RESTORE REDUCTION TO NAVY'S FISCAL YEAR 1962 CRYPTOLOGIC BUDGET 1/3/1961 1 47270 FOLDER 144 A44544 41723869076313 PROPOSED ACTION TO RESTORE REDUCTION TO NAVY'S FISCAL YEAR 1962 CRYPTOLOGIC BUDGET 12/23/1960 2 47270 FOLDER 144 A44548 41723899076316 EXTERNAL SUPPORT OF THE NATIONAL SECURITY AGENCY 12/30/1960 4 47270 FOLDER 144 A44579 41723919076318 EMERGENCY COMMUNICATIONS PLANS FOR NSA; LETTER SENT TO DIR/CIA 12/27/1960 2 47270 FOLDER 144 A44586 41725489076475 EMERGENCY COMMUNICATIONS PLAN FOR NSA; LETTER TO DIR/SPECIAL PROJECT STAFF 12/27/1961 2 47270 FOLDER 144 A44589 41725519076478 COMMUNICATIONS PLANNING FOR THE NSA ALTERNATE; NSA'S ALTERNATE HEADQUARTERS AND EMERGENCY RELOCATION SITE 12/27/1960 2 47270 FOLDER 144 A44592 41725749076501 SPANISH REQUEST FOR COMSEC ASSISTANCE 12/23/1960 2 47270 FOLDER 144 A44600 41725759076502 SPANISH REQUEST FOR COMSEC ASSISTANCE; REQUEST FOR PUBLICATIONS DEALING WITH CRYPTOGRAPHY 12/22/1960 1 47270 FOLDER 144 A44601 41725779076504 PAKISTAN REQUEST FOR COMSEC ASSISTANCE; MEMORANDUM FOR THE EXECUTIVE SECRETARY, U.S. COMMUNICATIONS SECURITY BOARD 12/22/1960 2 47270 FOLDER 144 A44604 41725789076505 PAKISTAN REQUEST FOR COMSEC ASSISTANCE; MEMORANDUM FOR THE MEMBERS OF THE U.S. COMMUNICATIONS SECURITY BOARD 12/22/1960 1 47270 FOLDER 144 A44608 41725819076508 REPORTS OF AUDIT PREPARED BY THE U.S. ARMY AUDIT AGENCY 12/21/1960 2 47270 FOLDER 144 A44610 41725839076510 REPORTS OF AUDIT PREPARED BY THE U.S. ARMY AUDIT AGENCY 12/9/1960 1 47270 FOLDER 144 A44612 41725849076511 FUND-RAISING CAMPAIGNS FOR THE NATIONAL HEALTH AGENCIES AND THE JOINT CRUSADE 12/21/1960 1 47270 FOLDER 144 A44614 41725889076515 COORDINATION OF COMSEC RDT&E ACTIVITIES 12/21/1960 1 47270 FOLDER 144 A44618 41725909076517 ASSIGNMENT OF COLONEL DWIGHT E. BONIN, USAF (U); COL. BONIN'S PROJECTED ASSIGNMENT WILL BE THE ASSISTANT DIRECTOR OF OPERATIONAL SERVICES FOR PLANS 12/21/1960 1 47270 FOLDER 144 A44622 41725939076520 SECURITY CLASSIFICATION OF THE DEFENSE NATIONAL COMMUNICATIONS CONTROL CENTER 12/20/1960 1 47270 FOLDER 144 A44624 41725959076522 SECURITY CLASSIFICATION OF THE DEFENSE NATIONAL COMMUNICATIONS CONTROL CENTER 12/5/1960 1 47270 FOLDER 144 A44631 41725989076525 AUTOMATIC ELECTRONIC BINARY INFORMATION EXCHANGE (BIX) 12/14/1960 3 47270 FOLDER 144 A44637 41895559093447 LT STANFORD R. WILDE, USN; A THESIS WRITTEN BY LT WILDE, "A SPEECH ANALYSIS AND SYNTHESIS SCHEME FOR BANDWIDTH COMPRESSION" 12/14/1960 2 47270 FOLDER 144 A44642 41726029076529 NOMINATION OF OFFICER; REPLACEMENT FOR NSA'S COMPTROLLER 12/9/1960 1 47270 FOLDER 144 A44645 41726049076531 NSA PARTICIPATION WITH THE JOINT U.S.-U.K. CONFERENCE 12/8/1960 2 47270 FOLDER 144 A44651 41726079076533 DATA COLLECTION FACILITIES, TECHNICAL INTELLIGENCE; A CAPABILITY TO COLLECT FOREIGN EARTH SATELLITE AND SPACE VEHICLE TRANSMISSIONS 12/7/1960 2 47270 FOLDER 144 A44655 41726109076537 ESTABLISHMENT OF A SPECIAL COMMITTEE ON COMPROMISING EMANATIONS; IMPROVING SECURITY AGAINST COMPROMISING EMANATIONS 12/6/1960 6 47270 FOLDER 144 A44659 41726119076539 COMMUNICATIONS SECURITY ASSISTANCE; NSA WILL NOT AUTHORIZE RELEASE REQUESTED BY NAVY OF ONE-TIME SYSTEMS 12/5/1960 3 47270 FOLDER 144 A44663 41726159076542 REQUEST FOR COMSEC EQUIPMENT; MEMORANDUM FOR THE MEMBERS OF THE U.S. COMMUNICATIONS SECURITY BOARD 12/5/1960 3 47270 FOLDER 144 A44669 41895579093449 RECOMMENDATION FOR AWARD; NSA'S AIR FORCE COMMENDATION MEDAL AWARD FOR LTCOL FREDERICK E. BORMANN 12/5/1960 3 47270 FOLDER 144 A44677 41726229076547 SUPPORT REQUIREMENTS OF THE NATIONAL SECURITY AGENCY, FISCAL YEAR 1962; REQUIREMENT FOR ALERT CADRES TO BE ACTIVATED DURING TIMES OF WORLD TENSION AND STRATEGIC11/30/1960 WARNINGS 3 47270 FOLDER 144 A44689 41726259076551 NSA FY 1962 BUDGET FOR THE RESEARCH, DEVELOPMENT, TEST AND EVALUATION APPROPRIATION; SPECIAL REQUEST FOR RESTORATION OF THE PROPOSED REDUCTION 11/30/1960 4 47270 FOLDER 144 A44694 41726279076554 UTILIZATION OF CONTRACT PERSONNEL IN GOVERNMENT COMSEC OPERATIONS 11/30/1960 2 47270 FOLDER 144 A44700 41726309076556 UTILIZATION OF CONTRACT PERSONNEL IN GOVERNMENT COMSEC OPERATIONS (U), 30 NOVEMBER 1960; USE OF TECHNICIANS FROM PRIVATE INDUSTRY 11/30/1960 3 47270 FOLDER 144 A44705 41726349076559 PROBLEMS CONCERNING COMMUNICATION LINK BETWEEN THE COMINT RELAY STATION AT GUANTANAMO BAY AND THE USASA DIRECT SUPPORT UNIT 11/29/1960 2 47270 FOLDER 144 A44714 41726379076563 NATIONAL SECURITY AGENCY CONTINGENCY PLAN FOR CUBA (NSACPC); DOA MEMORANDUM 10/28/1960 1 47270 FOLDER 144 A44720 41726399076565 NSA CONTINGENCY PLAN FOR CUBA (NSACPC) 11/29/1960 2 47270 FOLDER 144 A44724 41726429076569 DRAFT DEPARTMENT OF DEFENSE INSTRUCTION, SUBJECT: "POLICIES AND PROCEDURES FOR COMMUNICATIONS SECURITY RESEARCH AND DEVELOPMENT (U) 11/29/1960 26 47270 FOLDER 144 A44731 41726459076571 DEPENDENTS ACCOMPANYING NATIONAL SECURITY AGENCY PERSONNEL ON OVERSEAS TOURS (U); NSA OVERSEAS EMPLOYEES 11/28/1960 5 47270 FOLDER 143 A44743 41726479076575 NSA FIELD COMMANDERS CONFERENCE - 1955; CONDUCT OF OPERATIONS IN THE FIELD 4/1/1955 53 47270 FOLDER 143 A44757 41726519076582 OFFICIAL REPORT - NATIONAL SECURITY AGENCY FIELD COMMANDERS CONFERENCE - 1955 4/1/1955 143 47270 FOLDER 142 A44761 41726619076587 HANDWRITTEN NOTES FROM NEWSPAPER ARTICLES 12/19/1931 4 47270 FOLDER 142 A44763 41726649076590 HANDWRITTEN NOTE - HOWELL MCCONNELL MENTIONED 1/1/1931 1 47270 FOLDER 142 A44766 41726659076591 ARE WE GIVING AWAY OUR STATE SECRETS?; THE SATURDAY EVENING POST 12/19/1931 6 47270 FOLDER 142 A44768 41726709076596 CODES - ARTICLE IN THE SATURDAY EVENING POST 4/18/1931 4 47270 FOLDER 142 A44769 41726739076599 DOUBLE-CROSSING AMERICA; HERBERT YARDLEY ARTICLE IN LIBERTY MAGAZINE 10/10/1931 5 47270 FOLDER 142 A44770 41726779076602 SECRET INKS; THE SATURDAY EVENING POST 4/4/1931 7 47270 FOLDER 142 A44772 41726799076604 CIPHERS - BY HERBERT O. YARDLEY; THE SATURDAY EVENING POST 5/9/1931 7 47270 FOLDER 142 A44774 41726819076607 CRYPTOGRAMS AND THEIR SOLUTION - BY HERBERT O. YARDLEY; THE SATURDAY EVENING POST 11/21/1931 4 47270 FOLDER 141 A44776 41726849076610 INSTRUCTIONS FOR PREPARATION OF REPORTS FOR THE JOINT CHIEFS OF STAFF; JOINT SECRETARIAT MEMORANDUM NO. 96 2/6/1951 47 47270 FOLDER 140 A44778 41726869076612 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 07 NOVEMBER 1945 11/9/1945 2

UNCLASSIFIED 39 UNCLASSIFIED

47270 FOLDER 140 A44779 41726899076615 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 26 SEPTEMBER 1945 9/26/1945 4 47270 FOLDER 140 A44780 41726929076618 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 12 SEPTEMBER 1945 9/12/1945 2 47270 FOLDER 140 A44781 41726939076619 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 5 SEPTEMBER 1945 9/5/1945 2 47270 FOLDER 140 A44782 41726959076621 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 17 AUGUST 1945 8/17/1945 1 47270 FOLDER 140 A44784 41726999076625 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 8 AUGUST 1945 8/8/1945 2 47270 FOLDER 140 A44785 41727059076631 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 1 AUGUST 1945 8/1/1945 2 47270 FOLDER 140 A45293 41727099076636 OPERATING SERVICE DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 25 JULY 1945 7/25/1945 2 47270 FOLDER 140 A45295 41727129076638 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 4 JULY 1945 7/4/1945 2 47270 FOLDER 140 A45298 41727219076647 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 13 JUNE 1945 6/13/1945 2 47270 FOLDER 140 A45300 41727309076656 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 25 APRIL 1945 4/25/1945 2 47270 FOLDER 140 A45303 41727399076665 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 18 APRIL 1945 4/18/1945 2 47270 FOLDER 140 A45306 41727509076676 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 11 APRIL 1945 4/11/1945 2 47270 FOLDER 140 A45322 41727569076682 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 3 APRIL 1945 4/3/1945 2 47270 FOLDER 140 A45324 41727549076680 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 28 MARCH 1945 3/28/1945 2 47270 FOLDER 140 A45327 41727589076684 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 14 MARCH 1945 3/14/1945 2 47270 FOLDER 140 A45329 41727629076688 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 7 MARCH 1945 3/7/1945 2 47270 FOLDER 140 A45350 41727649076690 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 28 FEBRUARY 1945 2/28/1945 2 47270 FOLDER 140 A45354 41727659076691 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 21 FEBRUARY 1945 2/21/1945 4 47270 FOLDER 140 A45361 41727689076694 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 14 FEBRUARY 1945 2/14/1945 3 47270 FOLDER 140 A45364 41727719076696 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 7 FEBRUARY 1945 2/7/1945 3 47270 FOLDER 140 A45367 41727739076699 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 31 JANUARY 1945 1/31/1945 2 47270 FOLDER 140 A45371 41727759076700 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 3 JANUARY 1945 1/3/1945 1 47270 FOLDER 140 A45373 41727779076703 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 27 DECEMBER 1944 12/27/1944 1 47270 FOLDER 140 A45374 41727809076706 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF SPECIAL MEETING HELD 18 DECEMBER 1944 12/18/1944 2 47270 FOLDER 140 A45375 41727849076710 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 20 DECEMBER 1944 12/20/1944 1 47270 FOLDER 140 A45378 41727869076712 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 13 DECEMBER 1944 12/13/1944 3 47270 FOLDER 140 A45380 41727909076716 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 6 DECEMBER 1944 12/6/1944 3 47270 FOLDER 140 A45382 41727939076719 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 29 NOVEMBER 1944 11/29/1944 1 47270 FOLDER 140 A45383 41727979076723 OPERATING SERVICE DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 15 NOVEMBER 1944 11/23/1944 3 47270 FOLDER 140 A45385 41728019076727 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 31 OCTOBER 1944 10/31/1944 2 47270 FOLDER 144 A46674 41728089076733 POLICY OF NON-DISCRIMINATION AS RELATED TO NSA RECREATIONAL ACTIVITIES; DOD POLICY RELATIVE TO THE APPLICATION OF PRESIDENTIAL EXECUTIVE ORDER 10925 4/30/1961 3 47270 FOLDER 144 A46689 41728049076730 SUPERGRADE UTILIZATION; SUPERGRADE POSITIONS IN DOD, INCLUDING NSA 4/17/1961 2 47270 FOLDER 140 A46706 41727969076722 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 24 JANUARY 1945 1/24/1945 3 47270 FOLDER 140 A46717 41713389075269 OPERATING SERVICES DIVISION EXECUTIVE COMMITTEE - MINUTES OF MEETING HELD 17 JANUARY 1945 1/17/1945 2 47270 FOLDER 209 A484784 41761679080082 U.S. AIR FORCE PROJECT RAND RESEARCH MEMO "IS THERE A DEFENSE?" 10/3/1956 70 47270 FOLDER 208 A484787 41761719080085 COMMENTS ON COMINT PORTION OF THE REPORT BY LAND SUBCOMMITTEE OF SCIENTIFIC ADVISORY COUNCIL TO THE PRESIDENT 4/4/1955 2 47270 FOLDER 207 A484794 41761829080096 WASHINGTON POST - TIMES HERALD ARTICLE "AUSTRALIA FILLING IN PIECES OF SOVIET SPY PICTURE" 8/29/1954 1 47270 FOLDER 207 A484800 41761849080098 PRELIMINARY REPORT FORWARDED 5/28/1954 1 47270 FOLDER 207 A484803 41761879080101 LONDON TIMES ARTICLE PROVIDES DETAILS ON PETROVS 5/18/1954 1 47270 FOLDER 207 A484811 41761909080104 INTERROGATION OF PETROVS 5/12/1954 1 47270 FOLDER 207 A484813 41761929080106 NSA KEEN INTEREST IN CASE OF VLADIMIR PETROV 4/26/1954 2 47270 FOLDER 207 A484816 41761959080109 INTEREST IN PETROV CASE 4/20/1954 1 47270 FOLDER 207 A484825 41761999080113 FORWARDING OF INTERROGATION REPORTS ON SOVIET SIGNALS OFFICER GRIGORIEV 4/28/1954 2 47270 FOLDER 207 A484828 41762019080115 TECHNICAL INTELLIGENCE REPORT ON INTERROGATION OF SOVIET SIGNALS OFFICER 4/28/1954 1 47270 FOLDER 207 A484833 41762059080119 CASE OF SOVIET DEFECTOR GRIGOREV 3/20/1954 2 47270 FOLDER 207 A484839 41762089080122 NSA INTEREST IN INTERROGATION REPORT 3/24/1954 1 47270 FOLDER 207 A484845 41762129080126 PRELIMINARY TECHNICAL INTERROGATION REPORTS ON GRIGOREV AND ALFRED PRUEFER 3/23/1954 1 47270 FOLDER 207 A484854 41762159080129 TECHNICAL INTELLIGENCE REPORT ON INTERROGATION OF SOVIET SIGNALS OFFICER GRIGORIEV 4/28/1954 1 47270 FOLDER 207 A484877 41762199080133 FORWARDING OF INTERROGATION REPORTS ON SOVIET SIGNALS OFFICER GRIGORIEV 4/28/1954 2 47270 FOLDER 207 A484887 41762249080138 PRELIMINARY INTERROGATION OF SOVIET DEFECTOR V. A. LYSIKOV 3/27/1955 1

UNCLASSIFIED 40 UNCLASSIFIED

47270 FOLDER 207 A484891 41762289080142 INDIVIDUALS NOT AVAILABLE TO U.S. INTERROGATORS 3/16/1955 1 47270 FOLDER 207 A484898 41762319080145 AVAILABILITY OF IVANKOV NICKOLIV FOR INTERROGATION 3/5/1955 1 47270 FOLDER 207 A484911 41762349080148 NSAFE PROVIDES CHNSAPAC WITH REPORTS OF DEVELOPMENTS 3/16/1955 1 47270 FOLDER 207 A484943 41762379080151 DESCRIPTION OF MECHANICAL CIPHER DEVICE 4/28/1954 4 47270 FOLDER 207 A484952 41762399080153 NSA INTEREST IN INTERROGATION OF SOVIET DEFECTOR, LIEUTENANT OF CIPHER SECTION 3/16/1954 2 47270 FOLDER 207 A484957 41762429080156 DIRNSA SUGGESTIONS REGARDING INTERROGATION OF GERMAN REPATRIATES 4/20/1954 1 47270 FOLDER 206 A484972 41762469080162 THE SIGNAL CORPS BULLETIN NO. 97 9/1/1937 91 47270 FOLDER 205 A484988 41762559080174 ARTICLES ON CRYPTOGRAPHY AND CRYPTANALYSIS REPRINTED FROM THE SIGNAL CORPS BULLETIN 8/1/1942 322 47270 FOLDER 204 A485105 41762659080180 GCHQ LETTER TO WILLIAM FRIEDMAN REGARDING PEARL HARBOR 7/1/1957 5 47270 FOLDER 204 A485119 41762689080181 PRESS ARTICLE "OUR GOOD LUCK AT PEARL HARBOR" 12/7/1958 1 47270 FOLDER 204 A485152 41762699080183 FRIEDMAN'S INTEREST IN THE BROADCAST OF THE "WINDS MESSAGE" 1/8/1956 2 47270 FOLDER 204 A485162 41762729080186 FRIEDMAN'S LETTER OF APPRECIATION TO GCHQ OFFICIAL 6/28/1955 2 47270 FOLDER 204 A485209 41762759080190 WINDS MESSAGE (WAR AGAINST U.S. AND BRITAIN) BROADCAST AFTER ATTACK ON PEARL HARBOR 6/10/1955 5 47270 FOLDER 204 A485277 41762789080192 FRIEDMAN SEEKS INFORMATION FROM GCHQ OFFICIAL 5/18/1955 1 47270 FOLDER 204 A485355 41762819080196 CERTAIN ASPECTS OF "MAGIC" IN THE CRYPTOLOGICAL BACKGROUND OF THE VARIOUS OFFICIAL INVESTIGATIONS INTO THE ATTACK ON PEARL HARBOR 5/8/1957 76 47270 FOLDER 203 A485419 41762879080201 MAGIC SUMMARY NO. 609 9/14/1944 30 47270 FOLDER 203 A485434 41762909080204 SITUATION IN THE OFFICE OF JOHN B. HURT ON 6 AND 7 DECEMBER 1941 6/1/1944 4 47270 FOLDER 203 A485445 41762929080206 DIRECTIVE REGARDING JAPANESE "STOP" CODE MESSAGES 12/7/1941 1 47270 FOLDER 203 A485483 41762949080208 JAPAN CODED WEATHER REPORTS USED TO NOTIFY CONSULS OF WAR DECISION 12/5/1941 2 47270 FOLDER 203 A485489 41762979080211 ARMY-NAVY AGREEMENT ON DIVISION OF LABOR FOR DIPLOMATIC INTERCEPT 12/15/1945 3 47270 FOLDER 203 A485492 41762999080213 REPORT OF TRAFFIC DECIPHERED ON 2 AND 3 DECEMBER 1941 12/3/1941 1 47270 FOLDER 203 A485498 41763019080215 INTERCEPT DATA FOR JAPANESE MESSAGES, 6-8 DECEMBER 1941 12/8/1941 10 47270 FOLDER 203 A485503 41763049080218 U.S. - JAPANESE RELATIONS 9/3/1941 6 47270 FOLDER 203 A485505 41763059080219 UNITED STATES -- JAPANESE RELATIONS 8/16/1941 3 47270 FOLDER 203 A485508 41763069080220 UNITED STATES -- JAPANESE RELATIONS 8/17/1941 6 47270 FOLDER 203 A485525 41763089080222 JAPANESE ATTACK OF PEARL HARBOR 12/8/1941 2 47270 FOLDER 203 A485537 41763099080223 ORGANIZATION CHART OF SIGNAL INTELLIGENCE SERVICE AS OF DECEMBER 1941 11/14/1945 2 47270 FOLDER 203 A485543 41763109080224 ENCIPHERED MESSAGE 12/8/1941 2 47270 FOLDER 203 A485554 41763129080226 TOKYO "WINDS" CODE MESSAGE 11/28/1941 2 47270 FOLDER 203 A487418 41763169080230 TOKYO-WASHINGTON "WINDS CODE SETUP" CIRCULAR; CIRCULAR #2354 11/19/1941 6 47270 FOLDER 203 A487430 41763179080231 TOKYO-WASHINGTON CIRCULAR #2354; JAPANESE "WINDS CODE SETUP" 11/19/1941 3 47270 FOLDER 203 A487435 41763199080233 JAPANESE DIPLOMATIC TRAFFIC WITH INDICATOR GROUP "BYGAB" 11/26/1941 1 47270 FOLDER 203 A487441 41763229080236 JAPANESE BROADCAST OF OFFICE CHIEF'S CODE; CIRCULAR #2353 TRANSLATION REVISED 26 SEPT 44 11/19/1941 2 47270 FOLDER 203 A487457 41763249080237 JAPANESE BROADCASTS IN OFFICE CHIEF'S CODE; CIRCULARS # 2353 AND #2354 5/27/1945 6 47270 FOLDER 203 A487477 41763259080239 JAPANESE BROADCAST IN OFFICE CHIEF'S CODE; CIRCULAR #2353 TRANSLATION REVISED 26 SEPT 1944 11/19/1941 1 47270 FOLDER 203 A487563 41763269080240 JAPANESE BROADCASTS IN OFFICE CHIEF'S CODE; CIRCULAR #2353 11/19/1941 3 47270 FOLDER 203 A487570 41763289080242 JAPANESE OFFICE CHIEF'S CODED BROADCASTS 11/19/1941 2 47270 FOLDER 203 A487571 41763299080243 JAPANESE BROADCASTS IN OFFICE CHIEFS CODE; REGARDING BROADCAST OF SPECIAL MESSAGE IN AN EMERGENCY 11/19/1941 1 47270 FOLDER 203 A487573 41763319080245 ENCRYPTED JAPANESE MESSAGES; CIRCULAR #2353 11/19/1941 1 47270 FOLDER 203 A487581 41763339080247 ENCRYPTED TOKYO-WASHINGTON MESSAGE; CIRCULAR #2353 11/19/1941 1 47270 FOLDER 203 A487586 41763359080249 TELETYPE SERVICE FOR THREE STATIONS: SIS CODE ROOM, WASHINGTON; MONITORING STATION 1, FORT HANCOCK; AND MONITORING STATION 2, SAN FRANCISCO 11/19/1941 2 47270 FOLDER 203 A487587 41763379080251 JAPANESE SHIP MOVEMENTS 7/24/1941 2 47270 FOLDER 203 A487590 41763389080252 SECRET CANAL ZONE MAPS 6/25/1941 5 47270 FOLDER 203 A487601 41763449080258 DISSEMINATION OF MESSAGES TO NAVAL OFFICES 5/17/1941 3 47270 FOLDER 203 A487603 41763469080260 DISSEMINATION OF MESSAGES 1/1/1941 1 47270 FOLDER 203 A487604 41765459080456 DISSEMINATION OF MESSAGES 7/17/1941 1 47270 FOLDER 203 A487605 41765479080458 DISSEMINATION TO WHITE HOUSE 11/12/1941 2 47270 FOLDER 203 A487608 41765509080461 JAPANESE REPRESENTATION IN WASHINGTON NEEDS PERSONNEL FOR COMMUNICATIONS DUTIES 5/9/1941 1 47270 FOLDER 203 A487611 41765529080463 CUSTODY OF JAPANESE GOVERNMENT CODE 5/8/1941 1 47270 FOLDER 203 A487613 41765549080465 TOKYO ORDERS IMMEDIATE CHANGE IN CODE MACHINE USAGE; CIRCULAR #1015 5/7/1941 1

UNCLASSIFIED 41 UNCLASSIFIED

47270 FOLDER 203 A487614 41765569080467 JAPAN DISCOVERS U.S. READING SOME OF ITS CODES 5/20/1941 1 47270 FOLDER 203 A487630 41765589080470 U.S. REPORTEDLY READING JAPANESE CODED MESSAGES 5/7/1941 1 47270 FOLDER 203 A487631 41765619080472 U.S. REPORTEDLY READING JAPANESE CODE MESSAGES 5/5/1941 1 47270 FOLDER 203 A487634 41765639080474 JAPANESE SEEK SOURCE OF REPORT THAT U.S. IS READING ITS CODE MESSAGES 5/5/1941 1 47270 FOLDER 203 A487638 41765669080477 SECURITY OF JAPANESE COMMUNICATIONS 5/5/1941 1 47270 FOLDER 203 A487643 41765689080479 JAPANESE LEARN THAT U.S. IS READING JAPANESE AMBASSADOR'S CODE MESSAGES 5/3/1941 1 47270 FOLDER 203 A487644 41765709080481 SECURITY OF JAPANESE COMMUNICATIONS 5/5/1941 1 47270 FOLDER 203 A487648 41765729080484 INDEX OF TRANSLATIONS AND MEMORANDA RE PEARL HARBOR 12/30/1941 19 47270 FOLDER 203 A487653 41765759080486 INDEX OF RELEVANT TRANSLATIONS AND MEMORANDA 12/30/1941 4 47270 FOLDER 203 A487661 41765779080489 INDEX OF TRANSLATIONS RE JAP ESPIONAGE, 1941 1/14/1942 12 47270 FOLDER 203 A487672 41765809080491 INDEX OF HONOLULU AND MISCELLANEOUS MESSAGES 12/6/1941 2 47270 FOLDER 203 A487681 41765859080496 JAPANESE MESSAGE CODE CHANGE TO THWART EXPLOITATION BY BRITISH AND AMERICANS 6/4/1941 2 47270 FOLDER 203 A487729 41765879080498 JAPANESE CODE SETUP CIRCULAR; CIRCULAR #2354 11/19/1941 1 47270 FOLDER 203 A487733 41765909080501 WINDS CODE SETUP CIRCULAR #2353 11/19/1941 3 47270 FOLDER 203 A487784 41765929080502 JAPANESE CONCERN ABOUT U.S.-JAPANESE RELATIONS 9/4/1941 2 47270 FOLDER 203 A487805 41765959080506 JAPANESE AND GERMAN DIPLOMATS EXCHANGE VIEWS ON POSSIBLE AMERICAN REACTION TO JAPANESE ARMY ACTIONS 9/20/1941 3 47270 FOLDER 203 A487808 41765979080508 JAPANESE MESSAGE ON CHILE'S POSITION ON THE WAR 12/4/1941 1 47270 FOLDER 203 A487813 41765999080510 EXTRACT FROM MR. GREW'S TESTIMONY IN THE PEARL HARBOR COMMITTEE 1/1/1945 4 47270 FOLDER 203 A487816 41766029080514 BURNING OF JAPANESE CODE DOCUMENTS IN THE SIAM MILITARY ATTACHE'S OFFICE 12/2/1941 1 47270 FOLDER 203 A487820 41766069080517 LARGE NUMBER OF U.S. WAR PLANES REPORTEDLY DISPATCHED TO ALASKA, NOVEMBER 1941 11/7/1941 1 47270 FOLDER 203 A487824 41766089080519 JAPANESE-AMERICAN CONFERENCE 12/3/1941 2 47270 FOLDER 203 A487828 41766109080521 JAPANESE ARMY, NAVY, AND AIR UNITS ATTACK U.S. AND BRITISH FORCES IN THE SOUTH 1/13/1945 2 47270 FOLDER 203 A487832 41766129080523 JAPANESE NOTE AMERICAN RESOLVE TO DECLARE WAR AGAINST JAPAN IN NEAR FUTURE 11/28/1941 1 47270 FOLDER 203 A487841 41766149080525 JAPANESE REPORT ON MOBILIZATION OF ARMY FLYING CORPS IN DUTCH EAST INDIES 3/15/1944 8 47270 FOLDER 203 A487847 41766169080527 TOKYO BROADCASTS OF "WINDS" CODE MESSAGES 8/18/1944 6 47270 FOLDER 203 A487981 41766199080529 SOURCES OF INTERCEPTED TRAFFIC, 1941 7/28/1944 2 47270 FOLDER 203 A487983 41766219080532 THE "WINDS MESSAGE" 6/30/1944 2 47270 FOLDER 203 A487984 41766239080534 THE "WINDS MESSAGE" 6/27/1944 2 47270 FOLDER 203 A487987 41766259080536 ENCRYPTED JAPANESE MESSAGE ORIGINALLY SENT ON NOVEMBER 19, 1941 9/25/1944 1 47270 FOLDER 203 A487996 41766279080538 JAPANESE OPEN CODE 2/6/1946 2 47270 FOLDER 203 A488012 41766309080541 QUERY REGARDING CODED MESSAGE 1/5/1942 1 47270 FOLDER 203 A488039 41766319080542 VALUE OF JAPANESE NAVY CODED MESSAGES 12/21/1941 1 47270 FOLDER 203 A488073 41766329080543 CONTENTS OF VARIOUS MESSAGES REITERATED FOR SIGNALS HAWAIIAN DEPARTMENT, FORT SHAFTER, TH 12/12/1941 1 47270 FOLDER 203 A488082 41766349080545 TAB - MAGIC SUMMARY, JAPANESE CIRCULAR AND ENVELOPE WITH NOTATION ON CONTENTS - PEARL HARBOR MISCELLANEOUS PAPERS AND DOCUMENTS 12/9/1941 2 47270 FOLDER 202 A488108 41766369080547 WILLIAM FRIEDMAN SUGGESTS MAILING CLASSIFIED INFORMATION VIA REGISTERED MAIL 12/17/1956 2 47270 FOLDER 202 A488114 41766389080549 PEARL HARBOR ATTACK - TIME CONVERSION DATA 12/15/1941 4 47270 FOLDER 202 A488117 41766409080551 MARSHALL-DEWEY LETTER: FROM CONGRESSIONAL INVESTIGATION ON PEARL HARBOR ATTACK; LETTER FROM GENERAL MARSHALL TO GOVERNOR DEWEY REGARDING READING JAPANESE9/27/1944 AND GERMAN CODES4 47270 FOLDER 202 A488120 41766419080552 MIS FILE RE PEARL HARBOR INQUIRY 3/11/1946 4 47270 FOLDER 202 A488353 41766429080553 CONVERSATIONS ON JAPANESE "WINDS" CODE 1/1/1944 4 47270 FOLDER 202 A488376 41766449080555 HANDLING OF JAPANESE MESSAGES OF LATE 1941 1/1/1944 5 47270 FOLDER 202 A488384 41766459080556 HIGHLIGHTS OF TALK WITH SAFFORD ON 7 SEPT 44 AND FURTHER NOTES -SAFFORD ON 20 SEPT 44 9/20/1944 2 47270 FOLDER 202 A488454 41766469080557 CONVERSATION BETWEEN WILLIAM FRIEDMAN AND COL. SADTLER ON PEARL HARBOR 11/17/1944 1 47270 FOLDER 202 A488462 41766479080558 WINDS CODE AND "WINDS EXECUTE" MESSAGE 9/22/1944 2 47270 FOLDER 202 A488471 41766489080559 INFORMATION FROM DOCUMENTARY EVIDENCE ON MESSAGES NO. 901, 902, 907, 910; JAPANESE MESSAGES OF 6-7 DEC 1941 1/1/1944 6 47270 FOLDER 202 A488484 41766499080560 MINIMIZING ADVERSE EFFECTS OF THE JOINT CONGRESSIONAL PEARL HARBOR INVESTIGATION 12/7/1945 10 47270 FOLDER 202 A488493 41766509080561 CONGRESSIONAL HEARING ON PEARL HARBOR; REGARDING STATEMENT BY GEN. MILES CONCERNING RELATIVE SECURITY OF ARMY AND NAVY CODES 12/5/1945 3 47270 FOLDER 202 A488504 41766519080562 DOCUMENTS RELATIVE TO PEARL HARBOR INVESTIGATION 11/7/1945 10 47270 FOLDER 202 A488524 41766529080563 LIST OF MISSING NUMBERS OF SSA BULLETINS ON FILE IN COLONEL'S OFFICE 9/8/1944 4 47270 FOLDER 202 A488534 41766539080564 MESSAGE NUMBERS RE JAPANESE MESSAGES 5/1/1941 1 47270 FOLDER 202 A488544 41766549080565 LIST OF ARMY AND NAVY TRANSLATIONS 1/1/1944 1

UNCLASSIFIED 42 UNCLASSIFIED

47270 FOLDER 202 A488554 41766559080566 LIST OF NUMBERED MESSAGES REQUESTED 10/4/1944 2 47270 FOLDER 202 A488558 41766569080567 NUMBERED MESSAGES REQUESTED FOR PEARL HARBOR INVESTIGATION FILE 10/3/1944 2 47270 FOLDER 202 A488560 41766579080568 WINDS EXECUTE MESSAGE OF 4 DECEMBER 1941 10/1/1944 1 47270 FOLDER 202 A488562 41766589080569 INTERCEPT ASSIGNMENT AT MONITOR STATION SIX 6/1/1945 9 47270 FOLDER 202 A488570 41766599080570 INTERCEPT DIRECTIVE FOR SIGNALS PHILIPPINE DEPARTMENT, MANILA, PI 12/9/1941 2 47270 FOLDER 202 A488572 41766609080571 REVIEW OF SIGNAL INTELLIGENCE ACTIVITIES IN THE PHILIPPINES, 1934 - 1941 5/31/1945 12 47270 FOLDER 202 A488574 41766619080572 INTERCEPT ASSIGNMENT AT MONITOR STATION FIVE 5/14/1945 5 47270 FOLDER 202 A488575 41766629080573 INTERCEPT ASSIGNMENT 5/15/1945 5 47270 FOLDER 202 A488598 41766639080574 MEMORANDUM OF CONVERSATION WITH MR. WALTER FOOTE AT THE STATE DEPARTMENT ON WEDNESDAY, 30 MAY 1945 5/30/1945 3 47270 FOLDER 202 A488614 41766649080575 STATE DEPT REACTION TO NEWS OF WINDS SETUP MESSAGE 12/4/1941 1 47270 FOLDER 202 A488659 41766659080576 FRIEDMAN MEMO RE: MESSAGE 27065/8007 5/3/1945 8 47270 FOLDER 202 A488683 41766669080577 ORIGINAL INTERCEPT AND WORK SHEETS FOR SSA MESSAGE 27065/8007 3/12/1945 3 47270 FOLDER 202 A488695 41766679080578 CORDERMAN MEMO RE: SEARCH FOR MESSAGE 27065/8007 3/7/1945 3 47270 FOLDER 202 A488776 41766699080580 FRANK ROWLETT'S RESPONSE TO REQUEST FROM FORT SHAFTER FOR CERTAIN MESSAGES 5/8/1945 1 47270 FOLDER 202 A488784 41766719080582 DISPOSITION OF TRAFFIC FOR FORT SHAFTER, TH 4/18/1945 1 47270 FOLDER 202 A488786 41766739080584 SEARCH FOR INFORMATION REQUESTED BY FORT SHAFTER, TH 4/23/1945 1 47270 FOLDER 202 A488794 41766749080585 INTERCEPT STATION 5 POSSIBLY DELAYED FORWARDING OF MESSAGE 4/19/1945 1 47270 FOLDER 202 A488801 41766769080587 DIRECTIVE FOR INTERCEPT AND FORWARDING OF JAPANESE PLAIN TEXT DIPLOMATIC TRAFFIC 12/2/1941 1 47270 FOLDER 202 A488818 41766779080588 INTEREST IN MONITORING STATION 5 TRAFFIC AND TRANSLATION BULLETIN NUMBER ARMY 8007-27065 4/14/1945 1 47270 FOLDER 202 A488829 41766789080589 WINDS MESSAGE 9/22/1944 2 47270 FOLDER 202 A488841 41766799080590 EVIDENCE RE "WINDS EXECUTE MESSAGE" 9/30/1944 2 47270 FOLDER 202 A488850 41766809080591 DOCUMENTARY EVIDENCE RE "WINDS EXECUTE" MESSAGE 9/29/1944 6 47270 FOLDER 202 A488860 41766819080592 RESPONSE TO QUESTIONS REGARDING "WINDS EXECUTE MESSAGE" 9/1/1944 1 47270 FOLDER 202 A488864 41766829080593 MONITORING STATIONS AND CRYPTANALYTIC UNITS IN DECEMBER 1941 9/26/1944 2 47270 FOLDER 202 A488874 41766839080594 TRANSLATION OF "STOP CODE" MESSAGE 9/15/1944 25 47270 FOLDER 201 A488953 41766849080595 EXTRACT FROM RIP 98 - AMERICAN MEASURES AGAINST COMMUNICATION INTELLIGENCE PUBLICITY; APPENDIX II 4/5/1943 48 47270 FOLDER 200 A488967 41766859080596 WAR HISTORIES 4/1/1950 18 47270 FOLDER 200 A488995 41766869080597 A REPORT ON THE SYSTEM CURRENTLY EMPLOYED IN THE COLLECTION, EVALUATION AND DISSEMINATION OF INTELLIGENCE AFFECTING THE WAR POTENTIAL OF THE UNITED STATES;12/17/1946 REPORT OF COMMITTEE12 ON MILITARY AFFAIRS HOUSE OF REPRESENTATIVES - HR 20 47270 FOLDER 199 A489034 41766879080598 CERTAIN ASPECTS OF "MAGIC" IN THE CRYPTOLOGICAL BACKGROUND OF THE VARIOUS OFFICIAL INVESTIGATIONS INTO THE ATTACK ON PEARL HARBOR 5/8/1957 75 47270 FOLDER 198 A491080 41766889080599 THE ZIMMERMANN TELEGRAM OF JANUARY 16, 1917 AND ITS CRYPTOGRAPHIC BACKGROUND 1/1/1938 106 47270 FOLDER 435 A516614 41706169074548 TWO SAFE COMBINATION KEYS 9/14/1955 5 47270 FOLDER 435 A516618 41706439074575 PERSONAL LETTER FROM WILLIAM FRIEDMAN TO MR. DUDLEY SMITH 1/1/1955 1 47270 FOLDER 435 A516620 41706579074589 DISPOSITION OF A DOCUMENT 4/8/1955 2 47270 FOLDER 435 A516622 41706769074608 INVENTORY OF RECORDS 3/24/1960 1 47270 FOLDER 435 A516625 41706819074613 OFFER OF TRANSLATION SERVICES; LETTER FROM MEMBER OF THE PUBLIC 2/16/1953 1 47270 FOLDER 435 A516627 41706859074617 PERSONAL LETTER TO MR. WALTER EMERY FROM WILLIAM FRIEDMAN 3/20/1953 1 47270 FOLDER 435 A516629 41706929074624 BELL SYSTEM COAXIAL CABLE AND RADIO RELAY ROUTES 1/1/1947 1 47270 FOLDER 434 A516888 41706979074629 RECOMMENDATIONS TO THE NSA STUDY ENTITLED "THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING" 1/1/1954 20 47270 FOLDER 434 A516889 41707179074649 REFERENCE TO DR. WILKS IN AUGUST 1954 MONTHLY OPERATIONAL SUMMARY 10/21/1954 1 47270 FOLDER 434 A516890 41707199074651 ROBERTSON REPORT 10/6/1954 1 47270 FOLDER 434 A516891 41707259074657 ROBERTSON REPORT 9/9/1954 31 47270 FOLDER 434 A516895 41707339074665 ROBERTSON REPORT 7/26/1954 1 47270 FOLDER 434 A516896 41707399074670 THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING- MODIFIED VERSION 1/1/1954 2 47270 FOLDER 434 A516898 41707419074673 CHRONOLOGICAL SUMMARY OF PLANS AND POLICY DIVISION ACTIONS WITH REGARD TO THE ROBERTSON REPORT 4/21/1954 2 47270 FOLDER 434 A516900 41707479074679 NSA RECOMMENDATIONS MADE ON THE BASIS OF THE ROBERTSON REPORT 3/10/1954 7 47270 FOLDER 434 A516901 41707519074683 GENERAL MCCLURE'S REMARKS ON THE REPORT OF THE SPECIAL STUDY GROUP 3/17/1954 4 47270 FOLDER 434 A516903 41787199082620 REPORT OF THE STUDY GROUP, NSA SCIENTIFIC ADVISORY BOARD (NSA SERIAL 000565-S) 12/31/1953 2 47270 FOLDER 434 A516905 41707609074692 THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING 3/5/1954 3 47270 FOLDER 434 A516907 41707679074701 THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING 3/1/1954 87 47270 FOLDER 433 A516913 41711059075043 CAN CRYPTOLOGIC HISTORY REPEAT ITSELF? 7/21/1948 136

UNCLASSIFIED 43 UNCLASSIFIED

47270 FOLDER 432 A516919 41711189075049 CRYPTOGRAPHIC SECURITY 5/15/1953 5 47270 FOLDER 432 A516922 41711209075052 REPORT TO THE CHAIRMAN, ARMED FORCES SECURITY AGENCY COUNCIL; SPECIAL REPORT OF AFSAC AD HOC COMMITTEE ON RELEASE OF CSP 2900 6/30/1952 4 47270 FOLDER 432 A516924 41711249075055 REPORT TO SECURITY COMMITTEE OF THE COMMITTEE ON SECURITY STANDARDS 5/21/1952 2 47270 FOLDER 432 A516926 41711269075057 BRUSA CONFERENCE ON SECURITY 5/8/1953 1 47270 FOLDER 432 A516927 41711319075062 REPORT ON VISIT 4/24/1953 5 47270 FOLDER 432 A516931 41711549075084 PROPOSED U.K./U.S. CONFERENCE ON THE SECURITY OF 4/1/1953 1 47270 FOLDER 432 A516953 41711739075104 U.K.-U.S. CONFERENCE ON THE SECURITY OF COMMUNICATIONS 2/26/1953 3 47270 FOLDER 432 A516985 41711769075106 ALLIED COMMUNICATIONS SECURITY 3/1/1953 2 47270 FOLDER 432 A516991 41711869075117 COMMUNICATION SECURITY 5/2/1952 1 47270 FOLDER 432 A516993 41711909075121 COMMUNICATIONS SECURITY 1/24/1952 1 47270 FOLDER 432 A516994 41711939075124 COMMUNICATIONS SECURITY 1/17/1952 5 47270 FOLDER 432 A517008 41711999075130 U.S./U.K. REPORT CONCERNING COMMUNICATION SECURITY 1/14/1952 1 47270 FOLDER 432 A517014 41712049075135 U.S./U.K. CONFERENCE ON THE SECURITY OF COMMUNICATIONS 12/10/1951 4 47270 FOLDER 432 A517015 41712069075137 U.K.-U.S. CONFERENCE ON THE SECURITY OF COMMUNICATIONS 6/8/1951 1 47270 FOLDER 432 A517032 41712109075140 PROPOSED MEASURES FOR IMPROVING THE CIPHER SECURITY OF WESTERN UNION COMMUNICATIONS 7/20/1949 5 47270 FOLDER 432 A517035 41712129075143 PROPOSED USCIB POLICY CONCERNING THE SECURITY OF COMMUNICATION SYSTEMS OF THE NATIONS OF THE WESTERN EUROPEAN UNION 9/1/1948 1 47270 FOLDER 432 A517039 41712159075145 RESUME OF THE "WESTERN UNION" AND HISTORY 8/25/1948 1 47270 FOLDER 432 A517043 41712199075150 BRIEF ON ATTACHED NSC ITEM ENTITLED "SECURITY OF COMMUNICATIONS RELATING TO INTERNATIONAL DIPLOMATIC ACTIVITIES PARTICIPATED IN BY THE UNITED STATES" 9/1/1948 10 47270 FOLDER 432 A517045 41712239075154 HISTORY OF A PROBLEM 5/15/1953 1 47270 FOLDER 432 A517050 41712269075157 COMMUNICATION SECURITY 4/1/1952 1 47270 FOLDER 432 A517053 41712319075161 USIB PROPOSAL FOR AN IMMEDIATE APPROACH 11/23/1951 2 47270 FOLDER 432 A517057 41712449075175 EVALUATION OF COMMUNICATION SECURITY 11/7/1951 5 47270 FOLDER 432 A517064 41712469075178 LSIB REPLY TO BRIGADIER TILTMAN'S MESSAGE 8/1/1951 1 47270 FOLDER 432 A517069 41712529075183 HISTORY OF PROBLEM 5/15/1953 1 47270 FOLDER 432 A517077 41712569075187 HISTORY OF PROBLEM 5/15/1953 2 47270 FOLDER 432 A517079 41712599075190 RELEASE OF CCM 4/8/1953 3 47270 FOLDER 432 A517083 41712639075194 U.S.C.I.B.'S DECISION TO SUPPLY MACHINES 12/8/1952 1 47270 FOLDER 432 A517086 41712679075198 CRYPTOGRAPHIC ASSISTANCE TO THE TURKISH GOVERNMENT 10/7/1952 1 47270 FOLDER 432 A517088 41712729075203 REPORT OF THE UK/US COMMUNICATION SECURITY CONFERENCE; ARMED FORCES SECURITY AGENCY COUNCIL DECISION ON AFSAC 63/68 10/23/1952 4 47270 FOLDER 432 A517089 41712769075207 U.K./U.S. COMMUNICATION SECURITY CONFERENCE, 1952 7/1/1952 5 47270 FOLDER 432 A517092 41712789075209 U.S. POLICY ON COMINT VERSUS COMSEC 10/10/1952 2 47270 FOLDER 432 A517094 41712799075210 STATEMENT OF U.S. POLICY 8/27/1952 6 47270 FOLDER 432 A517098 41712809075211 PROBLEM REFERRED TO NATIONAL SECURITY COUNCIL FOR DECISION 9/3/1948 1 47270 FOLDER 432 A517100 41712819075212 RELEASE OF CRYPTOGRAPHIC DEVICES 7/24/1952 1 47270 FOLDER 432 A517103 41712829075213 THE SD-MICC REQUESTS THE VIEWS OF THE USCIB WITH RESPECT TO THE REQUEST FOR CRYPTOGRAPHIC ASSISTANCE 7/15/1952 1 47270 FOLDER 432 A517105 41712839075214 RELEASE OF CRYPTOGRAPHIC DEVICES 7/11/1952 2 47270 FOLDER 432 A517110 41712849075215 AFSA HAS NO KNOWLEDGE OF ANY PURCHASE OR CONTEMPLATED PURCHASE OF CIPHER MACHINES IN THE U.S.A 5/7/1952 1 47270 FOLDER 432 A517114 41712879075218 MACHINES FROM THE U.S.A 4/25/1952 1 47270 FOLDER 432 A517116 41712919075222 PLANNING TO REORGANIZE MILITARY CIPHERS 5/25/1953 2 47270 FOLDER 431 A517123 41712949075225 PHYSICAL REQUIREMENTS FOR THE FORTHCOMING CONFERENCE 4/28/1953 2 47270 FOLDER 431 A517125 41712959075226 USING NATO CRYPTO SYSTEMS 5/1/1953 1 47270 FOLDER 431 A517128 41712979075228 STATUS OF NATO CRYPTOSYSTEMS 4/29/1952 9 47270 FOLDER 431 A517132 41712999075230 REQUESTED INFORMATION ON GREECE AND TURKEY 5/1/1953 1 47270 FOLDER 431 A517137 41713019075232 USCIB REQUEST FOR INFORMATION ON CRYPTO-SYSTEMS FURNISHED TO TURKEY, FRANCE PORTUGAL, GREECE AND ITALY BY NATO 4/27/1953 1 47270 FOLDER 431 A517139 41713039075234 ALLIED (NATO) COMMUNICATIONS SECURITY 8/25/1953 3 47270 FOLDER 431 A517140 41713059075236 HOW TO DEMONSTRATE COMSEC WEAKNESSES TO NATO COUNTRIES 5/1/1953 3 47270 FOLDER 431 A517156 41713079075238 CRITIQUE OF APPROACHES TO NON-STANDING-GROUP 6/8/1953 6 47270 FOLDER 431 A517165 41713109075241 THE U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 6/12/1953 23 47270 FOLDER 431 A517169 41713129075243 MINUTES OF THE U.K.-U.S. CONFERENCE ON THE FIFTH MEETING OF THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 6/12/1953 2 47270 FOLDER 431 A517170 41713159075246 MINUTES OF THE FOURTH MEETING OF THE U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 6/11/1953 2

UNCLASSIFIED 44 UNCLASSIFIED

47270 FOLDER 431 A517171 41713189075249 MINUTES OF THE THIRD MEETING OF THE U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 6/10/1953 2 47270 FOLDER 431 A517172 41713209075251 MINUTES OF THE SECOND MEETING OF THE U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 6/9/1953 2 47270 FOLDER 431 A517174 41713249075255 MINUTES OF THE FIRST MEETING OF THE U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 6/5/1953 2 47270 FOLDER 431 A517176 41713259075256 MINUTES OF THE PLENARY SESSION OF THE U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 6/5/1953 4 47270 FOLDER 431 A517180 41713289075259 REPORT OF THE US-UK CONFERENCE ON THE COMMUNICATION SECURITY OF NATO COUNTRIES HELD IN WASHINGTON, 5-12 JUNE 1953 6/12/1953 22 47270 FOLDER 431 A517183 41713329075264 MINUTES OF THE FOURTH MEETING OF THE U.K./U.S. COMMUNICATIONS SECURITY CONFERENCE 6/11/1953 2 47270 FOLDER 431 A517184 41713379075268 MINUTES OF THE THIRD MEETING OF THE U.K./U.S. COMMUNICATIONS SECURITY CONFERENCE 6/10/1953 2 47270 FOLDER 431 A517186 41713429075273 MINUTES OF THE SECOND MEETING OF THE U.K./U.S. COMMUNICATIONS SECURITY CONFERENCE 6/9/1953 2 47270 FOLDER 431 A517187 41713479075278 FIRST PROGRESS REPORT OF SUB-COMMITTEE 2 (TECHNICAL) 6/9/1953 3 47270 FOLDER 431 A517188 41713519075282 REPORT OF THE INTELLIGENCE AND SECURITY SUB-COMMITTEE 6/9/1953 16 47270 FOLDER 431 A517190 41713569075288 MINUTES OF THE FIRST MEETING OF THE U.K./U.S. COMMUNICATIONS SECURITY CONFERENCE 6/5/1953 2 47270 FOLDER 431 A517194 41713609075292 IMPROVING THE COMMUNICATIONS SECURITY OF CERTAIN ALLIES IN NATO 5/1/1953 2 47270 FOLDER 431 A517198 41713659075297 OPENING REMARKS OF A U.S./U.K. COMINT CONFERENCE 5/29/1953 3 47270 FOLDER 431 A517200 41713709075300 AGENDA FOR THE PLENARY SESSION OF THE 1953 UK/US COMMUNICATIONS SECURITY CONFERENCE 6/5/1953 1 47270 FOLDER 431 A517202 41713799075310 DIRECTORY OF CONFERENCE 6/1/1953 10 47270 FOLDER 431 A517203 41713859075316 LIST OF PERSONNEL ATTENDING THE PLENARY SESSION 6/1/1953 2 47270 FOLDER 431 A517208 41713939075324 EXTENSION OF AGENDA IS AGREEABLE BASED UPON CITED REFERENCES 6/4/1953 1 47270 FOLDER 431 A517213 41713979075328 U.K. POSITION ON ALLIED COMMUNICATIONS SECURITY 6/1/1953 2 47270 FOLDER 431 A517216 41714029075333 COMMENTS ON UK POSITION PAPER 6/1/1953 3 47270 FOLDER 431 A517222 41714079075338 ALLIED (NATO) COMMUNICATION SECURITY 6/1/1953 2 47270 FOLDER 431 A517224 41714119075342 US/UK CONFERENCE ON NATO COMSEC 6/1/1953 10 47270 FOLDER 431 A517230 41714159075346 NOTE CONCERNING UNIDENTIFIED GUIDANCE THAT IS TO BE SOUGHT AFTER DISCUSSION 6/1/1953 2 47270 FOLDER 431 A517326 41714189075349 NOMINATION OF U.S. NAVY DELEGATE TO JUNE CONFERENCE 5/13/1953 1 47270 FOLDER 431 A517328 41714229075353 FOUR JUNE IS AGREEABLE FOR THE OPENING DATE OF THE CONFERENCE 5/14/1953 1 47270 FOLDER 431 A517330 41714259075356 COMPOSITION OF DELEGATION 5/12/1953 1 47270 FOLDER 431 A517331 41714279075358 REPRESENT CIA AT THE INTERNATIONAL CONFERENCE 5/1/1953 1 47270 FOLDER 431 A517334 41714309075361 LIST OF U.S. DELEGATES TO CONFERENCE 5/1/1953 1 47270 FOLDER 431 A517336 41714319075362 BRITISH STATE THAT THE EARLIEST POSSIBLE DATE FOR THE OPENING OF THE CONFERENCE IS 4 JUNE 5/7/1953 1 47270 FOLDER 431 A517348 41714349075365 TILTMAN SUGGESTS THAT THE CONFERENCE BEGIN ON 4 OR 5 JUNE 6/7/1953 3 47270 FOLDER 431 A517352 41714379075369 APPROACH TO THE UK EMBASSY INVOLVING COMINT MATERIALS 2/28/1952 2 47270 FOLDER 431 A517353 41714429075373 COMMUNICATION SECURITY 2/13/1952 1 47270 FOLDER 431 A517356 41714459075375 MINUTES OF MEETING OF USCIB AD HOC COMMITTEE ON THE SECURITY OF COMMUNICATIONS 2/14/1952 5 47270 FOLDER 431 A517358 41714529075383 COMMUNICATIONS SECURITY 1/24/1952 1 47270 FOLDER 431 A517360 41714579075388 COMMUNICATIONS SECURITY 1/18/1952 2 47270 FOLDER 431 A517365 41714609075391 ASA ORDERED THAT 25 MACHINES BE SENT TO EUROPE AND TO REPAIR AND HOLD THEM UNTIL FURTHER NOTICE 1/17/1952 1 47270 FOLDER 431 A517368 41714639075394 COMMUNICATION SECURITY; USCIB MEETING TO BE HELD ON 18 JANUARY 1952-BRIEFING SHEET ON ITEM 3 1/17/1952 5 47270 FOLDER 431 A517371 41714699075400 STATUS OF REPORT OF TRIPARTE WORKING GROUP 12/26/1951 1 47270 FOLDER 431 A517374 41714729075403 CHAIRMANSHIP OF AD HOC COMMITTEE ON COMMUNICATION SECURITY 7/2/1951 1 47270 FOLDER 431 A517376 41714769075407 CRYPTOGRAPHIC SECURITY ARRANGEMENTS 6/27/1951 3 47270 FOLDER 431 A517379 41714799075411 FRENCH CRYPTOGRAPHIC SECURITY 5/28/1951 2 47270 FOLDER 431 A517380 41714859075415 SECURITY OF COMMUNICATIONS 6/7/1951 1 47270 FOLDER 431 A517381 41714899075420 COMMUNICATION SECURITY 6/8/1951 1 47270 FOLDER 431 A517383 41714939075424 LIST OF MEMBERS OF THE AD HOC COMMITTEE--UNITED STATES 6/1/1951 1 47270 FOLDER 430 A517794 41714979075428 BRIEF OF AD HOC COMMITTEE REPORT ON ALLIED COMMUNICATION SECURITY 5/1/1953 2 47270 FOLDER 430 A517795 41715009075431 ALLIED (NATO) COMMUNICATION SECURITY 6/1/1953 2 47270 FOLDER 430 A517796 41715039075436 ALLIED (NATO) COMMUNICATION SECURITY 5/20/1953 82 47270 FOLDER 429 A517797 41715109075441 COMMENTS ON UK POSITION PAPER 5/28/1953 7 47270 FOLDER 429 A517798 41715139075444 RELEASE OF THE INFORMATION OBTAINED 4/24/1953 3 47270 FOLDER 429 A517799 41715159075447 REPORT ON VISIT 3/1/1953 6 47270 FOLDER 429 A517800 41715199075450 U.K./U.S. CONFERENCE ON SECURITY 5/26/1953 2

UNCLASSIFIED 45 UNCLASSIFIED

47270 FOLDER 429 A517801 41715229075455 ALLIED (NATO) COMMUNICATIONS SECURITY 5/27/1953 81 47270 FOLDER 435 A517802 41715289075459 PERSONAL LETTER FROM WILLIAM FRIEDMAN TO MR. WALTER EMERY 3/9/1953 1 47270 FOLDER 130 A521321 41761739080087 FOLDER COVER FOR PATENT PAPERS ON CONVERTER M134-T2 7/25/1933 1 47270 FOLDER 130 A521322 41761759080089 PATENT APPLICATION NO. 682,096 - WILLIAM F. FRIEDMAN - CRYPTOGRAPHIC SYSTEM 2/24/1942 6 47270 FOLDER 130 A521326 41761889080103 CONVERTER M-134-T2 WIRING AND INSTRUCTION BOOK DIAGRAMS 10/16/1936 3 47270 FOLDER 130 A521376 41761919080105 CONTINUANCE OF PATENT APPLICATION 682,096, CRYPTOGRAPHIC SYSTEM 11/3/1938 1 47270 FOLDER 130 A521389 41761939080107 REJECTION OF CLAIMS FOR PATENT APPLICATION 682,096 11/1/1938 1 47270 FOLDER 130 A521395 41761969080110 FINAL REJECTION FOR PATENT APPLICATION 682,096 9/10/1938 2 47270 FOLDER 130 A521401 41761989080111 PATENT ASSIGNMENT: SERIAL NO. 682,096 9/1/1936 2 47270 FOLDER 130 A521404 41762009080114 PATENT APPLICATION, SER. NO. 682,096, FILED JULY 25, 1933 IMPROVEMENT IN CRYPTOGRAPHIC SYSTEM 9/9/1936 1 47270 FOLDER 130 A521411 41762099080123 APPEAL FROM THE PRINCIPAL EXAMINER TO THE BOARD OF APPEALS; SERIAL: 682,096 4/14/1936 2 47270 FOLDER 130 A521418 41762119080125 RESPONSE TO AMENDMENT FOR PATENT APPLICATION 682,096 10/1/1935 1 47270 FOLDER 130 A521426 41762149080128 CORRECTIONS TO PATENT APPLICATION 7/26/1935 6 47270 FOLDER 130 A521432 41762189080132 PATENT APPLICATION SERIAL NO. 682,096 - CRYPTOGRAPHIC SYSTEM 1/20/1935 2 47270 FOLDER 130 A521451 41762239080137 RESPONSE TO PATENT APPLICATION 682,096 - CRYPTOGRAPHIC SYSTEM 12/5/1934 11 47270 FOLDER 130 A521453 41762219080135 RESPONSE TO AMENDMENT FOR PATENT APPLICATION 682,096 6/6/1934 2 47270 FOLDER 130 A521456 41762269080140 RESPONSE TO PATENT APPLICATION 682,096 FOR CRYPTOGRAPHIC SYSTEM 4/3/1934 8 47270 FOLDER 130 A521457 41762309080144 ALLEGED COMBINATION IN WHICH ONE ELEMENT IS NOVEL 1/1/1934 2 47270 FOLDER 130 A521459 41762339080147 COMMENTS ON PATENT EXAMINERS REPORT 2/27/1934 3 47270 FOLDER 130 A521461 41765409080451 PATENT APPLICATION FOR CRYPTOGRAPHIC SYSTEM 10/9/1933 3 47270 FOLDER 130 A521464 41765419080452 DESCRIPTION OF A CRYPTOGRAPHIC INVENTION 1/1/1933 27 47270 FOLDER 130 A521468 41765429080453 NEW PATENT APPLICATION, CRYPTOGRAPHIC SYSTEM (IMPROVEMENT ON SERIAL NO. 588,344) 7/12/1933 1 47270 FOLDER 130 A521469 41765439080454 WIRE DIAGRAM FOR KEY TAPE TRANSMITTER 5/1/1932 1 47270 FOLDER 130 A521498 41765449080455 MODIFICATION IN THE NAVY CIPHER MACHINE 4/23/1932 3 47270 FOLDER 428 A521501 41777929081706 REPORT OF THE TRIPARTITE (US-UK-FRENCH) SECURITY WORKING GROUP 3/2/1953 137 47270 FOLDER 427 A521507 41777689081679 NATIONAL MID-RANGE COMSEC PROGRAM 4/12/1954 24 47270 FOLDER 129 A521537 41765469080457 FOLDER COVER - MODIFIED M-134-T-2 6/30/1952 2 47270 FOLDER 129 A521538 41765489080459 PATENT APPLICATION NO. 107,244 PLACED UNDER PROVISIONS OF TITLE 35 U.S.C. (1952) SECTION 267 4/23/1953 2 47270 FOLDER 129 A521540 41765499080460 RESPONSE TO PATENT OFFICE ACTION OF 29 DECEMBER 1951 FOR PATENT APPLICATION 107,244 6/30/1952 4 47270 FOLDER 129 A521541 41765519080462 CHANGE TO PATENT APPLICATION 107,244 10/23/1936 1 47270 FOLDER 129 A521552 41765539080464 RESPONSE TO APPEAL FROM PATENT EXAMINER ON PATENT 107,244 12/29/1951 4 47270 FOLDER 129 A521556 41765559080466 APPEAL REGARDING PATENT APPLICATION 107,244 11/26/1951 4 47270 FOLDER 129 A521576 41765579080468 APPEAL FOR PATENT APPLICATION 107,244 9/26/1951 1 47270 FOLDER 129 A521579 41765599080469 PATENT EXAMINER RESPONDS TO AMENDMENT OF APRIL 30, 1947 REGARDING PATENT 107,244 9/27/1948 1 47270 FOLDER 129 A521632 41765609080471 PATENT OFFICE ACKNOWLEDGES RECEIPT OF LETTER TO THE SECRETARY OF WAR 7/15/1947 1 47270 FOLDER 129 A521636 41765649080475 AUTHORIZATION GIVEN FOR PATENT APPLICATION INSPECTION 6/5/1947 1 47270 FOLDER 129 A521638 41765629080473 SECRECY ORDER FOR PATENT APPLICATION 107,244 5/2/1947 4 47270 FOLDER 129 A521639 41765659080476 APPOINTMENT OF ASSOCIATE ATTORNEY 4/21/1947 1 47270 FOLDER 129 A521640 41765679080478 POWER OF ATTORNEY 4/21/1947 2 47270 FOLDER 129 A521643 41765699080480 AMENDMENT TO PATENT APPLICATION 107,244 4/30/1947 3 47270 FOLDER 129 A521646 41765719080482 U.S. PATENT OFFICE ACTION 5/5/1944 3 47270 FOLDER 129 A521649 41765739080483 AMENDMENT TO PATENT 107,244 2/12/1944 2 47270 FOLDER 129 A521650 41765749080485 U.S. PATENT OFFICE ACTION 4/18/1944 2 47270 FOLDER 129 A521652 41765769080487 PATENT APPLICATION OF W.F. FRIEDMAN 12/23/1943 2 47270 FOLDER 129 A521654 41765789080488 PATENT EXAMINER RESPONDS TO AMENDMENT FILED NOV. 28, 1940 3/26/1941 1 47270 FOLDER 129 A521657 41765799080490 AMENDMENT TO PATENT APPLICATION NO. 107,244 11/27/1940 4 47270 FOLDER 129 A521661 41765819080492 CLASSIFICATION QUESTION REGARDING PATENT APPLICATION S.N. 107,244 3/31/1941 1 47270 FOLDER 129 A521663 41765829080493 PATENT APPLICATION SERIAL NO. 107,244 5/3/1938 8 47270 FOLDER 129 A521669 41765839080494 CRYPTOGRAPHS, SER. NO. 107,244, FILED OCT 3, 1936 (IMPROVEMENT IN CONVERTER M-134-T2) 12/31/1937 2 47270 FOLDER 129 A521672 41765849080495 RESPONSE TO PATENT OFFICE ACTION OF MARCH 6, 1937 IN REGARDS TO PATENT 107,244 8/24/1937 4

UNCLASSIFIED 46 UNCLASSIFIED

47270 FOLDER 129 A521673 41765869080497 PATENT APPLICATION, SERIAL NO. 107,244 - CRYPTOGRAPHS IMPROVEMENT ON PATENT APPLICATION, SER. NO. 682,096 4/6/1937 1 47270 FOLDER 129 A521677 41765889080499 PATENT EXAMINER COMMENTS ON PATENT APPLICATION 107,244 3/6/1937 1 47270 FOLDER 129 A521678 41765899080500 NEW PATENT APPLICATION, IMPROVEMENT IN CRYPTOGRAPHS 10/13/1936 1 47270 FOLDER 129 A521681 41765919080503 DESCRIPTION OF CRYPTOGRAPHIC INVENTION 10/23/1936 16 47270 FOLDER 129 A521682 41765969080507 MINUTES OF SIGNAL CORPS PATENT BOARD MEETING NO. 2 4/17/1936 6 47270 FOLDER 129 A521685 41765989080509 MODIFICATION IN CONVERTER TYPE M-134-T2 IMPROVEMENT IN PRIOR PATENT APPLICATION SERIAL NO. 682,096 INVENTION OF MR. WM. F. FRIEDMAN 4/9/1936 2 47270 FOLDER 129 A521689 41766019080512 ACTION IN CONNECTION WITH ENDORSEMENT RE M-134-T2 4/24/1936 1 47270 FOLDER 129 A521705 41766049080515 PROPOSED MODIFICATION OF CONVERTER TYPE M-134T2 3/23/1936 3 47270 FOLDER 129 A521711 41766079080518 PATENT BOARD RECOMMENDATIONS FOR MODIFICATIONS IN CONVERTER M-134-T2 4/23/1936 3 47270 FOLDER 129 A521715 41766099080520 MODIFICATION IN CONVERTER TYPE M-134-T2 IMPROVEMENT IN PRIOR PATENT APPLICATION SERIAL NO. 682,096 INVENTION OF MR. WM. F. FRIEDMAN 4/9/1936 1 47270 FOLDER 129 A521721 41766119080522 MODIFICATION IN CONVERTER TYPE M-134-T2 IMPROVEMENT IN PRIOR PATENT APPLICATION SERIAL NO. 682,096 INVENTION OF MR. WM. F. FRIEDMAN 4/9/1936 2 47270 FOLDER 129 A521723 41766139080524 MINUTES OF SIGNAL BOARD PATENT BOARD MEETING NO. 2 4/17/1936 4 47270 FOLDER 129 A521740 41766159080526 SPECIFICATIONS AND DRAWINGS OF PROPOSED MODIFICATION OF CONVERTER TYPE M-134T2 3/23/1936 38 47270 FOLDER 129 A521741 41766179080528 INVENTION OF CIPHER WHEEL CONTROL MECHANISM FOR A CIPHER MACHINE OF THE TYPE OF CONVERTER M-134-T2 4/8/1935 1 47270 FOLDER 129 A521758 41766189080530 INVENTION OF CIPHER WHEEL CONTROL MECHANISM FOR A CIPHER MACHINE OF THE TYPE OF CONVERTER M-134-T2 4/8/1935 11 47270 FOLDER 128 A521766 41766209080531 FOLDER COVER - SINGLE-COMMUTATOR CRYPTOGRAPH 1/1/1936 2 47270 FOLDER 128 A521770 41766229080533 PATENT 2,028,772 - CRYPTOGRAPHIC SYSTEM 1/28/1936 11 47270 FOLDER 128 A521773 41766249080535 RESPONSE TO PATENT OFFICE ACTION OF APRIL 1, 1935 9/30/1935 1 47270 FOLDER 128 A521775 41766269080537 PATENT EXAMINER RESPONDS TO PATENT SERIAL NO. 588,344 AMENDMENT FILED FEB. 26, 1935 4/1/1935 2 47270 FOLDER 128 A521776 41766289080539 RESPONSE TO PATENT OFFICE ACTION OF SEPTEMBER 7, 1934 RE PATENT SERIAL NO. 588,344 2/26/1935 4 47270 FOLDER 128 A521778 41766299080540 PATENT EXAMINERS RESPONSE TO AMENDMENT FILED JULY 31, 1934 9/7/1934 3 47270 FOLDER 128 A521788 41766339080544 RESPONSE TO PATENT OFFICE DATED FEB 15, 1934 IN REGARD TO PATENT SERIAL NO. 588,344 7/31/1934 9 47270 FOLDER 128 A521790 41766359080546 EXAMINERS RESPONSE TO PATENT APPLICATION NO. 588, 344 AMENDMENT FILED FEBRUARY 6, 1934 2/15/1934 3 47270 FOLDER 128 A521923 41766379080548 RESPONSE TO PATENT OFFICE ACTION DATED SEPTEMBER 21, 1933 FOR PATENT 588,344 2/5/1934 1 47270 FOLDER 128 A521940 41766399080550 EXAMINER RESPONDS TO AMENDMENT OF JUNE 22, 1933 REGARDING PATENT 588,344 9/21/1933 1 47270 FOLDER 128 A522066 41766909080601 CHIEF SIGNAL OFFICER DIRECTS SECTION TO SECURE ISSUANCE OF PATENT APPLICATION NO. 583,344 2/2/1934 1 47270 FOLDER 128 A522068 41766919080602 FRIEDMAN ET AL - CRYPTOGRAPHIC SYSTEM PATENT APPLICATION SERIAL NO. 588,344 12/21/1933 3 47270 FOLDER 128 A522070 41766929080603 CLASSIFICATION REGARDING MR. FRIEDMAN'S PATENT 1/2/1934 1 47270 FOLDER 128 A522073 41766939080604 PROS AND CONS FOR ALLOWING ISSUANCE OF PATENT 12/19/1933 2 47270 FOLDER 128 A522079 41766949080605 MODIFICATION OF WIRING DIAGRAM ON BLUE PRINT ES-B-1177A 2/24/1933 6 47270 FOLDER 128 A522083 41766959080606 STATUS OF PATENT APPLICATION SERIAL 588,344 - M-134-T2 11/27/1933 1 47270 FOLDER 128 A522088 41766969080607 FRIEDMAN FORWARDS MEMORANDUM OF INTEREST TO SIGNAL CORPS LABORATORIES 11/22/1933 1 47270 FOLDER 128 A522089 41766979080608 LETTER FROM FRIEDMAN TO SIGNALS CORPS LABORATORIES 9/12/1933 1 47270 FOLDER 128 A522090 41766989080609 STATUS ON THE PROGRESS OF NEW CIPHER MACHINE 9/13/1933 2 47270 FOLDER 128 A522091 41766999080610 PATENT APPLICATION SERIAL NO. 588,344, FILED JANUARY 23, 1932 CRYPTOGRAPHIC SYSTEM 9/12/1933 2 47270 FOLDER 128 A522092 41767009080611 SUPPLEMENTAL TO AMENDMENT FOR PATENT APPLICATION 588,344 6/22/1933 1 47270 FOLDER 128 A522094 41767039080614 RESPONSE TO AMENDMENT FOR PATENT APPLICATION 588,344 6/21/1933 1 47270 FOLDER 128 A522096 41767079080618 RESPONSE TO PATENT OFFICE ACTION DATED DECEMBER 22, 1932 REGARDING PATENT APPLICATION 588,344 6/19/1933 1 47270 FOLDER 128 A522097 41767099080620 PATENT EXAMINER RESPONDS TO AMENDMENT OF SEPTEMBER 26, 1932 REGARDING PATENT APPLICATION 588,344 1/23/1932 1 47270 FOLDER 128 A522098 41767059080616 CONVERTOR, TYPE M-134 4/12/1933 4 47270 FOLDER 128 A522101 41767109080621 DRAFT OF "MILITARY CHARACTERISTICS OF A CIPHER MACHINE" FOR USE IN MESSAGE CENTERS OF DIVISION AND HIGHER HEADQUARTERS 3/1/1933 4 47270 FOLDER 128 A522103 41767119080622 CONVERTER TYPE M-134-T1 4/12/1933 1 47270 FOLDER 128 A522105 41767129080623 REPORT ON SIGNAL CORPS CONVERTER, TYPE M-134 3/28/1933 11 47270 FOLDER 128 A522107 41767139080624 ADDITIONAL TAPE TRANSMITTER FOR CIPHER MACHINE 3/11/1933 3 47270 FOLDER 128 A522108 41767149080625 DESCRIPTION AND OPERATING INSTRUCTIONS FOR CONVERTER, TYPE M-134-T1 2/27/1933 6 47270 FOLDER 128 A522112 41767169080627 RECOMMENDATIONS AND COMMENTS REGARDING CIPHER DEVICE 2/2/1933 2 47270 FOLDER 128 A522114 41767189080629 PRELIMINARY REPORT ON SIGNAL CORPS CONVERTER, TYPE M-134 1/20/1933 6 47270 FOLDER 128 A522115 41767219080632 CORRECTION TO PATENT APPLICATION 588,344 9/26/1932 1 47270 FOLDER 128 A522118 41767249080635 SUBMISSION OF PATENT COPY TO AT&T 6/6/1932 1 47270 FOLDER 128 A522119 41767259080636 SUBMISSION OF A COPY OF PATENT TO AT&T 5/27/1932 2

UNCLASSIFIED 47 UNCLASSIFIED

47270 FOLDER 128 A522120 41767269080637 IMPROVEMENT OF THE STEPPING ARRANGEMENT 5/23/1932 1 47270 FOLDER 128 A522121 41767279080638 GEORGE A GRAHAM WANTS TO RETAIN ORIGINAL PATENT NR. 1,857,374 5/19/1932 1 47270 FOLDER 128 A522122 41767289080639 COMMENTS REGARDING PATENT APPLICATION 4/28/1932 2 47270 FOLDER 128 A522123 41767299080640 PATENT ISSUES 4/22/1932 2 47270 FOLDER 128 A522124 41767309080641 PATENT APPLICATION, SERIAL NO. 588,344 CRYPTOGRAPHIC SYSTEM 4/20/1932 1 47270 FOLDER 128 A522125 41767319080642 STATUS OF PATENT 4/18/1932 1 47270 FOLDER 128 A522126 41767329080643 COMMENTS REGARDING FIRST ACTION ON CIPHER MACHINE PATENT APPLICATION 8/3/1932 1 47270 FOLDER 128 A522127 41767339080644 PATENT EXAMINER COMMENTS 4/9/1932 1 47270 FOLDER 128 A522128 41767349080645 PAPERS IN THE CASE OF THE CIPHER MACHINE INVENTION 1/13/1932 34 47270 FOLDER 128 A522129 41767359080646 STATUS OF CIPHER MACHINE SPEED 4/7/1932 1 47270 FOLDER 128 A522142 41767369080647 PATENT APPLICATION FOR ADAPTER 3/26/1932 1 47270 FOLDER 128 A522145 41767389080649 COMMENTS ON FIX TO CIPHER WHEEL PATENT 3/25/1932 2 47270 FOLDER 128 A522146 41762049080117 RECORD OF MILITARY INVENTION - CRYPTOGRAPHIC SYSTEM 1/29/1932 6 47270 FOLDER 128 A522151 41767399080650 CIRCUMSTANCES WHICH ESTABLISH THE DATE OF COMPLETION REGARDING INVENTION 1/27/1932 3 47270 FOLDER 128 A522152 41767449080655 DISTRIBUTION LIST WITH HANDWRITTEN NOTE FROM FRIEDMAN 1/22/1932 2 47270 FOLDER 128 A522154 41767419080652 REPORT ON VISIT TO THE SIGNAL CORPS LABORATORIES BY MR. FRIEDMAN 3/29/1932 4 47270 FOLDER 128 A522155 41767509080661 SUGGESTIONS ON DRAFT OF PATENT APPLICATION FOR CIPHER MACHINE 9/11/1931 2 47270 FOLDER 128 A522164 41767469080657 OBJECT OF CIPHER MACHINE INVENTION WITH DRAWINGS 1/1/1931 33 47270 FOLDER 128 A522170 41767529080663 DISTRIBUTION LIST WITH HANDWRITTEN NOTE 9/11/1931 1 47270 FOLDER 128 A522171 41767579080668 DISTRIBUTION LIST 9/12/1931 1 47270 FOLDER 128 A522172 41767599080670 DISTRIBUTION LIST WITH HANDWRITTEN NOTE 9/12/1931 1 47270 FOLDER 128 A522173 41767629080673 DISTRIBUTION LIST WITH HANDWRITTEN NOTE 9/14/1931 2 47270 FOLDER 128 A522174 41767659080676 SPECIFICATIONS AND CLAIMS APPLICABLE TO CIPHER MACHINE INVENTION 8/21/1931 37 47270 FOLDER 128 A522181 41767679080678 LETTER REGARDING DEVELOPMENT OF CIPHER MACHINE 7/24/1931 1 47270 FOLDER 128 A522183 41767699080680 NOTE REGARDING CONFERENCE 2/27/1931 1 47270 FOLDER 128 A522188 41767969080707 LETTER REGARDING CIPHER TAPES AND DISCUSSION ON CIPHER WHEEL INVENTION 2/25/1931 2 47270 FOLDER 128 A522194 41767979080708 INFORMATION REGARDING CIPHER INVENTION 2/20/1931 3 47270 FOLDER 128 A522195 41767999080710 EXTRACT FROM REPORT OF SIGNAL CORPS LABORATORIES FOR MONTH OF DECEMBER, 1930 1/1/1931 1 47270 FOLDER 128 A522201 41768029080712 SPECIFICATION FOR FIELD CIPHER MACHINE 11/25/1930 12 47270 FOLDER 128 A522226 41768059080717 DESCRIPTION OF CRYPTOGRAPH SYSTEM 9/3/1930 27 47270 FOLDER 128 A522233 41768089080719 INFORMATION REGARDING CIPHER MACHINE INVENTION 8/5/1930 2 47270 FOLDER 128 A522259 41768309080740 REQUEST FOR SKETCHES IN CONJUNCTION WITH CIPHER INVENTION 7/28/1930 1 47270 FOLDER 128 A522273 41762069080120 CIPHER WHEEL DRAWINGS 7/18/1930 12 47270 FOLDER 127 A522292 41768339080743 FOLDER COVER - METHOD OF COMMUTATION CONTROL FOR M-34-T2 7/9/1935 1 47270 FOLDER 127 A522293 41768329080742 CRYPTOGRAPHIC SECURITY PROVIDED BY CONVERTER M-134-T2 7/9/1935 1 47270 FOLDER 127 A522295 41768359080745 CONVERTER M-134-T2 6/25/1935 5 47270 FOLDER 126 A522304 41768379080747 DESCRIPTION AND OPERATING INSTRUCTIONS FOR CONVERTER, TYPE M-134 2/14/1933 19 47270 FOLDER 125 A522321 41768389080748 MECHANICAL AND ELECTRICAL CIPHER MACHINES APPARATUS ELECTRICAL AND MECHANICAL FOR BREAKING CODES AND CIPHERS; SIGNAL CORPS LABORATORIES ANNUAL REPORT FOR7/10/1937 FISCAL YEAR 1937 12 47270 FOLDER 123 A522328 41768449080756 HISTORY OF CONVERTER M-134-C VOLUME 1 4/3/1952 152 47270 FOLDER 426 A522341 41777739081682 US/UK COMPROMISE HOPING FRENCH DELEGATION WILL MEET OBJECTIVE 10/21/1953 1 47270 FOLDER 426 A522343 41776569081565 QUAI D'ORSAY REQUEST FOR PURCHASE OF MACHINES; SUBSTANCE OF A 7 JANUARY '54 CIA MEMORANDUM 1/8/1954 1 47270 FOLDER 426 A522345 41773889081297 TELEGRAM FROM DIRECTOR GCHQ TO SLO, WASHINGTON DATED 7TH JANUARY 1/7/1954 1 47270 FOLDER 426 A522348 41773989081307 U.S. UNABLE TO ACCEPT PROPOSALS CONTAINED IN GCHQ 141528Z 10/26/1953 1 47270 FOLDER 426 A522350 41774229081331 BRITISH, FRENCH AND U.S. DISCUSS "SECURE" SECURITY WORKING GROUP FOR TECHNICAL DISCUSSIONS 9/30/1953 1 47270 FOLDER 426 A522351 41773949081303 DELAY TSWG MEETING TILL AFTER FIRST OF YEAR 10/2/1953 1 47270 FOLDER 426 A522352 41773909081299 FORMAL ACTION BY WORKING GROUP DELAYED 10/21/1953 1 47270 FOLDER 426 A522353 41773929081301 NSA CONCURRENCE RECOMMENDED 10/14/1953 1 47270 FOLDER 426 A522354 41774019081310 RESULTS OF T.S.W.G MEETING ON 13 OCTOBER 10/14/1953 2 47270 FOLDER 426 A522456 41774159081324 US/UK COMSEC CONFERENCE; PARTICIPATION BY FRENCH POSTPONED 9/26/1953 3 47270 FOLDER 426 A522459 41773969081305 SECURITY OF FRENCH COMMUNICATIONS CONCERNING THE BERLIN CONFERENCE OF FOREIGN MINISTERS 1/8/1954 1

UNCLASSIFIED 48 UNCLASSIFIED

47270 FOLDER 426 A522461 41773959081304 CRYPTOGRAPHIC ASSISTANCE TO QUAI D'ORSAY 1/23/1954 4 47270 FOLDER 426 A522470 41774899081398 AIDE-MEMOIRE, PARAGRAPH 5 2/2/1954 4 47270 FOLDER 426 A522471 41773999081309 NSA (PROD) COMMENTS 1/29/1954 3 47270 FOLDER 426 A522476 41774039081312 AMENDMENTS TO PAPERS OF COMBINED WORKING GROUP FOR ALLIED COMMUNICATIONS SECURITY 11/27/1953 1 47270 FOLDER 426 A522487 42030909106972 PREPARATION OF AGENDA FOR CRYPTOGRAPHY DISCUSSIONS WITH FRENCH 12/1/1953 3 47270 FOLDER 426 A522490 41774469081355 AGREED PORTION OF BRIEF FOR APPROACH TO THE FRENCH ON COMMUNICATIONS SECURITY BY US AND UK AMBASSADORS 12/2/1953 7 47270 FOLDER 202 A522495 41766899080600 LOG OF MESSAGES FROM STATION "S" TO OP20GY - 5 DEC 1941 TO 7 DEC 1941 2/15/1944 1 47270 FOLDER 426 A522502 41774029081311 DRAFT MEMORANDUM FOR STANDING GROUP TO ISSUE 11/25/1953 3 47270 FOLDER 426 A522518 41774629081371 SCHEDULE FOR CRYPTOGRAPHY TALKS IN PARIS 2/24/1954 2 47270 FOLDER 426 A522520 41774049081313 U.K. COMMENTS ON THE U.S. DRAFTS FORWARDED TO LONDON, DECEMBER 23RD, 1953 12/23/1953 7 47270 FOLDER 425 A522530 41774259081336 U.S. COMMUNICATIONS SECURITY EQUIPMENTS AND U.K. CRYPTOGRAPHIC EQUIPMENTS 8/1/1953 79 47270 FOLDER 425 A522534 41774489081357 UK/US COMSEC CONFERENCE 9/11/1953 13 47270 FOLDER 424 A522570 41774989081407 REPORT OF THE U.K. - U.S. CONFERENCE ON SECURITY OF FRENCH COMMUNICATIONS HELD AT WASHINGTON, 1 MAY-14 MAY, 1951 5/14/1951 16 47270 FOLDER 424 A522572 41774449081353 FRENCH COMMUNICATION SECURITY 1/14/1952 2 47270 FOLDER 424 A522574 41774349081343 FRENCH COMMUNICATION SECURITY 6/11/1951 2 47270 FOLDER 424 A522579 41774409081350 REPORT TO THE LONDON SIGNAL INTELLIGENCE BOARD AND THE UNITED STATES COMMUNICATIONS INTELLIGENCE BOARD ON THE U.K.-U.S. CONFERENCE ON THE SECURITY OF FRENCH5/14/1951 COMMUNICATIONS23 HELD AT WASHINGTON, D.C., COMMENCING 1 MAY 1951 47270 FOLDER 424 A522581 41774319081340 MEMORANDUM FOR AFSA-00B 5/9/1951 1 47270 FOLDER 424 A522602 41774369081346 TENTATIVE DRAFT REPORT BY THE COMMITTEE ON SECURITY TO THE EXECUTIVE COMMITTEE OF THE U.K.-U.S. CONFERENCE ON SECURITY OF FRENCH COMMUNICATIONS 5/8/1951 13 47270 FOLDER 424 A522606 41774509081359 REPORT BY THE TECHNICAL COMMITTEE TO THE EXECUTIVE COMMITTEE OF THE U.K.-U.S. CONFERENCE ON SECURITY OF FRENCH COMMUNICATIONS 5/7/1951 11 47270 FOLDER 424 A522609 41774689081377 IMMEDIATE CONCLUSION AND RECOMMENDATION PRESENTED BY THE SUBCOMMITTEE ON SECURITY 5/3/1951 1 47270 FOLDER 424 A522612 41775229081431 U.S.-U.K. CONFERENCE ON FRENCH COMMUNICATIONS SECURITY, MINUTES OF THE SECOND MEETING OF THE EXECUTIVE COMMITTEE 5/2/1951 4 47270 FOLDER 424 A522615 41774559081364 U.S.-U.K. CONFERENCE ON FRENCH COMMUNICATIONS SECURITY, MINUTES OF THE FIRST MEETING OF THE EXECUTIVE COMMITTEE 5/1/1951 2 47270 FOLDER 424 A522617 41777409081649 U.S.-U.K. CONFERENCE ON FRENCH COMMUNICATIONS SECURITY, MINUTES OF THE OPENING SESSION 5/1/1951 4 47270 FOLDER 424 A522618 41774819081390 U.K.-U.S. CONFERENCE ON SECURITY OF FRENCH COMMUNICATIONS, AGENDA FOR OPENING SESSION 5/1/1951 5 47270 FOLDER 424 A522620 41774579081366 MESSAGE TO NSS, MR. FRIEDMAN 5/1/1951 1 47270 FOLDER 424 A522623 41775389081448 A SUMMARY OF THE HISTORY OF COLLABORATION AMONG FRENCH CRYPTOLOGIC AGENCIES 1909-1939 4/30/1951 8 47270 FOLDER 424 A522625 41774529081361 SIGABA AND SIGROD MACHINES 12/31/1949 2 47270 FOLDER 424 A522626 41774669081375 COMMENTS ON TWO U.K. PAPERS, DGC/1640 AND DGC/1643 4/28/1951 1 47270 FOLDER 424 A522630 41774649081373 DECISIONS REACHED AT A CONFERENCE HELD AT 0930, 27 APRIL 1951, RELATING TO THE SECURITY OF FRENCH COMMUNICATIONS 4/27/1951 2 47270 FOLDER 424 A522631 41774779081386 REPORT OF U.S. SUBCOMMITTEE ON SECURITY, U.S. - U.K. CONFERENCE ON INSECURITY OF FRENCH COMMUNICATIONS 4/27/1951 1 47270 FOLDER 424 A522633 41774829081391 U.S - U.K. CONFERENCE ON FRENCH INSECURITY 4/26/1951 7 47270 FOLDER 424 A522634 41774679081376 U.S./U.K. CONFERENCE ON FRENCH COMMUNICATION INSECURITY 4/26/1951 3 47270 FOLDER 424 A522637 41774769081385 OPENING PLENARY SESSION AND FIRST MEETING OF THE EXECUTIVE COMMITTEE 4/25/1951 1 47270 FOLDER 424 A522639 41774849081393 PROPOSED STEPS TO BE USED REGARDING CRYPTO EQUIPMENTS 4/27/1951 1 47270 FOLDER 424 A522640 41774709081378 REPORT OF U.S. SUBCOMMITTEE ON SECURITY , U.S. - U.K. CONFERENCE ON INSECURITY OF FRENCH COMMUNICATIONS 4/27/1951 1 47270 FOLDER 424 A522691 41775069081415 U.S. - U.K. CONFERENCE ON FRENCH COMMUNICATION INSECURITY 4/25/1951 2 47270 FOLDER 424 A522694 41774929081401 STAFF STUDY ON THE IMPROVEMENT OF FRENCH COMMUNICATIONS 4/20/1951 21 47270 FOLDER 424 A522695 41775249081433 FRENCH CIPHER SECURITY 4/17/1951 1 47270 FOLDER 424 A522696 41774809081389 BRITISH VIEW ON TECHNICAL ASPECTS OF FRENCH DIPLOMATIC AND MILITARY CIPHER SECURITY 4/16/1951 1 47270 FOLDER 424 A522699 41774759081384 LSIB IN GENERAL AGREEMENT TO PROPOSED AGENDA 4/11/1951 1 47270 FOLDER 424 A522701 41775159081424 AGENDA ITEMS FOR CONFERENCE ON FRENCH CYPHERS 4/11/1951 1 47270 FOLDER 424 A522702 41775109081421 A STUDY OF FRENCH COMMUNICATIONS DOCTRINE AND PRACTICE 4/9/1951 34 47270 FOLDER 424 A522703 41775029081411 USCIB 14/122 4/2/1951 1 47270 FOLDER 424 A522706 41774879081396 FRENCH COMMUNICATIONS SECURITY 3/26/1951 3 47270 FOLDER 424 A522709 41775299081438 CIPHER PLANS 2/27/1951 1 47270 FOLDER 424 A522710 41775489081457 FRENCH ATTITUDE TOWARD SECURITY 3/13/1951 2 47270 FOLDER 424 A522712 41775649081473 HAGELIN MACHINE CONVERTER (CIPHER), M-209-B 2/9/1951 4 47270 FOLDER 424 A522714 41775699081478 LSIB PROPOSALS RE FRENCH SECURITY 2/7/1951 14 47270 FOLDER 424 A522718 41775309081439 FOURTH MEETING OF THE AD HOC COMMITTEE APPOINTED BY DIRAFSA TO CONSIDER THE PROBLEM OF FRENCH SECURITY 2/3/1951 1 47270 FOLDER 424 A522720 41775629081471 THIRD MEETING OF THE AD HOC COMMITTEE APPOINTED BY DIRAFSA TO CONSIDER THE PROBLEM OF FRENCH SECURITY 1/30/1951 2

UNCLASSIFIED 49 UNCLASSIFIED

47270 FOLDER 424 A522723 41775679081476 SECOND MEETING OF THE AD HOC COMMITTEE APPOINTED BY DIRAFSA TO CONSIDER THE PROBLEM OF FRENCH SECURITY 1/26/1951 2 47270 FOLDER 424 A522725 41775519081460 FIRST MEETING OF THE AD HOC COMMITTEE APPOINTED BY DIRAFSA TO CONSIDER THE PROBLEM OF FRENCH SECURITY 1/25/1951 4 47270 FOLDER 424 A522729 41775469081455 TENTATIVE DRAFT - FRENCH CRYPTOGRAPHIC SYSTEMS 1/25/1951 5 47270 FOLDER 424 A522772 41775549081463 LSIB PROPOSALS RE FRENCH SECURITY 2/7/1951 4 47270 FOLDER 424 A522787 41775419081451 STATUS OF FRENCH SECURITY PROBLEM 1/23/1951 27 47270 FOLDER 424 A522789 41776199081528 COOPERATION WITH GCHQ IN REGARD TO ACTION REQUIRED ON INSECURITY OF FRENCH COMMUNICATIONS 1/22/1951 1 47270 FOLDER 424 A522790 41775799081488 COOPERATION WITH GCHQ IN REGARD TO ACTION REQUIRED ON INSECURITY OF FRENCH COMMUNICATIONS, DRAFT 1/19/1951 4 47270 FOLDER 424 A522792 41775779081486 FRENCH INSECURITY 1/17/1951 1 47270 FOLDER 424 A522793 41775729081481 SECURITY OF FOREIGN COMMUNICATIONS 1/8/1951 3 47270 FOLDER 424 A522795 41775749081483 FRENCH DIPLOMATIC CRYPTOGRAPHIC SECURITY 11/10/1950 9 47270 FOLDER 424 A522818 41776339081543 PROPOSED MEASURES FOR IMPROVING THE CIPHER SECURITY OF WESTERN UNION COMMUNICATIONS 7/20/1949 5 47270 FOLDER 423 A522837 41776029081511 RELEASE OF AFSAM 7 2/26/1954 1 47270 FOLDER 423 A522842 41776279081536 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953, FINAL PLENARY SESSION 11/10/1953 5 47270 FOLDER 423 A522850 41776239081533 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953, REPORT OF THE EXECUTIVE COMMITTEE TO THE PLENARY COMMITTEE 11/10/1953 16 47270 FOLDER 423 A522855 41776129081521 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953, REPORT OF THE OPERATIONAL REQUIREMENTS SUB-COMMITTEE TO THE EXECUTIVE COMMITTEE, ON-LINE TELETYPEWRITER11/9/1953 SECURITY EQUIPMENTS:9 SPEECH SECURITY EQUIPMENTS 47270 FOLDER 423 A522894 41775879081496 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953, REPORT OF THE OPERATIONAL REQUIREMENTS SUB-COMMITTEE TO THE EXECUTIVE COMMITTEE, SECURITY DEVICES FOR I.F.F.,11/9/1953 NAVIGATIONAL AIDS 5AND DATA TRANSMISSION SYSTEMS 47270 FOLDER 423 A522907 41775939081503 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 REPORT OF THE OPERATIONAL REQUIREMENTS SUB-COMMITTEE TO THE EXECUTIVE COMMITTEE, TRANSMISSION SECURITY11/2/1953 5 47270 FOLDER 423 A522911 41775829081492 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 REPORT OF THE OPERATIONAL REQUIREMENTS SUB-COMMITTEE TO THE EXECUTIVE COMMITTEE, UK/US/NATO OPERATIONAL11/6/1953 REQUIREMENT FOR OFF-LINE8 CRYPTOSYSTEMS 47270 FOLDER 423 A522914 41775899081498 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 REPORT OF THE OPERATIONAL REQUIREMENTS SUB-COMMITTEE ON COMBINED AND NATO REQUIREMENTS FOR FACSIMILE11/6/1953 SECURITY EQUIPMENTS AND6 FOR CRYPTOGRAPHIC SYSTEMS FOR METEOROLOGICAL TRAFFIC 47270 FOLDER 423 A522915 41776019081510 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 REPORT OF THE OPERATIONAL REQUIREMENTS SUB-COMMITTEE TO THE EXECUTIVE COMMITTEE, EXPRESSION OF SECURITY11/2/1953 REQUIREMENTS 2 47270 FOLDER 423 A522917 41776219081530 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 REPORT OF THE ENGINEERING COMMITTEE - PHASE I TO THE EXECUTIVE COMMITTEE 10/29/1953 3 47270 FOLDER 423 A522919 41775929081501 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 REPORT OF THE ENGINEERING COMMITTEE - PHASE I TO THE EXECUTIVE COMMITTEE 10/29/1953 3 47270 FOLDER 423 A522921 41776079081517 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 REPORT OF THE SECURITY SUB-COMMITTEE TO THE EXECUTIVE COMMITTEE 11/6/1953 31 47270 FOLDER 423 A522923 41775979081507 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 REPORT OF THE SECURITY SUB-COMMITTEE TO THE EXECUTIVE COMMITTEE 11/3/1953 45 47270 FOLDER 423 A522929 41776769081585 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 MINUTES OF THE FOURTH MEETING OF THE EXECUTIVE COMMITTEE 11/9/1953 2 47270 FOLDER 423 A522933 41776059081514 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 MINUTES OF THE THIRD MEETING OF THE EXECUTIVE COMMITTEE 11/5/1953 2 47270 FOLDER 423 A522935 41776309081539 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 MINUTES OF THE SECOND MEETING OF THE EXECUTIVE COMMITTEE 10/29/1953 2 47270 FOLDER 423 A522941 41776149081523 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 MINUTES OF THE FIRST PLENARY SESSION 10/26/1953 4 47270 FOLDER 423 A522949 41776319081541 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 MINUTES OF THE FIRST MEETING OF THE EXECUTIVE COMMITTEE 10/26/1953 3 47270 FOLDER 423 A522956 41776169081525 UK/US COMMUNICATIONS SECURITY CONFERENCE 1953 MINUTES OF THE FIRST PLENARY SESSION 10/26/1953 9 47270 FOLDER 423 A522975 41776539081562 THREE BRITISH SERVICES APPROVED AFSAM 7 10/22/1953 1 47270 FOLDER 423 A522984 41776389081547 QUERY BRITISH REACTION TO AFSAM 7 FOR COMBINED AND NATO USE 10/21/1953 1 47270 FOLDER 423 A522989 41776479081556 CANADIAN REPRESENTATIVE AT COMSEC CONFERENCE 10/1/1953 1 47270 FOLDER 423 A522998 41777219081630 LIST OF EQUIPMENTS KNOWN TO CANADIAN GOVERNMENT 10/1/1953 1 47270 FOLDER 423 A523001 41776379081546 COMSEC DIRECTIVE APPROVED 20 OCTOBER 10/29/1953 1 47270 FOLDER 423 A523009 41776419081550 QUERY NAMES OF NEW CYPHER POLICY BOARD 10/26/1953 1 47270 FOLDER 423 A523012 41776879081597 BRUSA COMSEC CONFERENCE, LONDON 12/31/1953 9 47270 FOLDER 422 A523018 41776429081551 UK/US COMMUNICATIONS SECURITY CONFERENCE, 1953 (JCS 2074/29) 2/9/1954 1 47270 FOLDER 422 A523021 41776459081554 REPORT OF THE U.K./U.S. COMMUNICATION SECURITY CONFERENCE, 1953 2/24/1953 15 47270 FOLDER 422 A523023 41776509081559 FORTY-FIRST MEETING 2/15/1954 2 47270 FOLDER 422 A523025 41776649081573 REPORT OF THE UK/US COMMUNICATIONS SECURITY CONFERENCE, 1953 1/11/1954 2 47270 FOLDER 422 A523031 41776609081570 REPORT OF THE U.K./U.S. COMMUNICATION SECURITY CONFERENCE, 1953 2/15/1954 19 47270 FOLDER 422 A523033 41776849081593 U.K./U.S. COMMUNICATIONS SECURITY CONFERENCE, 1953 8/26/1953 1 47270 FOLDER 422 A523034 41776729081581 U.K./U.S. COMSEC EQUIPMENT CONFERENCE, 1953 10/12/1953 1 47270 FOLDER 422 A523035 41776689081578 MINUTES OF FIRST MEETING US DELEGATION BRUSA COMMUNICATIONS SECURITY CONFERENCE, 1953 9/3/1953 10 47270 FOLDER 422 A523036 41777309081639 UK/US COMSEC CONFERENCE 8/31/1953 1 47270 FOLDER 422 A523037 41776819081590 NSA REPRESENTATION - 1953 UK/US COMSEC CONFERENCE, LONDON 8/27/1953 1 47270 FOLDER 422 A523040 41777209081629 VISIT TO COMMERCIAL ORGANIZATIONS IN EUROPE 8/21/1953 2 47270 FOLDER 422 A523104 41777139081622 SERVICE REPRESENTATION AT 1953 UK/US COMSEC CONFERENCE 8/21/1953 1 47270 FOLDER 422 A523105 41777299081638 UK/US COMSEC CONFERENCE 8/19/1953 3

UNCLASSIFIED 50 UNCLASSIFIED

47270 FOLDER 422 A523108 41777279081636 SELECTION OF NSA DELEGATES TO 1953 UK/US COMSEC CONFERENCE 8/13/1953 2 47270 FOLDER 422 A523111 41777159081624 1953 UK/US COMSEC CONFERENCE 7/1/1953 8 47270 FOLDER 422 A523114 41777249081633 US BRUSA REPORTS TO BE AVAILABLE FOR 1953 BRUSA COMSEC CONFERENCE 7/29/1953 5 47270 FOLDER 422 A523115 41777359081644 DELEGATION NAMED FOR THE US/UK COMSEC EQUIPMENT R&D CONFERENCE IN LONDON, 1950 7/27/1953 1 47270 FOLDER 422 A523116 41777099081618 LIST OF COMMERCIAL ORGANIZATIONS TO BE VISITED PRIOR TO THE UK/US COMSEC CONFERENCE 7/15/1953 1 47270 FOLDER 422 A523118 41777339081642 NSA POLICY AND PROCEDURE ON DISCLOSURE OF CRYPTOGRAPHIC INFORMATION TO FOREIGN NATIONS 7/2/1953 1 47270 FOLDER 422 A523120 41777759081684 PEACETIME COMMUNICATION INTELLIGENCE RADIO INTERCEPT REQUIREMENTS OF THE UNITED STATES 2/24/1954 1 47270 FOLDER 422 A523121 41777449081653 USCIB 23/67 7/6/1953 3 47270 FOLDER 422 A523123 41777389081647 REPORT ON U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 7/1/1953 1 47270 FOLDER 422 A523124 41777469081655 NATO NATION LEFT OUT OF DISCUSSIONS - CANADA 7/1/1953 1 47270 FOLDER 422 A523125 41777489081657 SUMMARY OF POINTS - FRENCH AND NATO COMMUNICATIONS INSECURITY 7/1/1953 2 47270 FOLDER 422 A523128 41777799081688 BRIEF ON CONFERENCE REPORT (USCIB 23/65) 6/13/1953 4 47270 FOLDER 422 A523132 41777579081666 BRUSA CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 6/15/1953 6 47270 FOLDER 422 A523134 41777649081673 SPECIAL MEETING OF USCIBEC 6/30/1953 1 47270 FOLDER 422 A523137 41777529081662 EIGHTY-FIFTH MEETING OF THE UNITED STATES COMMUNICATIONS INTELLIGENCE BOARD 5/8/1953 17 47270 FOLDER 123 A523186 41768399080751 HISTORY OF CONVERTER M-134-C VOLUME 2 12/15/1944 135 47270 FOLDER 123 A523210 41768519080763 HISTORY OF CONVERTER M-134-C VOLUME 3 12/15/1944 237 47270 FOLDER 124 A523217 41768589080768 THE COLMAR COMPROMISE - HISTORICAL STUDY 4/3/1952 11 47270 FOLDER 127 A523291 41768619080771 PROPOSED SCHEME - CIPHER WHEEL STEPPING MECHANISM 6/17/1935 1 47270 FOLDER 422 A523391 41777619081670 U.K./U.S. COMMUNICATION SECURITY CONFERENCE, 1953 8/25/1953 1 47270 FOLDER 362 A53587 41749049078823 USSA SECURITY RESPONSIBILITIES 3/27/1953 15 47270 FOLDER 362 A53593 41749059078824 THE PROPOSED REVISION OF THE NORTH ATLANTIC TREATY ORGANIZATION SECURITY SYSTEM 4/13/1951 30 47270 FOLDER 362 A53595 41749069078825 REGULATIONS GOVERNING THE HANDLING AND USE OF CRYPTOGRAPHIC MATERIAL PROVIDED FOR THE USE OF THE NORTH ATLANTIC TREATY ORGANIZATION 7/20/1950 15 47270 FOLDER 362 A53596 41749079078826 CRYPTOGRAPHIC SYSTEMS FOR NATO USE 5/14/1952 1 47270 FOLDER 362 A53602 41749089078827 CRYPTOGRAPHIC SYSTEMS FOR NATO USE 5/6/1952 7 47270 FOLDER 362 A53614 41749099078828 CHANGE TO SHAPTO MESSAGE 120 10/15/1951 1 47270 FOLDER 362 A53616 41749109078829 COMMON SYSTEM USE 10/15/1951 1 47270 FOLDER 362 A53620 41749119078830 PREVENTING LEAKAGE OF NATO INFORMATION THROUGH INSECURE TELEGRAPHIC ARRANGEMENTS BY NATO POWERS 5/1/1951 4 47270 FOLDER 362 A53622 41749129078831 PLAN FOR THE PROVISION OF CRYPTO CHANNELS FOR NORTH ATLANTIC TREATY ORGANIZATION COMMUNICATIONS DURING THE PLANNING STAGE USING TYPEX II AND SIMPLEX SETTINGS7/20/1950 1 47270 FOLDER 362 A53624 41749149078833 DISSEMINATION OF INTELLIGENCE BASED ON COMINT TO FOREIGN NATIONALS SERVING IN NATO OR SIMILAR COMMANDS 7/11/1951 4 47270 FOLDER 362 A53626 41749169078835 DISSEMINATION OF INTELLIGENCE BASED ON COMINT TO FOREIGN NATIONALS SERVING IN NATO OR SIMILAR COMMANDS 9/5/1951 2 47270 FOLDER 362 A53627 41749189078837 HAGELIN MACHINE CONVERTER (CIPHER), M-209-B 2/9/1951 3 47270 FOLDER 361 A53634 41749199078838 GREETINGS FROM SECRETARY OF CYPHER POLICY BOARD 11/13/1953 1 47270 FOLDER 361 A53635 41749219078840 RE-ORGANIZATION OF CYPHER POLICY BOARD 11/13/1953 3 47270 FOLDER 387 A53960 41756499079564 REPORT ON SIMILARITIES AND DIFFERENCES IN REGARD TO ORGANIZATION, METHODS, AND ARRANGEMENTS FOR PROCESSING AND A FEW COMMENTS THEREON; BY WILLIAM F. FRIEDMAN3/31/1952 15 47270 FOLDER 387 A53968 41756579079572 NECESSITY OF PLAIN TEXT IN CRYPTANALYSIS 2/28/1952 4 47270 FOLDER 387 A53978 41756649079579 PLAIN TEXT EXPLOITATION IN THE CHINESE MILITARY PROBLEM; BY MILTON ZASLOW 3/18/1952 6 47270 FOLDER 386 A53993 41756769079590 DECENTRALIZATION OF THE NATIONAL COMINT EFFORT; COVER MEMO FROM DIRNSA TO SCA CHIEFS 1/11/1955 3 47270 FOLDER 386 A53997 41756949079608 MEMORANDUM FOR THE RECORD - NSA COMINT DECENTRALIZATION PLAN; COVERS FISCAL YEARS 1955, 56 AND 57 1/6/1954 1 47270 FOLDER 386 A54013 41757049079618 NSA FIELD PROCESSING DECENTRALIZATION PLAN 1/1/1955 8 47270 FOLDER 385 A54018 41757119079625 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 15 MARCH 1955 3/15/1955 2 47270 FOLDER 385 A54027 41757169079630 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 8 MARCH 1955 3/8/1955 3 47270 FOLDER 385 A54030 41757239079637 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 1 MARCH 1955 3/1/1955 4 47270 FOLDER 385 A54031 41757289079641 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 23 FEBRUARY 1955 2/23/1955 1 47270 FOLDER 385 A54120 41757429079657 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 17 FEB 1955 2/17/1955 2 47270 FOLDER 385 A54143 41757569079670 RECORDS OF DECISIONS ON COURSE OF ACTION; REQUEST FOR M/R'S FOR DIRECTOR FROM COMPONENT LEADERS 2/15/1955 1 47270 FOLDER 385 A54153 41757649079678 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 1 FEB 1955 2/1/1955 2 47270 FOLDER 385 A54223 41757739079687 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 18 JANUARY 1955 1/18/1955 1 47270 FOLDER 385 A54266 41757829079696 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 11 JAN 1955 1/11/1955 2 47270 FOLDER 385 A54273 41757869079700 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 4 JAN 1955 1/4/1955 2

UNCLASSIFIED 51 UNCLASSIFIED

47270 FOLDER 385 A54277 41757899079703 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 28 DEC 1954 12/28/1954 1 47270 FOLDER 385 A54284 41757929079706 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE 14 DEC 1954 12/14/1954 1 47270 FOLDER 385 A54295 41757939079707 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 3 DEC 1954 12/3/1954 2 47270 FOLDER 385 A54303 41757969079710 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 30 NOV 1954 11/30/1954 2 47270 FOLDER 385 A54307 41758009079714 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 2 NOV 1954 11/2/1954 1 47270 FOLDER 385 A54313 41758039079717 DIGEST OF THE DIRECTOR'S STAFF CONFERENCE - 5 OCT 1954 10/5/1954 2 47270 FOLDER 385 A54318 41758079079721 MONTHLY BRIEFING OF THE DIRECTOR; NSA REGULATION NUMBER 10-7 9/27/1954 2 47270 FOLDER 385 A54322 41758109079724 DIRECTOR'S MONTHLY STAFF CONFERENCE - AGENDA 9/15/1954 1 47270 FOLDER 385 A54329 41758139079727 DIGEST OF STAFF CONFERENCE, 7 SEPTEMBER 1954; DIRECTOR'S STAFF CONFERENCE 9/8/1954 2 47270 FOLDER 385 A54333 41758179079731 DIGEST OF STAFF CONFERENCE, 31 AUGUST 1954 9/1/1954 1 47270 FOLDER 385 A54342 41758209079734 DIGEST OF STAFF CONFERENCE, 17 AUGUST 1954 8/17/1954 1 47270 FOLDER 385 A54345 41758249079738 DIGEST OF STAFF CONFERENCE, 10 AUGUST 1954 8/10/1954 1 47270 FOLDER 385 A54354 41758289079742 DIGEST OF STAFF CONFERENCE, 3 AUGUST 1954 8/5/1954 2 47270 FOLDER 385 A54363 41758329079746 DIGEST OF STAFF CONFERENCE, 20 JULY 1954 7/22/1954 2 47270 FOLDER 385 A54369 41758379079751 DIGEST OF STAFF CONFERENCE, 13 JULY 1954 7/14/1954 1 47270 FOLDER 385 A54375 41758399079753 DIGEST OF CONFERENCE, 6 JULY 1954 7/7/1954 1 47270 FOLDER 385 A54377 41758429079756 DIGEST OF STAFF CONFERENCE, 22 JUNE 1954 6/24/1954 2 47270 FOLDER 385 A54382 41759079079820 DIGEST OF STAFF CONFERENCE, 8 JUNE 1954 6/9/1954 1 47270 FOLDER 385 A54385 41759109079824 DIGEST OF STAFF CONFERENCE, 1 JUNE 1954 6/2/1954 1 47270 FOLDER 385 A54394 41759139079827 DIGEST OF STAFF CONFERENCE, 18 MAY 1954 5/19/1954 2 47270 FOLDER 385 A54402 41759179079831 DIGEST OF STAFF CONFERENCE, 11 MAY 1954 5/12/1954 2 47270 FOLDER 385 A54420 41759209079834 DIGEST OF STAFF CONFERENCE, 13 APRIL 1954 4/14/1954 2 47270 FOLDER 385 A54431 41759249079838 DIGEST OF STAFF CONFERENCE, 6 APRIL 1954 4/7/1954 2 47270 FOLDER 385 A54438 41759499079863 DIGEST OF STAFF CONFERENCE, 30 MARCH 1954 3/31/1954 2 47270 FOLDER 385 A54456 41759549079868 DIGEST OF STAFF CONFERENCE, 16 MARCH 1954 3/18/1954 2 47270 FOLDER 385 A54482 41759609079874 DIGEST OF STAFF CONFERENCE, 9 MARCH 1954 3/15/1954 3 47270 FOLDER 385 A54497 41759649079878 DIGEST OF STAFF CONFERENCE, 2 FEBRUARY 1954 2/8/1954 2 47270 FOLDER 385 A54520 41759709079884 DIGEST OF STAFF CONFERENCE, 19 JANUARY 1954 1/21/1954 3 47270 FOLDER 385 A54557 41759729079886 DIGEST OF STAFF CONFERENCE, 29 DECEMBER 1953 12/30/1953 1 47270 FOLDER 385 A54607 41759749079887 DIGEST OF STAFF CONFERENCE, 15 DECEMBER 1953 12/16/1953 3 47270 FOLDER 385 A54617 41759759079889 DIGEST OF STAFF CONFERENCE, 8 DECEMBER 1953 12/10/1953 3 47270 FOLDER 385 A54631 41759789079892 DIGEST OF STAFF CONFERENCE, 1 DECEMBER 1953 12/3/1953 3 47270 FOLDER 385 A54643 41759829079896 DIGEST OF STAFF CONFERENCE, 17 NOVEMBER 1953 11/23/1953 3 47270 FOLDER 385 A54663 41760019079915 DIGEST OF STAFF CONFERENCE, 27 OCTOBER 1953 10/28/1953 3 47270 FOLDER 385 A54670 41760059079920 DIGEST OF STAFF CONFERENCE, 20 OCTOBER 1953 10/21/1953 4 47270 FOLDER 385 A54679 41760109079924 DIGEST OF STAFF CONFERENCE, 13 OCTOBER 1953 10/14/1953 3 47270 FOLDER 385 A54684 41760199079933 DIGEST FOR STAFF CONFERENCE, 6 OCTOBER 1953 10/7/1953 2 47270 FOLDER 385 A54691 41760239079935 DIGEST OF STAFF CONFERENCE, 29 SEPTEMBER 1953 9/30/1953 2 47270 FOLDER 385 A54693 41760249079937 DIGEST OF STAFF CONFERENCE, 15 SEPTEMBER 1953 9/16/1953 2 47270 FOLDER 385 A54697 41760289079940 DIGEST OF STAFF CONFERENCE, 8 SEPTEMBER 1953 9/8/1953 2 47270 FOLDER 385 A54704 41760329079946 WEEKLY STAFF CONFERENCE, 1 SEPTEMBER 1953 9/4/1953 2 47270 FOLDER 385 A54708 41760399079952 DIGEST OF STAFF CONFERENCE ON 25 AUGUST 1953 8/26/1953 3 47270 FOLDER 385 A54712 41760479079961 STAFF CONFERENCES; NSA REGULATION NUMBER 10-6 9/22/1953 3 47270 FOLDER 384 A54887 41760509079964 NATIONAL SECURITY AGENCY SECURITY REVIEW BOARD; NSA REGULATION NUMBER 122-4 (CHANGE 1) 3/7/1955 4 47270 FOLDER 383 A54917 41760559079969 USCIB SIGINT CLASSIFICATION PRINCIPLES 1/19/1953 4 47270 FOLDER 383 A54919 41760599079972 CLASSIFICATION OF SUBJECT MATTER RELATING TO COMMUNICATION INTELLIGENCE 11/21/1949 3 47270 FOLDER 382 A54944 41760619079974 SECURITY REQUIREMENTS FOR OPERATION WIGWAM 11/3/1954 1 47270 FOLDER 382 A54951 41760639079977 USE OF DEVELOPMENTAL MODELS OF COMSEC EQUIPMENT 11/18/1954 1 47270 FOLDER 382 A54959 41760709079983 CLASSIFICATION OF US COMINT COLLABORATION 4/23/1954 1 47270 FOLDER 382 A54995 41760739079985 COVER NOTE ON US/UK POLICIES AND PRACTICES ON DISSEMINATION OF COMINT DURING WORLD WAR II 1/1/1954 1

UNCLASSIFIED 52 UNCLASSIFIED

47270 FOLDER 382 A55077 41760769079989 SECURITY OF COMINT INFORMATION 5/28/1953 5 47270 FOLDER 382 A55090 41761449080057 POSSIBLE COMPROMISE OF COMINT INFORMATION 5/29/1953 2 47270 FOLDER 382 A55107 41762039080118 REPORT BY THE USCIB SECURITY COMMITTEE ON MEASURES FOR THE INCREASED SECURITY OF COMINT 4/10/1952 29 47270 FOLDER 382 A55207 41762169080131 PARTICIPATION IN U.S./U.K. COLLABORATION ON COMINT MATTERS 4/18/1952 6 47270 FOLDER 382 A55245 41762279080141 USCIB 13/195 COMMENTS ON 7/23/1951 4 47270 FOLDER 382 A55252 41762369080149 COMMENT ON USCIB 15/195, "MEASURES FOR THE INCREASED SECURITY OF COMINT" 7/18/1951 2 47270 FOLDER 382 A55271 41762409080154 MORE WORDS ON USCIB 15/195 7/13/1951 2 47270 FOLDER 382 A55275 41762449080157 USCIB 15/195 7/27/1951 1 47270 FOLDER 382 A55289 41762489080161 MEASURES FOR THE INCREASED SECURITY OF COMINT; REGARDING USCIB 13/134 & USCIB 13/163 7/9/1951 1 47270 FOLDER 382 A55303 41762579080171 MEASURES FOR THE INCREASED SECURITY OF COMINT; USCIB 13/195 7/11/1951 45 47270 FOLDER 382 A55323 41762649080178 REPORT BY THE SECURITY COMMITTEE OF USCIB ON MEASURES FOR THE INCREASED SECURITY OF COMINT 1/10/1952 14 47270 FOLDER 382 A55330 41762709080184 SURVEY OF MEASURES TO INCREASE THE SECURITY OF COMINT 12/18/1951 2 47270 FOLDER 382 A55336 41762749080188 AIR FORCE LETTER REGARDING "LOW-LEVEL" COMINT PRODUCED BY FOREIGN INTERCEPT UNITS IN KOREA 9/24/1951 1 47270 FOLDER 382 A55343 41762809080194 INFORMATION RELEVANT TO SOVIET COMINT; RUSSIAN KNOWLEDGE OF GERMAN CRYPTOGRAPHIC PRACTICE (1943) 8/3/1951 6 47270 FOLDER 382 A55347 41762859080199 LITERAL TRANSLATION FROM THE G-2 REPORTS OF THE STAFF OF THE (RUSSIAN) 51ST ARMY 5/27/1942 1 47270 FOLDER 382 A55385 41762899080203 EXTRACT FROM THE MINUTES OF THE 67TH (SPECIAL) MEETING OF USCIB 8/3/1951 2 47270 FOLDER 382 A55397 41762959080209 USCIB 13/195, COMMENTS ON; BY WILLIAM F. FRIEDMAN 7/23/1951 4 47270 FOLDER 382 A55402 41763029080216 COMMENT ON USCIB 13/195, "MEASURES FOR THE INCREASED SECURITY OF COMINT" 7/18/1951 2 47270 FOLDER 382 A55411 41763079080221 USCIB 13/195; AFSA REQUEST FOR COMMENTS 7/17/1951 1 47270 FOLDER 382 A55572 41763429080256 HAND-WRITTEN NOTE - POSSIBLY FROM WENGER - OBJECTING TO COMMENTS ON CHANGING SECURITY PRACTICES 5/8/1951 4 47270 FOLDER 382 A55586 41763639080277 PROPOSED MEASURES FOR THE INCREASED SECURITY OF COMINT 5/4/1951 7 47270 FOLDER 382 A55628 41763649080278 MEASURES FOR INCREASED SECURITY OF COMMUNICATION INTELLIGENCE (COMINT) 12/22/1950 7 47270 FOLDER 382 A55645 41763659080279 FRIEDMAN NOTE TO ADM STONE CONCERNING USCIB AND CLASSIFICATION 12/18/1950 3 47270 FOLDER 382 A55657 41763679080281 MEASURES FOR INCREASED SECURITY OF COMMUNICATIONS INTELLIGENCE 12/14/1950 10 47270 FOLDER 382 A55669 41763689080282 FRIEDMAN NOTE ASKING CAPT MASON FOR COMMENTS ON MEASURES FOR INCREASED SECURITY OF COMMUNICATION INTELLIGENCE PAPER 11/6/1950 8 47270 FOLDER 382 A55676 41763719080285 NOTES BETWEEN WENGER, FRIEDMAN AND MASON REGARDING MEASURES FOR INCREASED SECURITY OF COMMUNICATION INTELLIGENCE 12/6/1950 13 47270 FOLDER 382 A55710 41763729080286 NOTES AND DRAFT ON MEASURES FOR INCREASED SECURITY OF COMMUNICATION INTELLIGENCE 11/15/1950 27 47270 FOLDER 498 A557666 41784439082349 ENIGMA MACHINE PHOTO 4/1/1954 1 47270 FOLDER 498 A557690 41784329082337 KEY LIST FOR GERMAN ARMY ENIGMA MACHINE 4/1/1945 2 47270 FOLDER 498 A557702 41784479082353 PHOTOGRAPH OF PROBABLE ENIGMA MODEL R-27 NON-PRINTING CIPHER MACHINE 4/1/1954 1 47270 FOLDER 498 A557710 41784739082375 CLASSIFICATION - VOL. 2, FLICKE'S WAR SECRETS IN THE ETHER 4/21/1954 1 47270 FOLDER 499 A557742 41784499082355 INDICATIONS OF GERMAN OFFENSIVE 1/13/1945 65 47270 FOLDER 499 A557761 41784829082386 CRITIQUE OF THE CORPS LEVEL OF THE FIRST U.S. ARMY, OCTOBER-NOVEMBER 1944 7/30/1945 52 47270 FOLDER 499 A557776 41784549082363 AMERICAN INTELLIGENCE ON THE GERMAN COUNTER-OFFENSIVE 11/1/1949 123 47270 FOLDER 499 A557782 41784519082357 CRITIQUE OF NINTH U.S. ARMY 1/1/1945 8 47270 FOLDER 499 A557786 41784449082350 CRITIQUE OF FIRST U.S. ARMY 2/22/1945 85 47270 FOLDER 499 A557796 41784759082378 CRITIQUE OF THIRD U.S. ARMY 1/1/1945 33 47270 FOLDER 500 A557816 41784819082384 SATURDAY EVENING POST ARTICLE ENTITLED 'ARE WE STIFLING THE INVENTORS?' 6/9/1951 24 47270 FOLDER 501 A557818 41784779082380 DRAWINGS OF FRIEDMAN/ROWLETT CRYPTOGRAPHIC DEVICE, APPLICATION SERIAL NO. 70,412 8/31/1935 10 47270 FOLDER 501 A557819 41784699082372 PATENT 2,395,863, CRYPTOGRAPHIC DEVICE, WILLIAM F. FRIEDMAN 3/5/1946 7 47270 FOLDER 382 A55800 41763739080287 DISPOSITION FORM - REGARDING PROTECTION AND DISSEMINATION OF COMINT 11/6/1950 1 47270 FOLDER 382 A55806 41763749080288 COMINT SECURITY STUDY 10/25/1950 4 47270 FOLDER 382 A55815 41763759080289 QUESTION OF IMPROVING TO PROTECT NATO INFORMATION 10/11/1950 1 47270 FOLDER 502 A558640 41784489082354 INDICATIONS OF IMMINENT HOSTILITIES 1/1/1953 1 47270 FOLDER 455 A56845 41749549078873 NOTE FROM FRIEDMAN REGARDING AXIS POWERS AND ALLIED EFFORTS AGAINST THEIR HIGH-GRADE SYSTEMS 1/4/1944 3 47270 FOLDER 455 A56855 41749579078876 PROPOSED STUDY OF AXIS EXPLOITATION OF FOREIGN COMMUNICATIONS; NOTES BETWEEN FRIEDMAN AND C.O., ARLINGTON HALL 1/8/1944 4 47270 FOLDER 455 A56863 41749609078879 HANDWRITTEN NOTE TO FRIEDMAN FROM DENNISTON RE ROWLETT'S VISIT 7/20/1944 2 47270 FOLDER 455 A56870 41749649078883 NOTE TO FRIEDMAN FROM DENNISTON RE EXPLOITATION OF CERTAIN TARGETS 3/8/1942 2 47270 FOLDER 455 A56873 41749679078886 LETTER FROM FRIEDMAN TO DENNISTON RE TARGETS AND VISIT OF TILTMAN 6/11/1942 2 47270 FOLDER 454 A56877 41749709078888 THE POTENTIAL FUNCTION OF PLACENAME INDICES IN THE INTELLIGENCE DIVISION 12/12/1945 6

UNCLASSIFIED 53 UNCLASSIFIED

47270 FOLDER 454 A56880 41749719078889 RECOMMENDATIONS FOR THE HANDLING OF PLACENAME FILES FOR SIGNAL INTELLIGENCE PURPOSES; A PAPER BY THOMAS A. MILLER 9/27/1945 9 47270 FOLDER 453 A56882 41749729078890 TECHNICAL ESTIMATE OF A SECURE INTEGRATED COMMUNICATION SYSTEM 7/20/1949 5 47270 FOLDER 244 A56886 41748049078724 MILITARY CRYPTANALYSIS, PART 1, MONOALPHABETIC SUBSTITUTION SYSTEMS; SUBCOURSE 20-6 6/1/1947 61 47270 FOLDER 243 A56888 41748089078729 MILITARY CRYPTANALYSIS PART I, MONOALPHABETIC SUBSTITUTION SYSTEMS; 3RD EDITION 1/1/1942 145 47270 FOLDER 453 A56889 41749739078891 MEETING OF THE SUBPANEL ON SYSTEMS 6/24/1949 4 47270 FOLDER 242 A56892 41748189078749 MILITARY CRYPTANALYTICS, PART I, MONOALPHABETIC SUBSTITUTION SYSTEMS; FRIEDMAN AND CALLIMAHOS 12/1/1952 435 47270 FOLDER 241 A56895 41748389078762 MILITARY CRYPTANALYSIS, PART I, MONOALPHABETIC SUBSTITUTION SYSTEM; 4TH EDITION, FRIEDMAN , REVISED AND ENLARGED BY CALLIMAHOS 12/1/1952 341 47270 FOLDER 453 A56901 41749759078894 SUBPANEL ON SYSTEMS - MINUTES OF THE SECOND MEETING - 23 MARCH 1949; TECHNICAL ESTIMATES FOR SYSTEMS PROJECTS 3/24/1949 5 47270 FOLDER 453 A56903 41749779078896 MINUTES - FIRST MEETING SUBPANEL ON SYSTEMS - 23 FEBRUARY 1949; RESEARCH AND DEVELOPMENT BOARD 2/28/1949 5 47270 FOLDER 453 A56907 41749799078898 SUBPANEL ON SYSTEMS, PANEL ON COMMUNICATIONS - NEXT MEETING 2/14/1949 1 47270 FOLDER 452 A56913 41749819078904 MILITARY CRYPTANALYSIS, PART IV - TRANSPOSITION AND FRACTIONATING SYSTEMS; BY WILLIAM F. FRIEDMAN FOR THE WAR DEPARTMENT'S CHIEF SIGNAL OFFICER 1/1/1939 224 47270 FOLDER 240 A56914 41748549078781 GERMAN RADIO INTELLIGENCE; A SECRET VERSION, SLIGHTLY EXPANDED, EXISTS, SAME TITLE, SERIAL MS NO P-038 3/1/1950 267 47270 FOLDER 451 A56916 41749979078918 COMMUNICATIONS INTELLIGENCE - A PRESENTATION BY MR. WILLIAM F. FRIEDMAN; PRESENTED TO THE FACULTY AND STUDENTS OF CLASS 50-B, AIR COMMUNICATIONS AND ELECTRONIC9/29/1950 STAFF OFFICERS' 48COURSE 47270 FOLDER 450 A56917 41750129078930 REQUEST FOR JAPANESE TICOM DATA - FRIEDMAN MEMO 11/14/1951 12 47270 FOLDER 450 A56921 41750189078936 HANDWRITTEN NOTE ALLUDING TO PURPLE MACHINE AND "PETERSON TRIAL" 11/22/1953 2 47270 FOLDER 240 A56924 41748739078791 DEPARTMENT OF THE ARMY HISTORICAL DIVISION STUDY OF GERMAN RADIO INTELLIGENCE; RE "GERMAN RADIO INTELLIGENCE," MS NO P-038 4/8/1953 7 47270 FOLDER 450 A56927 41750209078938 EXTRACT FROM "HISTORY OF H.M.S. ANDERSON" 1/1/1950 1 47270 FOLDER 239 A56930 41748809078800 ADVANCED MILITARY CRYPTOGRAPHY; 1931 EDITION, SPECIAL TEXT NO. 166 1/1/1931 111 47270 FOLDER 450 A56931 41750229078941 INVESTIGATION OF THE NATIONAL WAR EFFORT; REPORT OF THE COMMITTEE ON MILITARY AFFAIRS, HOUSE OF REPRESENTATIVES, 79TH CONGRESS, SECOND SESSION 12/17/1946 8 47270 FOLDER 238 A56932 41748889078809 BASIC CRYPTOGRAPHY; DEPT OF ARMY TECHNICAL MANUAL TM32-220 4/5/1950 192 47270 FOLDER 450 A56933 41750259078944 HANDWRITTEN NOTE RE THE BRITISH AND A PURPLE MACHINE 1/31/1950 1 47270 FOLDER 450 A56934 41750299078948 LETTER TO FRIEDMAN FROM BRITISH JOINT SERVICES MISSION, WASHINGTON RE JAPANESE HISTORY FROM GCHQ 3/9/1955 1 47270 FOLDER 450 A56937 41750329078951 FRIEDMAN LETTER TO BRITISH JOINT SERVICES MISSION, WASHINGTON RE JAPANESE DIPLOMATIC SECTION HISTORY BY GCHQ 2/1/1955 1 47270 FOLDER 450 A56939 41750379078956 LETTER FROM BRITISH JOINT SERVICES MISSION, WASHINGTON TO FRIEDMAN ENCLOSING JAPANESE DIPLOMATIC SECTION HISTORY BY GCHQ 1/26/1955 1 47270 FOLDER 450 A56942 41750409078959 LETTER FROM FRIEDMAN TO SUKLO RE GCHQ DOCUMENT 12/2/1954 1 47270 FOLDER 450 A56943 41750439078962 LIAISON WITH AMERICA; EXTRACT FROM GCHQ HISTORY OF JAPANESE DIPLOMATIC PURPLE MACHINE 1/1/1950 1 47270 FOLDER 450 A56947 41750469078965 JAPANESE VERSION OF THE BLACK CHAMBER; TICOM DOCUMENT 3/1/1953 3 47270 FOLDER 382 A56948 41763769080290 CONVOY TRAFFIC OF THE ALLIES IN WORLD WAR II AND THE GERMAN NAVAL INTERCEPT SERVICE 1/1/1950 8 47270 FOLDER 449 A56952 41750499078968 OTTICO MECCANICA ITALIANA CRYPTOGRAPH-WIRING; INFORMAL NO. 16 6/17/1954 13 47270 FOLDER 448 A56958 41750639078982 DECISION ON R/PR 2 ON LIZA; RESEARCH ON THE PHYSICAL PROPERTIES OF MAGNETIC MATERIALS; TASK NO. 370-1201 7/19/1955 6 47270 FOLDER 447 A56961 41750659078986 PROPOSED RANGE OF GASOLINE ENGINE-ELECTRIC POWER UNITS FOR POST WAR DEVELOPMENT, SIGNALS RESEARCH AND DEVELOPMENT ESTABLISHMENT 11/6/1946 8 47270 FOLDER 446 A56963 41750719078990 DECISION ON R/AE 73 ON GULIVER 7/19/1955 6 47270 FOLDER 382 A56965 41763789080291 SOURCES OF TRAFFIC; A LISTING OF FIELD SITES 10/5/1950 5 47270 FOLDER 445 A56966 41750739078993 REPORT OF SPECIAL STUDY GROUP ON FARMER-NOMAD 11/15/1954 36 47270 FOLDER 444 A56969 41750779078996 THE PNEUMATIC AUTHENTICATOR OR DEM 498 6/30/1954 7 47270 FOLDER 240 A56970 41748999078819 GERMAN RADIO INTELLIGENCE (BY ALBERT PRAUN, FORMER LT. GEN.); DEPT. OF THE ARMY OFFICE OF THE CHIEF OF MILITARY HISTORY. INCLUDES NSA MEMO AND COMMENTS ON REPORT3/1/1950 294 47270 FOLDER 381 A56971 41763799080292 REPORT OF COMMUNICATIONS SECURITY VIOLATIONS 3/14/1955 12 47270 FOLDER 443 A56973 41750809078999 SECURITY OF AFSAM 4A 3/5/1955 8 47270 FOLDER 443 A56974 41787249082625 PLAIN TEXT RADIATION STUDY OF TSEC/KL-7 (AFSAM 7); S-60,081 8/2/1955 21 47270 FOLDER 381 A56975 41763809080293 REPORT OF COMMUNICATIONS SECURITY VIOLATIONS 2/23/1955 5 47270 FOLDER 443 A56978 41751019079020 PRELIMINARY REPORT ON AFSAM 9 DEPTH STUDY; UKUSA-343 3/1/1955 51 47270 FOLDER 381 A56980 41763819080294 REPORT OF COMMUNICATIONS VIOLATIONS - JULY - SEPTEMBER 12/17/1954 14 47270 FOLDER 443 A56981 41751049079022 DEPTH STUDY ON THE AFSAM 109; S-60.077 6/20/1955 9 47270 FOLDER 381 A56985 41763839080296 REPORT OF COMMUNICATIONS SECURITY VIOLATIONS -ARMY 12/17/1954 11 47270 FOLDER 443 A56988 41751059079024 COMMENTS ON AFSAY D802; UKUSA C/S 651 2/23/1955 14 47270 FOLDER 381 A56991 41763829080295 REPORT OF COMMUNICATIONS SECURITY VIOLATIONS - NAVY 12/13/1954 6 47270 FOLDER 443 A56994 41787319082632 ENCIPHERED MOTION BRANCHING STRUCTURE 6/28/1955 5 47270 FOLDER 381 A56996 41763849080297 REPORT OF COMMUNICATIONS SECURITY VIOLATIONS - AIR FORCE 12/8/1954 16 47270 FOLDER 381 A56998 41763859080298 REPORT OF COMMUNICATIONS SECURITY VIOLATIONS - APRIL THROUGH JUNE; ARMY 12/8/1954 17 47270 FOLDER 381 A57002 41763869080299 AVERAGE PROCESSING TIMES BY STATION FOR THE FORWARDING OF COMINT TRAFFIC BY ELECTRICAL MEANS; PERIOD COVERED 03 FEB - 27 JULY 1954 9/27/1954 4

UNCLASSIFIED 54 UNCLASSIFIED

47270 FOLDER 381 A57041 41763879080300 NATIONAL SECURITY AGENCY TRAFFIC PERFORMANCE, AUGUST 1954 9/28/1954 2 47270 FOLDER 381 A57045 41763889080301 HANDWRITTEN NOTE TO FRIEDMAN ABOUT COMSEC 2/1/1954 1 47270 FOLDER 381 A57049 41763899080302 COMINT COMPROMISES REPORTING BRIEFING 1/6/1955 4 47270 FOLDER 381 A57050 41763909080303 COMMENTS ON MR. FRIEDMAN'S MEMO OF 3 NOV 54 ON "COMPROMISES OF COMINT DUE TO INEFFECTIVE COMSEC" 12/14/1954 5 47270 FOLDER 381 A57051 41763919080304 ATTACHED CORRESPONDENCE (FRIEDMAN'S COMSEC MEMO) 12/8/1954 2 47270 FOLDER 381 A57052 41763929080305 COMPROMISES OF COMINT DUE TO INEFFECTIVE COMSEC (FRIEDMAN'S ORIGINAL MEMO) 11/3/1954 4 47270 FOLDER 381 A57053 41763939080306 C/SEC VIOLATIONS; TO FRIEDMAN FROM CAPTAIN MCDONALD 6/19/1954 3 47270 FOLDER 381 A57054 41763949080307 SECURITY OF AFSA COMINT COMMUNICATIONS 8/14/1951 2 47270 FOLDER 381 A57055 41763959080308 SUMMARY REPORT OF SECURITY OF AFSA COMMUNICATIONS; WITH FRIEDMAN NOTE 8/6/1951 12 47270 FOLDER 381 A57056 41763969080309 CRYPTO-SECURITY OF AFSA COMMUNICATIONS 5/14/1951 2 47270 FOLDER 442 A57062 41751099079028 COURSE IN THE CRYPTANALYSIS OF MACHINE CIPHERS - "ZE" SERIES; ZEBAB PROBLEM 2/11/1952 15 47270 FOLDER 441 A57064 41751109079029 TRAINING OF FOREIGN NATIONALS IN USE OF CONVERTER M-209, AND RELATED CRYPTOGRAPHIC DEVICES 10/26/1954 6 47270 FOLDER 441 A57065 41751119079030 TRAINING OF FOREIGN NATIONALS IN USE OF CONVERTER M-209, AND RELATED CRYPTOGRAPHIC DEVICES 7/7/1955 2 47270 FOLDER 441 A57067 41751129079031 DECISION ON R/AE 74 ON MURDOCK 7/19/1955 6 47270 FOLDER 440 A57068 41751139079032 DIVISION FIELD CODE NO.4 6/1/1922 96 47270 FOLDER 439 A57071 41751169079035 GENERAL SOLUTION FOR THE DOUBLE TRANSPOSITION CIPHER 1/1/1934 31 47270 FOLDER 438 A57074 41751199079040 PRINCIPLES OF SOLUTION OF MILITARY FIELD CODES USED BY THE GERMAN ARMY IN 1917 1/1/1935 34 47270 FOLDER 437 A57075 41751269079046 FIELD CODES USED BY THE GERMAN ARMY DURING THE WORLD WAR 1/1/1935 108 47270 FOLDER 436 A57076 42037919107673 AFSA-OOT FILES 1/1/1950 3 47270 FOLDER 381 A57152 41763979080310 CRYPTO-SECURITY OF AFSA COMMUNICATIONS 4/26/1951 1 47270 FOLDER 381 A57156 41763989080311 CRYPTO-SECURITY OF AFSA COMMUNICATIONS (COVER MEMO) 4/20/1951 1 47270 FOLDER 381 A57191 41763999080312 CRYPTO-SECURITY OF AFSA COMMUNICATIONS - FRANK ROWLETT MEMO 4/17/1951 2 47270 FOLDER 381 A57226 41764009080313 SECURITY OF AFSA COMMUNICATION CIRCUITS 5/23/1950 2 47270 FOLDER 381 A57232 41764019080314 SECURITY OF AFSA COMMUNICATION CIRCUITS - AFSA-OOB COMMENTS 5/23/1950 3 47270 FOLDER 381 A57236 41764029080315 WENGER MEMO ON COMMUNICATIONS CIRCUITS 4/14/1950 1 47270 FOLDER 296 A57242 41748309078748 USCIB COMINT REQUIREMENTS LIST 8/5/1955 43 47270 FOLDER 296 A57248 41748369078755 USCIB COMINT REQUIREMENTS LIST (CRL) (USCIB 9.3/37, 39, 42); ITEM 1 OF THE AGENDA FOR THE 29TH (SPECIAL) MEETING 4/28/1955 2 47270 FOLDER 296 A57251 41748319078751 USCIB COMINT REQUIREMENTS LIST - STATE AND AIR FORCE 4/25/1955 41 47270 FOLDER 296 A57255 41748229078740 USCIB MASTER REQUIREMENTS LIST; ITEM 2 OF THE 114TH MEETING 4/8/1955 3 47270 FOLDER 296 A57261 41748259078743 USCIB MASTER REQUIREMENTS LIST; ITEM 3, 27TH MEETING 3/25/1955 4 47270 FOLDER 381 A57262 41764039080316 COMMENTS ON D/F ON SECURITY OF AFSA COMMUNICATIONS 6/16/1952 3 47270 FOLDER 381 A57267 41764049080317 MORE DIALOGUE ON AFSA COMMUNICATIONS SECURITY 5/6/1952 3 47270 FOLDER 381 A57274 41764059080318 CHANGES IN AFSA ORGANIZATIONAL MANUAL 4/29/1952 2 47270 FOLDER 296 A57276 41748209078738 USCIB MASTER REQUIREMENTS LIST; 113TH MEETING 4/1/1955 5 47270 FOLDER 296 A57277 41748289078746 MRL (SUPPLEMENTAL GUIDANCE MECHANISM) 3/28/1955 3 47270 FOLDER 296 A57278 41748349078754 USCIB MASTER REQUIREMENTS LIST 3/24/1955 19 47270 FOLDER 296 A57280 41748379078756 USCIB MASTER REQUIREMENTS LIST; COMMENTS ON ITEM 3, 27TH MEETING 3/24/1955 2 47270 FOLDER 381 A57283 41764069080319 SECURITY OF AFSA COMINT COMMUNICATIONS ORGANIZATIONAL GOALS 4/17/1952 2 47270 FOLDER 296 A57287 41748399078757 USCIB MASTER REQUIREMENTS LIST; ITEM 2, 26TH MEETING 2/25/1955 5 47270 FOLDER 381 A57289 41764079080320 SECURITY OF AFSA COMINT COMMUNICATIONS ORGANIZATIONAL MEETING NOTIFICATION; FRIEDMAN COMMENTS/QUESTIONS 4/14/1952 2 47270 FOLDER 296 A57292 41748409078758 USCIB MASTER REQUIREMENTS LIST; ITEM 5, 113TH MEETING 3/11/1955 1 47270 FOLDER 381 A57295 41764089080321 SECURITY OF AFSA COMINT COMMUNICATIONS - REVISED DUTIES 1/28/1952 2 47270 FOLDER 296 A57296 41748419078759 MASTER REQUIREMENTS LIST; ITEM 3, 27TH MEETING 3/18/1955 2 47270 FOLDER 296 A57303 41748429078760 USCIB MASTER REQUIREMENTS LIST; 113TH MEETING 3/11/1955 5 47270 FOLDER 381 A57305 41764099080322 SECURITY OF AFSA COMINT COMMUNICATIONS - AFSA MANUAL CHANGES 1/28/1952 4 47270 FOLDER 296 A57306 41748449078763 USCIB MASTER REQUIREMENTS LIST; CIA DRAFT LIST 3/8/1955 56 47270 FOLDER 296 A57310 41748469078765 USCIB MASTER REQUIREMENTS LIST; AD HOC COMMITTEE REPORT 3/4/1955 14 47270 FOLDER 381 A57312 41764109080323 SECURITY OF COMINT COMMUNICATIONS - OFFICE OF COMMUNICATION SECURITY 4/26/1952 1 47270 FOLDER 296 A57316 41748489078767 CLASSIFICATION OF USCIB 9.3/28 OF 28 FEBRUARY 1955 3/4/1955 1 47270 FOLDER 381 A57318 41764119080324 SECURITY OF AFSA COMINT COMMUNICATIONS - RECOMMENDATIONS 10/22/1951 2

UNCLASSIFIED 55 UNCLASSIFIED

47270 FOLDER 296 A57319 41748509078769 USCIB MASTER REQUIREMENTS LIST; DRAFT FOR 11 MARCH MEETING 2/28/1955 4 47270 FOLDER 296 A57323 41748529078771 USCIB MASTER REQUIREMENTS LIST; TAB C 2/18/1955 54 47270 FOLDER 296 A57325 41748579078774 USCIB MASTER REQUIREMENTS LIST; AGENDA ITEM 2/18/1955 10 47270 FOLDER 296 A57327 41748589078776 USCIB MASTER REQUIREMENTS LIST; ITEM 8, 24TH MEETING 2/28/1955 1 47270 FOLDER 296 A57330 41748619078778 USCIB MASTER REQUIREMENTS LIST; ITEM 1, 23RD MEETING 1/7/1955 3 47270 FOLDER 381 A57332 41764129080325 SECURITY OF AFSA COMINT COMMUNICATIONS - FRIEDMAN'S COMMENTS 8/14/1951 2 47270 FOLDER 296 A57333 41748629078780 USCIB MASTER REQUIREMENTS LIST; 7 JANUARY MEETING DECISION 1/10/1955 3 47270 FOLDER 381 A57335 41764139080326 SECURITY OF AFSA COMINT COMMUNICATIONS 9/14/1951 3 47270 FOLDER 296 A57338 41748659078783 USCIB MASTER REQUIREMENTS LIST; 7 JANUARY SPECIAL MEETING 12/28/1954 4 47270 FOLDER 380 A57340 41764149080327 APPOINTMENT TO NSA CLASSIFICATION ADVISORY PANEL 4/15/1955 3 47270 FOLDER 296 A57347 41748649078782 EXTENT TO WHICH U.S. COMINT RESOURCES CAN BE APPLIED EFFECTIVELY TO FULFILL REQUIREMENTS OF THE USCIB MASTER REQUIREMENTS LIST 12/10/1954 5 47270 FOLDER 296 A57350 41748669078785 USCIB 9.3/17 DATED 13 DECEMBER 1954 12/17/1954 1 47270 FOLDER 296 A57352 41748709078788 USCIB MASTER REQUIREMENTS LIST; 7 JANUARY SPECIAL MEETING 12/16/1954 3 47270 FOLDER 296 A57354 41748729078790 REPORTS BY THE DIRECTOR, NATIONAL SECURITY AGENCY RE FULFILLMENT OF COMINT OBJECTIVES 12/13/1954 4 47270 FOLDER 380 A57356 41764159080328 SECURITY CLASSIFICATION OF ITEMS IN DISPUTE BETWEEN GCHQ AND NSA 3/26/1954 2 47270 FOLDER 296 A57361 41748689078787 EXTENT TO WHICH U.S. COMINT RESOURCES CAN BE APPLIED EFFECTIVELY TO FULFILL REQUIREMENTS OF USCIB MASTER REQUIREMENTS LIST 12/13/1954 1 47270 FOLDER 296 A57363 41748839078801 USCIB MASTER REQUIREMENTS LIST; ITEM 2, 110TH MEETING 12/3/1954 17 47270 FOLDER 296 A57365 41748819078798 REPORT BY DIRECTOR, NSA ON COMINT RESOURCES AND USCIB MASTER REQUIREMENTS LIST 12/2/1954 1 47270 FOLDER 296 A57366 41749159078834 USCIB MASTER REQUIREMENTS LIST; ITEM 4, 109TH MEETING 11/12/1954 1 47270 FOLDER 296 A57367 41749029078821 APPROVAL OF USCIB 9.3/10, 1 NOVEMBER 1954 11/17/1954 1 47270 FOLDER 296 A57368 41748759078794 USCIB MASTER REQUIREMENTS LIST; ITEM 3, 19TH MEETING 9/21/1954 1 47270 FOLDER 380 A57374 41764169080329 SECURITY CLASSIFICATION OF TRAINING MATERIALS 3/22/1954 1 47270 FOLDER 380 A57376 41764189080331 MINUTES ON THE MEETING OF THE NSA CLASSIFICATION ADVISORY PANEL 3/18/1954 2 47270 FOLDER 380 A57382 41764209080333 POLICY GOVERNING THE TRANSMISSION AND SAFEKEEPING OF DEFENSE INFORMATION CLASSIFIED CONFIDENTIAL/MODIFIED 2/25/1954 6 47270 FOLDER 380 A57384 41764219080334 HANDWRITTEN MEMO TO FRIEDMAN ON TRAINING 1/1/1954 1 47270 FOLDER 380 A57395 41764229080335 LETTER FROM DIRNSA REGARDING TRAINING DIRECTED TOWARDS RUSSIAN PROBLEM 11/25/1953 1 47270 FOLDER 380 A57397 41764239080336 PRINCIPLES OF SECURITY AND DISSEMINATION 3/19/1953 20 47270 FOLDER 380 A57403 41764249080337 THE ASSIGNMENT OF COMINT CATEGORIES AND SUB - CATEGORIES 3/19/1953 8 47270 FOLDER 380 A57405 41764259080338 SECURITY CLASSIFICATION GUIDE 1/25/1955 18 47270 FOLDER 380 A57407 41764269080339 CLASSIFICATION ADVISORY BOARD PROCEEDINGS 1/10/1955 1 47270 FOLDER 380 A57408 41764279080340 VOTE SHEET - 1954 SCAMP WORKING PAPERS 1/25/1955 1 47270 FOLDER 380 A57410 41764289080341 DEPARTMENT OF THE AIR FORCE ON-THE-JOB TRAINING PROGRAM - SENIOR RADIO INTERCEPT OPERATOR 2/14/1955 1 47270 FOLDER 380 A57412 41764299080342 DISTRIBUTION AND USE OF NSA FILM "MISSION" 2/21/1953 1 47270 FOLDER 380 A57414 41764309080343 RECLASSIFICATION OF THE NSA FILM "MISSION" 1/26/1955 13 47270 FOLDER 380 A57416 41764319080344 SECURITY OF CLASSIFIED INFORMATION AND MATERIAL (DRAFT) 1/1/1955 38 47270 FOLDER 380 A57417 41764329080345 GUIDE LINES FOR SECURITY CLASSIFICATION 1/1/1955 10 47270 FOLDER 380 A57420 41764339080346 GUIDE LINES FOR SECURITY CLASSIFICATION - 6TH REVISION 8/17/1954 14 47270 FOLDER 296 A57421 41749229078841 COMINT OBJECTIVES, PRIORITIES AND REQUIREMENTS 11/4/1954 2 47270 FOLDER 296 A57423 41749039078822 CHANGES IN THE USCIB MASTER REQUIREMENTS LIST 11/1/1954 2 47270 FOLDER 296 A57424 41749209078839 CHANGES IN THE USCIB MASTER REQUIREMENTS LIST - 22ND MEETING 10/18/1954 2 47270 FOLDER 296 A57425 41749179078836 REPORT BY DIRECTOR, NSA ON EXTENT TO WHICH U.S. COMINT RESOURCES CAN BE APPLIED TO FULFILL USCIB MASTER REQUIREMENTS 10/18/1954 2 47270 FOLDER 296 A57437 41749249078843 USCIB EXECUTIVE COMMITTEE AGENDA: 33RD (SPECIAL MEETING) 8/8/1955 1 47270 FOLDER 295 A57440 41749289078845 USCIB EXECUTIVE COMMITTEE AGENDA FOR 33RD (SPECIAL) MEETING 8/8/1955 1 47270 FOLDER 295 A57482 41749299078848 APPROVAL OF MINUTES OF 32ND MEETING OF USCIB 7/19/1955 1 47270 FOLDER 295 A57485 41749319078850 POSTPONEMENT OF REGULAR JULY USCIB MEETING 7/18/1955 1 47270 FOLDER 295 A57489 41749339078852 APPROVAL OF MINUTES OF 31ST (SPECIAL) MEETING OF USCIB 7/8/1955 2 47270 FOLDER 295 A57491 41749359078854 TENTATIVE MINUTES 32ND MEETING OF USCIB 7/1/1955 4 47270 FOLDER 295 A57496 41749499078868 APPROVAL OF MINUTES OF 30TH MEETING OF USCIB 6/29/1955 2 47270 FOLDER 295 A57498 41749409078859 TENTATIVE MINUTES 31ST MEETING OF USCIB 6/24/1955 3 47270 FOLDER 295 A57501 41749529078871 USCIB AGENDA FOR 32ND MEETING 6/20/1955 1

UNCLASSIFIED 56 UNCLASSIFIED

47270 FOLDER 295 A57508 41749399078857 APPROVAL OF MINUTES 29TH MEETING OF USCIB 6/17/1955 2 47270 FOLDER 295 A57513 41749479078865 TENTATIVE MINUTES 30TH MEETING USCIBEC 6/15/1955 3 47270 FOLDER 295 A57515 41749559078874 USCIBEC AGENDA FOR 31ST MEETING 6/14/1955 1 47270 FOLDER 295 A57519 41749419078860 APPROVAL OF FINAL MINUTES 28TH MEETING USCIBEC 5/26/1955 1 47270 FOLDER 295 A57520 41749449078863 APPROVAL OF MINUTES 28TH MEETING OF USCIBEC 6/1/1955 1 47270 FOLDER 295 A57522 41749589078877 TENTATIVE MINUTES 29TH MEETING USCIBEC 6/1/1955 6 47270 FOLDER 295 A57524 41749639078882 TENTATIVE MINUTES; MINUTES FROM TWENTY-EIGHT MEETING OF USCIBEC 5/16/1955 5 47270 FOLDER 295 A57527 41749669078885 APPROVAL OF THE MINUTES OF THE TWENTY-SEVENTH MEETING OF USCIBEC 5/16/1955 1 47270 FOLDER 295 A57529 41749699078887 AGENDA FOR 28TH MEETING OF USCIBEC 4/21/1955 2 47270 FOLDER 295 A57531 41749749078892 APPROVAL OF THE MINUTES OF THE 26TH MEETING USCIBEC 4/12/1955 1 47270 FOLDER 295 A57533 41749769078895 TENTATIVE MINUTES 27TH MEETING USCIBEC 4/12/1955 4 47270 FOLDER 295 A57534 41749789078897 TENTATIVE MINUTES 26TH MEETING OF USCIBEC 4/12/1955 4 47270 FOLDER 295 A57535 41749829078900 APPROVAL OF MINUTES 25TH (SPECIAL) MEETING USCIBEC 3/23/1955 1 47270 FOLDER 295 A57536 41749839078901 AGENDA FOR 27TH MEETING USCIBEC 3/18/1955 2 47270 FOLDER 295 A57538 41750519078970 TENTATIVE MINUTES 25TH (SPECIAL) MEETING USCIBEC 3/10/1955 6 47270 FOLDER 295 A57540 41749949078913 APPROVAL OF MINUTES 24TH MEETING USCIBEC 3/9/1955 1 47270 FOLDER 295 A57541 41749929078911 APPROVAL OF MINUTES 23RD (SPECIAL) MEETING OF USCIBEC 2/18/1955 2 47270 FOLDER 295 A57543 41749809078899 AGENDA FOR 26TH MEETING USCIBEC 2/18/1955 2 47270 FOLDER 295 A57547 41750019078920 TENTATIVE MINUTES 24TH MEETING USCIBEC 2/21/1955 4 47270 FOLDER 295 A57549 41749999078917 TENTATIVE MINUTES 23RD MEETING USCIBEC 1/27/1955 3 47270 FOLDER 295 A57552 41750549078973 APPROVAL OF MINUTES 22ND MEETING USCIBEC 1/24/1955 2 47270 FOLDER 295 A57554 41749909078909 AGENDA FOR 24TH MEETING USCIBEC 1/21/1955 3 47270 FOLDER 295 A57555 41750079078926 AGENDA FOR 23RD MEETING USCIBEC 1/3/1955 1 47270 FOLDER 295 A57557 41750199078937 TENTATIVE MINUTES 22ND MEETING USCIBEC 1/3/1955 5 47270 FOLDER 295 A57561 41750059078924 APPROVAL OF MINUTES OF 21ST MEETING USCIBEC 11/30/1954 1 47270 FOLDER 295 A57562 41750339078952 APPROVAL OF MINUTES 20TH MEETING USCIBEC 11/30/1954 1 47270 FOLDER 295 A57563 41750139078932 APPROVAL OF MINUTES 19TH MEETING OF USCIBEC 11/30/1954 1 47270 FOLDER 295 A57564 41750429078960 APPROVAL OF MINUTES 18TH MEETING USCIBEC 11/24/1954 2 47270 FOLDER 295 A57567 41750159078935 AGENDA 22ND MEETING USCIBEC 11/23/1954 5 47270 FOLDER 295 A57568 41750359078954 22ND MEETING OF USCIBEC 11/15/1954 1 47270 FOLDER 295 A57569 41750309078949 TENTATIVE MINUTES 21ST MEETING USCIBEC 11/12/1954 3 47270 FOLDER 295 A57571 41750219078940 TENTATIVE MINUTES 20TH MEETING USCIBEC 11/10/1954 3 47270 FOLDER 295 A57572 41750389078957 TENTATIVE MINUTES 19TH MEETING USCIBEC 11/10/1954 3 47270 FOLDER 295 A57573 41750249078943 APPROVAL OF FINAL MINUTES 17TH MEETING USCIBEC 9/21/1954 1 47270 FOLDER 295 A57575 41750579078976 TENTATIVE MINUTES 18TH MEETING USCIBEC 10/21/1954 3 47270 FOLDER 295 A57576 41750489078967 AGENDA 21ST MEETING USCIBEC 10/13/1954 3 47270 FOLDER 295 A57577 41750119078929 AGENDA 19TH MEETING USCIBEC 9/17/1954 2 47270 FOLDER 295 A57579 41750289078946 APPROVAL OF MINUTES 17TH MEETING USCIBEC 8/24/1954 1 47270 FOLDER 295 A57582 41750599078978 TENTATIVE MINUTES 17TH MEETING USCIBEC 8/11/1954 3 47270 FOLDER 295 A57584 41750459078963 APPROVAL OF FINAL MINUTES 15TH AND 16TH MEETINGS USCIBEC 7/30/1954 1 47270 FOLDER 295 A57585 41750629078981 AGENDA FOR 17TH USCIBEC 7/28/1954 1 47270 FOLDER 295 A57586 41750689078987 APPROVAL OF MINUTES 16TH MEETING USCIBEC 7/20/1954 1 47270 FOLDER 295 A57587 41750729078991 AGENDA 17TH MEETING USCIBEC 7/20/1954 1 47270 FOLDER 295 A57594 41750769078995 17TH MEETING USCIBEC 7/16/1954 1 47270 FOLDER 295 A57595 41750799078998 APPROVAL OF THE MINUTES OF THE 15TH MEETING OF USCIBEC 7/9/1954 1 47270 FOLDER 295 A57597 41750709078989 TENTATIVE MINUTES OF THE 16TH MEETING OF USCIBEC 7/8/1954 4 47270 FOLDER 295 A57599 41750749078992 TENTATIVE MINUTES OF THE 15TH MEETING OF USCIBEC 6/23/1954 3 47270 FOLDER 295 A57602 41750819079000 AGENDA FOR 16TH MEETING USCIBEC 6/18/1954 2 47270 FOLDER 295 A57606 41750829079001 APPROVAL OF TENTATIVE MINUTES 14TH MEETING USCIBEC 6/8/1954 1 47270 FOLDER 295 A57608 41750839079002 AGENDA FOR FIFTEENTH MEETING USCIBEC 5/25/1954 3

UNCLASSIFIED 57 UNCLASSIFIED

47270 FOLDER 295 A57610 41750849079003 TENTATIVE MINUTES, 14TH MEETING, USCIBEC 5/20/1954 4 47270 FOLDER 295 A57611 41750869079005 APPROVAL OF MINUTES, 13TH MEETING, USCIBEC 4/22/1954 2 47270 FOLDER 295 A57615 41750879079006 AGENDA, 14TH MEETING, USCIBEC 4/21/1954 2 47270 FOLDER 295 A57617 41750759078994 APRIL MEETING OF USCIBEC 4/13/1954 1 47270 FOLDER 295 A57619 41750899079008 APPROVAL OF MINUTES, 12TH MEETING, USCIBEC 4/9/1954 1 47270 FOLDER 295 A57620 41750889079007 APPROVAL OF MINUTES, 11TH MEETING, USCIBEC 4/9/1954 1 47270 FOLDER 295 A57627 41750909079009 TENTATIVE MINUTES, 13TH MEETING, USCIBEC 4/7/1954 3 47270 FOLDER 295 A57630 41750939079012 TENTATIVE MINUTES, 12 MEETING, USCIBEC 3/24/1954 3 47270 FOLDER 295 A57632 41750949079013 TENTATIVE MINUTES, 11TH MEETING, USCIBEC 3/24/1954 3 47270 FOLDER 295 A57634 41750969079015 AGENDA, 13TH MEETING, USCIBEC 3/19/1954 2 47270 FOLDER 295 A57636 41750979079016 TENTATIVE MINUTES, 10TH USCIBEC MEETING 3/5/1954 1 47270 FOLDER 294 A57639 41750919079010 VISIT TO LONDON BY DIRECTOR OF COMMUNICATION SECURITY, CANADA 5/9/1955 1 47270 FOLDER 294 A57641 41750989079017 APPOINTMENT OF SUSLO, OTTAWA 5/4/1955 1 47270 FOLDER 294 A57642 41750999079018 APPOINTMENT OF SUSLO, OTTAWA 4/26/1955 2 47270 FOLDER 294 A57648 41751149079033 ITEM 2 OF AGENDA FOR 115TH MEETING OF USCIB; EVALUATION OF ADVANCER 5/20/1955 3 47270 FOLDER 293 A57696 41751159079034 INDOCTRINATION TOTALS, CANADIANS 3/30/1955 2 47270 FOLDER 293 A57698 41751009079019 CANADIAN INDOCTRINATION TOTALS 9/1/1954 3 47270 FOLDER 293 A57701 41751179079036 CANADIAN OFFICER CLEARANCE 3/29/1942 1 47270 FOLDER 292 A57712 41751219079041 LIAISON WITH FOREIGN GOVERNMENTAL ACTIVITIES 3/25/1954 6 47270 FOLDER 292 A57714 41751239079042 EXTENSION OF USAF LIAISON ARRANGEMENTS WITH FOREIGN GOVERNMENT ACTIVITIES 7/28/1955 2 47270 FOLDER 292 A57719 41751279079045 CONDUCT OF COMINT LIAISON WITH THE U.K. AND CANADA 11/1/1954 1 47270 FOLDER 292 A57721 41751289079047 CONDUCT OF COMINT LIAISON WITH CAN/UK/AUS 8/5/1954 2 47270 FOLDER 292 A57724 41751299079048 CONDUCT OF OVERT COMINT LIAISON 7/21/1954 2 47270 FOLDER 292 A57726 41751319079050 NOTIFICATION OF EXTENSION OF LIAISON ARRANGEMENTS 4/26/1954 2 47270 FOLDER 292 A57730 41751399079058 OVERT COMINT LIAISON WITH FOREIGN GOVERNMENTAL ACTIVITIES 3/4/1954 2 47270 FOLDER 292 A57733 41751409079059 COMINT LIAISON WITH FOREIGN GOVERNMENTAL ACTIVITIES - 12TH MEETING DECISION 3/10/1954 3 47270 FOLDER 291 A57737 41751419079060 CONFORMANCE WITH MINIMUM STANDARDS GOVERNING COMMUNICATIONS SECURITY SYSTEMS 7/21/1955 1 47270 FOLDER 291 A57739 41751429079061 ANNUAL REPORT OF THE EXECUTIVE SECRETARY, USCIB 7/19/1955 1 47270 FOLDER 291 A57743 41751489079067 ANNUAL REPORT EXECUTIVE SECRETARY, USCIB 7/1/1955 7 47270 FOLDER 291 A57744 41751449079063 PROGRESS REPORT, 1 JANUARY 1955 TO 1 JUNE 1955 5/24/1955 2 47270 FOLDER 291 A57746 41751569079075 TENTATIVE MINUTES 113TH MEETING USCIB 3/25/1955 1 47270 FOLDER 291 A57748 41751639079081 SEMI-ANNUAL REPORT, EXECUTIVE SECRETARY, USCIB 3/7/1955 2 47270 FOLDER 291 A57750 41751619079079 APPROVAL OF USCIB 5.4/20, 10 FEBRUARY 1955 3/2/1955 1 47270 FOLDER 291 A57752 41751539079072 SEMI-ANNUAL REPORT BY THE EXECUTIVE SECRETARY, USCIB 1/28/1955 1 47270 FOLDER 291 A57765 41751699079087 SEMI-ANNUAL REPORT, EXECUTIVE SECRETARY, USCIB 2/10/1954 1 47270 FOLDER 291 A57768 41751519079070 SEMI-ANNUAL REPORT, EXECUTIVE SECRETARY, USCIB 1/11/1955 5 47270 FOLDER 291 A57771 41751729079091 PROGRESS REPORT 15 JUNE 1954 TO 1 JANUARY 1955 1/10/1955 3 47270 FOLDER 291 A57784 41751669079084 PROGRESS REPORT FOR PERIOD 15 JUNE 1954 TO 1 JANUARY 1955; PRINCIPAL ACTIONS OF THE INTELLIGENCE COMMITTEE FROM 15 JUNE 1954 TO 1 JANUARY 1955 1/10/1955 4 47270 FOLDER 291 A57795 41751759079094 CONFORMANCE WITH MINIMUM STANDARDS GOVERNING COMMUNICATIONS SECURITY SYSTEMS 12/13/1954 1 47270 FOLDER 291 A57803 41789069082807 HANDLING OF COMINT MATERIAL WITHIN THE OFFICE OF THE SECRETARY OF DEFENSE; MEMORANDUM FOR THE MEMBERS OF USCIB 11/2/1954 3 47270 FOLDER 291 A57806 41751849079102 APPROVAL OF USCIB 5.4/12 DATED 15 JUNE 1954 7/16/1954 1 47270 FOLDER 291 A57810 41751889079105 IMPLEMENTATION OF USCIB DIRECTIVE NO. 9 7/8/1954 1 47270 FOLDER 291 A57821 41751869079104 ANNUAL REPORT OF THE EXECUTIVE SECRETARY, USCIB; ITEM 4 OF AGENDA, 16TH MEETING 6/25/1954 3 47270 FOLDER 220 A57822 41760209079934 FUNDAMENTALS OF TRANSMISSION SECURITY-JOINT; ARMED FORCES SECURITY AGENCY (AFSAG) 1248 9/1/1952 64 47270 FOLDER 291 A57827 41751909079108 ANNUAL REPORT OF THE EXECUTIVE SECRETARY, USCIB 7/6/1954 1 47270 FOLDER 291 A57830 41751919079110 ANNUAL REPORT OF THE EXECUTIVE SECRETARY, USCIB 6/15/1954 6 47270 FOLDER 219 A57833 41760229079936 TEXTA MANUAL; TECHNICAL EXTRACTS OF TRAFFIC ANALYSIS SYSTEM 5/10/1955 75 47270 FOLDER 218 A57839 41760259079938 DISPOSITION FORM: NATIONAL SECURITY AGENCY TECHNICAL JOURNAL; INCLUDES TERMS OF REFERENCE FOR MANAGING EDITOR 2/10/1955 4 47270 FOLDER 291 A57842 41751939079111 PROGRESS REPORT FOR PERIOD 1 JANUARY 1954 TO 15 JUNE 1954; USCIBINTCOM PROGRESS REPORT 6/15/1954 4 47270 FOLDER 291 A57850 41752199079136 SECCOM PROGRESS REPORT 1 JANUARY 1954 - 15 JUNE 1954.; PRINCIPAL ACTIONS OF THE SECURITY COMMITTEE 6/15/1954 4

UNCLASSIFIED 58 UNCLASSIFIED

47270 FOLDER 291 A57861 41752209079138 PROCEDURE FOR DELIVERY OF U.S. COMMUNICATIONS SECURITY BOARD (USCSB) PAPERS 5/5/1954 1 47270 FOLDER 291 A57865 41752059079123 USCIB FILE DESIGNATORS 11/12/1953 12 47270 FOLDER 290 A57872 41752079079125 ALERTING HIGHEST AUTHORITIES; USCIB 9.2/34; 35; USCIB 9.2/34; 35; 5/20/1955 1 47270 FOLDER 290 A57878 41752249079141 ALERTING THE HIGHEST AUTHORITIES 5/23/1955 2 47270 FOLDER 290 A57881 41752039079121 ALERTING THE HIGHEST AUTHORITIES 5/12/1955 2 47270 FOLDER 290 A57883 41751959079113 ALERTING THE HIGHEST AUTHORITIES 4/26/1955 3 47270 FOLDER 290 A57884 41752019079118 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHICOM ATTACK ON FORMOSA 1/28/1955 1 47270 FOLDER 290 A57886 41752129079129 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHICOM ATTACK ON FORMOSA 1/28/1955 3 47270 FOLDER 290 A57887 41752049079122 U.S. COMINT EFFORT ON CHINESE COMMUNIST COMMUNICATIONS 2/9/1955 2 47270 FOLDER 290 A57888 41752099079127 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF A CHICOM ATTACK ON FORMOSA 2/9/1955 4 47270 FOLDER 290 A57890 41752149079132 DEPLOYMENT OF THE 327TH CRC 2/2/1955 2 47270 FOLDER 218 A57962 41760279079939 MINUTES OF THE THIRD MEETING OF THE NATIONAL SECURITY AGENCY TECHNICAL JOURNAL EDITORIAL POLICY BOARD 2/8/1955 2 47270 FOLDER 218 A57963 41760299079941 AGENDA FOR THE THIRD MEETING OF THE EDITORIAL POLICY BOARD; MEMO FROM WILLIAM F. FRIEDMAN (BOARD CHAIRMAN) 2/4/1955 1 47270 FOLDER 218 A57965 41760309079944 MINUTES OF THE SECOND MEETING OF THE NSA TECHNICAL JOURNAL EDITORIAL POLICY BOARD; MEMO FROM WILLIAM F. FRIEDMAN 1/28/1955 2 47270 FOLDER 218 A57969 41760319079945 SECOND MEETING OF NSA TECHNICAL JOURNAL EDITORIAL POLICY BOARD - AGENDA; MEMO FROM WILLIAM F. FRIEDMAN 1/20/1955 1 47270 FOLDER 218 A57971 41760339079947 MINUTES OF THE NSA TECHNICAL JOURNAL EDITORIAL POLICY BOARD MEETING OF 14 JANUARY 1955 1/20/1955 2 47270 FOLDER 218 A57973 41760359079948 NSA REGULATION NUMBER 10-14, ESTABLISHMENT OF A TECHNICAL JOURNAL 12/31/1954 2 47270 FOLDER 218 A57976 41760379079949 NSA GENERAL ORDERS NUMBER 88; NSA TECHNICAL JOURNAL EDITORIAL POLICY BOARD - ANNOUNCEMENT OF BOARD MEMBERSHIP 12/30/1954 1 47270 FOLDER 218 A57977 41760389079951 AGENDA FOR THE FOURTH MEETING OF THE EDITORIAL POLICY BOARD 23 FEB 1955 2/18/1955 1 47270 FOLDER 218 A57978 41760419079955 DISPOSITION FORM: JOB DESCRIPTION FOR THE EDITOR, NSA TECHNICAL JOURNAL; MEMO FROM CHIEF, TECHNICAL LIBRARY DIVISION 2/25/1955 3 47270 FOLDER 380 A57985 41764349080347 RECOMMENDATIONS FOR CHANGES TO GUIDELINES FOR SECURITY CLASSIFICATIONS; SECTION I THROUGH VII 1/1/1954 6 47270 FOLDER 380 A57986 41764359080348 GUIDE LINES FOR SECURITY CLASSIFICATIONS; COMMENTS FROM FRIEDMAN 6/16/1954 2 47270 FOLDER 380 A57988 41764369080349 GUIDELINES FOR SECURITY CLASSIFICATION - 5TH REVISION 6/1/1954 13 47270 FOLDER 380 A57990 41764379080350 FIFTH MEETING OF NSA CLASSIFICATION ADVISORY PANEL - 25 FEBRUARY 1954 3/16/1954 15 47270 FOLDER 290 A57991 41751979079116 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF A CHICOM ATTACK ON FORMOSA; TRANSFER OF THE 327 COMMUNICATIONS RECONNAISSANCE COMPANY 2/1/1955 10 47270 FOLDER 380 A57999 41764389080351 FOURTH MEETING OF THE NSA CLASSIFICATION ADVISORY PANEL - 12 FEBRUARY 1954 2/16/1954 10 47270 FOLDER 380 A58004 41764399080352 RECLASSIFICATION OF DOCUMENTS 12/28/1953 2 47270 FOLDER 290 A58008 41752509079167 INTERCEPT BASE RIGHTS ON FORMOSA 1/21/1955 3 47270 FOLDER 380 A58011 41764409080353 UPGRADING OF DOCUMENTS PREVIOUSLY CLASSIFIED RESTRICTED 12/21/1953 1 47270 FOLDER 290 A58012 41752329079150 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHICOM ATTACK ON FORMOSA - BASE RIGHTS; CHINAT INACTION ON THE BASE RIGHTS PROBLEM 1/14/1955 6 47270 FOLDER 217 A58016 41760439079957 A METHOD OF CIPHERING; PAPER BY SMITH AND LEWIS OF PALO ALTO, CALIF 11/14/1954 20 47270 FOLDER 380 A58017 41764419080354 REQUEST FOR DECLASSIFIED DOCUMENTS 12/4/1953 1 47270 FOLDER 380 A58021 41764429080355 PRESIDENTIAL ORDER AFFECTING SECURITY CLASSIFICATION; PUBLIC LAW 513 (13 MAY 1950) 11/20/1953 3 47270 FOLDER 380 A58022 41764439080356 CERTIFICATION OF PUBLIC LAW 513 (CRYPTO SECURITY LAW) 1/16/1952 4 47270 FOLDER 290 A58028 41752459079162 EXPANSION OF COMINT FACILITIES AT HONG KONG 1/13/1955 2 47270 FOLDER 380 A58030 41764449080357 REVIEW OF NSA PUBLICATIONS CLASSIFIED RESTRICTED 12/2/1953 6 47270 FOLDER 216 A58031 41760449079958 TRANSMITTAL AND RECEIPT: INFORMATION ON VISHINSKIJ SPEECH OF 10 SEPTEMBER 1954 CONCERNING CHARGE OF SOVIET ATTACK ON U.S. NAVY AIRCRAFT; TRANSMITTAL SHEET10/21/1954 FOR WILLIAM F. FRIEDMAN2 47270 FOLDER 216 A58034 41760459079959 VISHINSKIJ SPEECH OF 10 SEPTEMBER 1954 CONCERNING CHARGE OF SOVIET ATTACK ON U.S. NAVY AIRCRAFT; MEMO FROM NSA-763A TO S/ASST DIRNSA 10/21/1954 1 47270 FOLDER 216 A58041 41789109082811 NEW YORK TIMES ARTICLE, U.S. SEEKS ACTION BY WORLD COURT ON DOWNED PLANE 9/11/1954 4 47270 FOLDER 290 A58046 41752179079135 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHICOM ATTACK ON FORMOSA AND THE OFF-SHORE ISLANDS.; ITEM 2, 22ND MEETING, USCIBEC 1/1/1955 4 47270 FOLDER 290 A58053 41752529079168 USCIB 9.2/19, DATED 13 DECEMBER 1954 12/23/1954 1 47270 FOLDER 380 A58056 41764459080358 GUIDANCE ON REGRADING OF RESTRICTED MATERIAL 11/24/1953 7 47270 FOLDER 290 A58057 41752379079155 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHICOM ATTACK ON FORMOSA AND THE OFF-SHORE ISLANDS - DECEMBER 1954 12/13/1954 1 47270 FOLDER 290 A58060 41752309079147 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHICOM ATTACK ON FORMOSA AND THE OFF-SHORE ISLANDS; CHINAT REACTION TO U.S. BASE RIGHTS REQUESTS 12/6/1954 3 47270 FOLDER 290 A58065 41752279079144 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHICOM ATTACK ON FORMOSA AND THE OFF-SHORE ISLANDS - 110TH USCIB MEETING 1/1/1955 2 47270 FOLDER 216 A58068 41760469079960 USSR INTERNATIONAL SERVICE ARTICLE, U.N. DISCUSSES VLADIVOSTOK INCIDENT; MOSCOW, SOVIET HOME SERVICE, SEPT. 11, 1954, 0500 GMT- - L 9/13/1954 2 47270 FOLDER 380 A58069 41764469080359 SECURITY CLASSIFICATION; TO MEMBERS OF NSA CLASSIFICATION ADVISORY PANEL 1/19/1954 13 47270 FOLDER 290 A58070 41752349079152 USCIB 9.2/16, DATED 26 NOVEMBER 1954 11/29/1954 1 47270 FOLDER 380 A58071 41764479080360 TRANSCRIPT OF NSA CLASSIFICATION ADVISORY PANEL MEETING 1/29/1954 38 47270 FOLDER 216 A58072 41760489079962 UNITED NATIONS SECURITY COUNCIL VERBATIM RECORD OF THE SIX HUNDRED AND EIGHTIETH MEETING; MEETING HELD AT HEADQUARTERS, NEW YORK, ON FRIDAY, 10 SEPTEMBER9/10/1954 1954, AT 3 P.M 38

UNCLASSIFIED 59 UNCLASSIFIED

47270 FOLDER 290 A58079 41752479079165 CORRECTION TO USCIB 9.2/13 OF 18 NOVEMBER 1954 11/24/1954 1 47270 FOLDER 216 A58081 41760499079963 UNITED NATIONS SECURITY COUNCIL : LETTER DATED 10 SEPTEMBER 1954 FROM THE REPRESENTATIVE OF THE UNION OF SOVIET SOCIALIST REPUBLICS ADDRESSED TO THE PRESIDENT9/10/1954 OF THE SECURITY COUNCIL;5 SOVIET GOVERNMENT NOTES HANDED TO THE UNITED STATES EMBASSY IN MOSCOW ON 5 AND 8 SEPTEMBER 1954 47270 FOLDER 290 A58082 41752409079158 COMINT CAPABILITY AGAINST CHINESE COMMUNIST COMMUNICATIONS 11/12/1954 2 47270 FOLDER 290 A58085 41789119082812 U.S. COMINT EFFORT ON CHINESE COMMUNIST COMMUNICATIONS; OBTAIN CHINESE COMMUNIST CRYPTOGRAPHIC AND RELATED MATERIAL 11/15/1954 2 47270 FOLDER 290 A58089 41752439079160 COMINT CAPABILITIES TO PROVIDE EARLY WARNING OF CHINESE COMMUNIST ATTACK ON FORMOSA AND THE OFF-SHORE ISLANDS OCCUPIED BY THE CHINESE NATIONALISTS; WAYS10/26/1954 AND MEANS OF INCREASING2 THE U.S. COMINT CAPABILITY TO PROVIDE EARLY WARNING 47270 FOLDER 216 A58090 41760519079965 MEMORANDUM FOR THE RECORD CONCERNING A BRIEFING AT THE PENTAGON ON SOVIET ELECTRONICS 12/16/1954 7 47270 FOLDER 290 A58093 41752549079170 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHINESE COMMUNIST ATTACK ON FORMOSA AND THE OFF-SHORE ISLANDS OCCUPIED BY CHINESE NATIONALISTS - ITEM 5, 21ST1/1/1954 MEETING, USCIBEC 4 47270 FOLDER 380 A58095 42029919106873 MINUTES OF NSA CLASSIFICATION ADVISORY PANEL MEETING - 29 JANUARY 1954 2/3/1954 17 47270 FOLDER 380 A58098 41764499080362 MINUTES OF NSA CLASSIFICATION ADVISORY PANEL MEETING - 2 SEPTEMBER 1953 9/18/1953 3 47270 FOLDER 215 A58099 41760539079967 NOTE REGARDING A MAJ. KRAMER; UNATTRIBUTED 10/15/1954 1 47270 FOLDER 290 A58100 41752589079174 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHINESE COMMUNIST ATTACK ON FORMOSA AND THE OFF-SHORE ISLANDS OCCUPIED BY THE CHINESE NATIONALISTS - CHINAT10/13/1954 SEARCH; CHINESE NATIONALISTS4 UNDERTAKE A SEARCH ON THE OFF-SHORE ISLANDS 47270 FOLDER 380 A58101 41764509080363 SECURITY CLASSIFICATION AND DISPOSITION EMPTY TAPE REELS 4/29/1953 2 47270 FOLDER 215 A58103 41760549079968 COMMENTS ON REVISION OF AR 380-10; INTERNAL ASA MEMORANDUM 4/26/1949 2 47270 FOLDER 380 A58107 41764519080364 SECURITY CLASSIFICATION AND DISPOSITION OF EMPTY TAPE REELS 4/27/1953 2 47270 FOLDER 215 A58108 41760569079970 REVISION OF DEPARTMENT OF THE ARMY MEMORANDUM 380-5-10; COMMENTS/SUGGESTIONS FROM CHIEF, ASA TO PROVOST MARSHAL GENERAL 1/28/1949 4 47270 FOLDER 380 A58109 41764529080365 SECURITY CLASSIFICATION AND DISPOSITION OF EMPTY TAPE REELS; TO: MEMBERS OF CLASSIFICATION ADVISORY PANEL 4/27/1952 9 47270 FOLDER 290 A58112 41752599079176 COMINT CAPABILITY AGAINST CHINESE COMMUNIST COMMUNICATIONS - RAW TRAFFIC; NATIONALIST CHINESE WILLINGNESS TO PROVIDE THE U.S. WITH ALL THEIR RAW INTERCEPT11/8/1954 3 47270 FOLDER 215 A58113 41760589079973 COPY OF THE LATEST DRAFT OF REVISION OF AR 380-5; ALL ASA COMMENTS SUBMITTED TO INTELLIGENCE DIVISION HAVE BEEN INCORPORATED IN THIS DRAFT 9/10/1948 104 47270 FOLDER 290 A58115 41752609079177 COMINT CAPABILITY AGAINST CHINESE COMMUNICATIONS - MAJOR COMPONENT; COMINT RECOGNIZED AS A MAJOR COMPONENT OF THE NATIONAL INTELLIGENCE EFFORT 10/29/1954 7 47270 FOLDER 290 A58117 41752689079186 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHINESE COMMUNIST ATTACK ON FORMOSA; MEMORANDUM FOR THE MEMBERS OF USCIB 10/25/1954 2 47270 FOLDER 290 A58119 41752659079182 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHINESE COMMUNIST ATTACK ON FORMOSA AND THE OFF-SHORE ISLANDS OCCUPIED BY THE CHINESE NATIONALISTS 10/22/1954 12 47270 FOLDER 214 A58123 41760659079980 NOTES ON THE LIAISON SERVICE AND THE LIAISON INTELLIGENCE SERVICE OF THE GERMAN ARMY DURING THE WORLD WAR; PUBLISHED BY WAR DEPARTMENT, OFFICE OF THE CHIEF1/1/1935 SIGNAL OFFICER 44 47270 FOLDER 213 A58127 41760699079984 THE CONTRIBUTION OF THE CRYPTOGRAPHIC BUREAUS IN THE WORLD WAR; BY YVES GYLDEN - WAR DEPARTMENT PUBLICATION - 1/1/1935 90 47270 FOLDER 212 A58132 41760749079991 TRANSMITTAL AND RECEIPT FORM - A VERSION OF THE JAPANESE PROBLEM IN THE SIGNAL INTELLIGENCE SERVICE (LATER SIGNAL SECURITY AGENCY) 1930 - 1945 BY JOHN B. HURT11/20/1956 214 47270 FOLDER 290 A58133 41752769079193 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHINESE COMMUNIST ATTACK ON FORMOSA AND THE OFF-SHORE ISLANDS 10/14/1954 4 47270 FOLDER 290 A58134 41752749079191 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF CHINESE COMMUNIST ATTACK ON FORMOSA AND THE OFF-SHORE ISLANDS OCCUPIED BY THE CHINESE NATIONALISTS - CHAIRMAN'S10/6/1954 REPORT 3 47270 FOLDER 211 A58137 41760789079992 PRELIMINARY HISTORICAL REPORT ON THE SOLUTION OF THE "B" MACHINE; THE PURPLE SYSTEM - BY WILLIAM F. FRIEDMAN 10/14/1940 12 47270 FOLDER 290 A58138 41752839079200 NO EXTRA COPIES OF USCIB 9.2/11 3/4/1954 1 47270 FOLDER 211 A58139 41760799079993 DISPOSITION FORM: SUBJECT DECLASSIFICATION OF DOCUMENT; PRELIMINARY HISTORICAL REPORT ON THE SOLUTION OF THE "B" MACHINE WRITTEN BY WILLIAM F. FRIEDMAN 2/8/1957 1 47270 FOLDER 211 A58142 41760809079994 DECLASSIFICATION OF DOCUMENT; EXCHANGE BETWEEN NSA AG AND OFFICE OF COMSEC 3/20/1957 1 47270 FOLDER 211 A58143 41760819079995 DECLASSIFICATION OF DOCUMENT 3/29/1957 1 47270 FOLDER 210 A58144 41760969080008 MINUTES OF ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING NO. 6; REVIEW OF CRYPTOLOGIC PROJECTS AND ADOPTION OF MILITARY CHARACTERISTICS FOR CERTAIN CRYPTOLOGIC12/2/1949 GEAR 65 47270 FOLDER 290 A58145 41752729079189 THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING; REPORT OF SPECIAL STUDY GROUP NSASAB 2/11/1954 1 47270 FOLDER 210 A58146 41760979080011 MINUTES OF ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING NO. 7L; REVIEW OF CRYPTOLOGIC RESEARCH AND DEVELOPMENT PROJECTS 10/14/1949 10 47270 FOLDER 210 A58147 41761009080014 NOTIFICATION OF AND AGENDA FOR ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING #7L 9/30/1949 10 47270 FOLDER 289 A58148 41752869079203 U.S. MONITORING ACTIVITIES; REQUIREMENT FOR A COMINT SITE 1/20/1955 2 47270 FOLDER 210 A58149 41761029080015 MINUTES OF ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING NO. 6L 8/19/1949 21 47270 FOLDER 289 A58150 41789129082813 U.S. MONITORING ACTIVITIES - SECRETARIAT NOTE 1/1/1955 1 47270 FOLDER 289 A58151 41752889079205 USCIB 8.4/2, DATED 15 DECEMBER 1954 12/23/1954 1 47270 FOLDER 210 A58152 41761049080016 ARMY SECURITY AGENCY TECHNICAL COMMITTEE STANDARD OPERATING PROCEDURE; PROPOSED REVISION 8/29/1949 21 47270 FOLDER 289 A58153 41789149082815 U.S. MONITORING ACTIVITIES - 110TH MEETING 12/15/1954 1 47270 FOLDER 210 A58155 41761059080019 MILITARY CHARACTERISTICS FOR CRYPTO-EQUIPMENT (GENERAL GUIDE FOR PREPARATION OF); INSTRUCTIONS FOR USE OF GUIDE 8/24/1949 8 47270 FOLDER 289 A58156 41752809079197 U.S. MONITORING ACTIVITIES - NSA PLAN; 110TH USCIB MEETING, ITEM 5 2/1/1954 2 47270 FOLDER 210 A58159 41761089080021 NOTIFICATION OF AND AGENDA FOR ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING #6L 8/4/1949 25 47270 FOLDER 288 A58160 41752789079195 RELOCATION OF USAF/DF UNIT FROM BREMERHAVEN 5/3/1955 1 47270 FOLDER 210 A58163 41761099080023 MINUTES OF ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING NO. 5 6/10/1949 29 47270 FOLDER 288 A58164 41752819079198 RELOCATION OF USAF/DF UNIT FROM BREMERHAVEN 4/25/1955 2 47270 FOLDER 210 A58165 41761139080028 NOTIFICATION OF ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING 5/25/1949 24 47270 FOLDER 288 A58166 41752859079202 RELOCATION OF USAF/DF UNIT FROM BREMERHAVEN 4/14/1955 1 47270 FOLDER 210 A58167 41761179080032 MINUTES OF ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING NUMBER 4 4/1/1949 24

UNCLASSIFIED 60 UNCLASSIFIED

47270 FOLDER 210 A58169 41761209080034 MINUTES OF ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING NUMBER 5L; REVIEW OF CRYPTOLOGIC PROJECTS 3/18/1949 7 47270 FOLDER 197 A58170 41716799075610 CRYPTOGRAPHIC SYSTEMS USED BY GERMAN FOREIGN OFFICE; THE ZIMMERMAN TELEGRAM 10/1/1917 11 47270 FOLDER 210 A58171 41761229080035 NOTIFICATION OF ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING 3/15/1949 7 47270 FOLDER 210 A58172 41761249080037 NOTIFICATION OF ARMY SECURITY AGENCY TECHNICAL COMMITTEE MEETING 3/9/1949 2 47270 FOLDER 210 A58173 41761269080039 REVIEW OF RESEARCH AND DEVELOPMENT DIVISION SERVICE PROJECTS; M/R FROM ASA RESEARCH AND DEVELOPMENT DIVISION 3/8/1949 2 47270 FOLDER 288 A58174 41752939079210 RELOCATION OF USAF D/F UNIT FROM BREMERHAVEN - APPROVAL 11/23/1954 2 47270 FOLDER 210 A58176 41761289080041 REVIEW OF CIPHONY, CIFAX, AND CIVISION RESEARCH AND DEVELOPMENT PROJECTS; REPORT NUMBER 28 OF THE CIPHONY, CIFAX AND CIVISION SUBCOMMITTEE 3/7/1949 2 47270 FOLDER 288 A58177 41752829079199 RELOCATION OF USAF/DF UNIT FROM BREMERHAVEN - NSA PROPOSAL 11/10/1954 2 47270 FOLDER 287 A58178 41752969079213 SITE SURVEY 6/14/1954 1 47270 FOLDER 210 A58181 41761309080043 REVIEW OF CRYPTOLOGIC RESEARCH AND DEVELOPMENT PROJECTS - SUBCOMMITTEE REPORT NO. 23; REPORT OF THE CRYPTOLOGIC SUBCOMMITTEE 3/2/1949 2 47270 FOLDER 286 A58183 41752979079214 RELOCATION OF D/F STATION (USM-6C) FROM U.S. SECTOR 11/23/1954 4 47270 FOLDER 210 A58185 41761329080045 REVIEW OF INTERCEPT AND D/F RESEARCH AND DEVELOPMENT PROJECTS; SUBCOMMITTEE REPORT #26 2/24/1949 2 47270 FOLDER 286 A58188 41753289079245 RELOCATION OF D/F STATION (USM-6C) 7/16/1954 2 47270 FOLDER 210 A58189 41761349080047 MEMORANDUM FOR THE ARMY SECURITY AGENCY TECHNICAL COMMITTEE; SUBJECT: REVIEW OF INTERCEPT AND D/F RESEARCH AND DEVELOPMENT PROJECTS; SUBCOMMITTEE REPORT2/24/1949 #25 2 47270 FOLDER 286 A58191 41752879079204 RELOCATION OF D/F STATION (USM-6C) 6/2/1954 1 47270 FOLDER 286 A58194 41753009079217 RELOCATION OF D/F STATION (USM-6C) - DIRNSA PROPOSAL 5/14/1954 3 47270 FOLDER 285 A58204 41752909079207 SACLANT "Y" PLANNING 8/4/1955 2 47270 FOLDER 285 A58207 41753359079252 SACLANT "Y" PLANNING 7/8/1955 2 47270 FOLDER 285 A58209 41753389079255 SACLANT "Y" PLANNING - LSIB MEMO 6/23/1955 2 47270 FOLDER 285 A58214 41753269079243 SACLANT "Y" PLANNING 2/11/1955 1 47270 FOLDER 210 A58216 41761369080049 MEMORANDUM FOR THE ARMY SECURITY AGENCY TECHNICAL COMMITTEE; SUBJECT: REVIEW OF CRYPTOGRAPHIC RESEARCH AND DEVELOPMENT PROJECTS; CRYPTOGRAPHIC SUBCOMMITTEE2/25/1949 REPORT NO.272 47270 FOLDER 285 A58218 41753059079223 SACLANT Y PROGRAM 2/10/1955 11 47270 FOLDER 210 A58220 41761389080051 MEMORANDUM FOR THE ARMY SECURITY AGENCY TECHNICAL COMMITTEE; SUBJECT: REVIEW OF INTERCEPT AND D/F RESEARCH AND DEVELOPMENT PROJECTS; SUBCOMMITTEE REPORT2/24/1949 #26 4 47270 FOLDER 210 A58222 41761409080053 REVIEW OF INTERCEPT AND D/F RESEARCH AND DEVELOPMENT PROJECTS; SUBCOMMITTEE REPORT #25 2/24/1949 4 47270 FOLDER 285 A58223 41753209079236 112TH USCIB MEETING.; SACLANT "Y" PLANNING 1/1/1954 2 47270 FOLDER 210 A58224 41761429080055 INITIATION OF D/A PROJECT NO. 29-66-030, NC-4 MARK II AND ALPHABETIC SUBSTITUTION DEVICE; SUBCOMMITTEE REPORT NO. 22 2/14/1949 12 47270 FOLDER 210 A58228 41761469080060 INITIATION OF PROJECT 29-70-004, ASAF 1, CLASSIFICATION AS TO TYPE, AND ASSIGNMENT OF PRIORITY THERETO; SUBCOMMITTEE REPORT NO. 21 2/14/1949 10 47270 FOLDER 210 A58232 41761489080062 INITIATION OF D/A PROJECT NO. 29-66-030, NC-4 MARK II AND ALPHABETIC SUBSTITUTION DEVICE; SUBCOMMITTEE REPORT NO. 22 2/14/1949 12 47270 FOLDER 285 A58233 41753119079228 SACLANT "Y" PLANNING - NSA RECOMMENDATION 2/4/1955 2 47270 FOLDER 210 A58235 41761509080063 INITIATION OF PROJECT 29-70-004, ASAF 1, CLASSIFICATION AS TO TYPE, AND ASSIGNMENT OF PRIORITY THERETO; SUBCOMMITTEE REPORT NO. 21 2/14/1949 10 47270 FOLDER 285 A58236 41753149079231 EXECUTIVE AGENT FOR COMINT IN SACLANT 10/29/1954 2 47270 FOLDER 285 A58238 41753399079256 APPROVAL OF USCIB 7./8, DATED 6 JULY 1954 7/16/1954 1 47270 FOLDER 285 A58239 41753179079233 COMINT ARRANGEMENTS FOR SACLANT 6/25/1954 1 47270 FOLDER 285 A58241 41753369079253 COMINT ARRANGEMENTS FOR SACLANT 7/6/1954 1 47270 FOLDER 285 A58243 41753699079285 COMINT ARRANGEMENTS FOR SACLANT 6/18/1954 2 47270 FOLDER 285 A58245 41753659079281 COMINT ARRANGEMENTS FOR SACLANT - REQUEST FOR COMMENTS 5/27/1954 1 47270 FOLDER 285 A58250 41753379079254 U.K. APPOINTMENT OF NEW ASOS (I), SACLANT 5/21/1954 1 47270 FOLDER 285 A58253 41753239079239 COMINT ARRANGEMENTS FOR SACLANT - CNO COMMENTS 5/10/1954 4 47270 FOLDER 284 A58258 41753419079257 DOWNGRADING OF REFERENCES TO U.S.-CANADIAN COLLABORATION TO SECRET 4/16/1954 1 47270 FOLDER 284 A58264 41753099079225 DOWNGRADING OF REFERENCES TO U.S.-CANADIAN COLLABORATION TO SECRET - CANADIAN VIEW 4/1/1954 2 47270 FOLDER 283 A58267 41753349079251 RELEASE OF COMMUNICATIONS INTELLIGENCE EQUIPMENT TO CANADA 7/15/1953 1 47270 FOLDER 283 A58268 41753649079280 RELEASE OF COMMUNICATIONS INTELLIGENCE EQUIPMENT TO CANADA - MDAP PROGRAM 7/1/1953 3 47270 FOLDER 283 A58270 41753439079260 RELEASE OF UNCLASSIFIED COMINT EQUIPMENT TO FRIENDLY FOREIGN GOVERNMENTS 7/1/1953 5 47270 FOLDER 283 A58275 41753499079266 AVAILABILITY OF UNCLASSIFIED COMINT EQUIPMENT FOR FRIENDLY FOREIGN GOVERNMENTS 7/1/1953 2 47270 FOLDER 283 A58277 41753529079269 MEMORANDUM FOR MEMBERS OF THE USCIB 1/21/1953 4 47270 FOLDER 283 A58284 41753429079258 YUGOSLAV REQUEST FOR INTERCEPT EQUIPMENT 1/13/1953 3 47270 FOLDER 283 A58286 41753469079263 REQUEST CONCERNING U.S. SYNOPTIC WEATHER FORECASTS 12/29/1952 2 47270 FOLDER 283 A58293 41753599079276 REQUEST CONCERNING U.S. SYNOPTIC WEATHER FORECASTS - JCS MEMO 12/19/1952 3 47270 FOLDER 282 A58295 41753489079265 RELIEF OF LOCUS 1/7/1953 2 47270 FOLDER 282 A58300 41753459079261 DISSEMINATION OF COMINT TO CBNRC, OTTAWA 12/2/1952 24

UNCLASSIFIED 61 UNCLASSIFIED

47270 FOLDER 282 A58308 41753729079288 FINAL PAPERS OF THE U.K./U.S./CANADIAN CONFERENCE ON COMINT COMMUNICATIONS, OCTOBER 1952 11/19/1952 5 47270 FOLDER 281 A58313 41753619079277 US/UK/CAN TRIPARTITE ARRANGEMENTS CONCERNING INTELLIGENCE 5/10/1954 1 47270 FOLDER 281 A58355 41753039079219 US/UK/CAN TRIPARTITE ARRANGEMENTS CONCERNING INTELLIGENCE; AMENDMENT TO PAPERS DISCUSSED AT TRIPARTITE PLANNING CONFERENCE OF MARCH 1953 4/7/1954 2 47270 FOLDER 281 A58358 41753549079271 US/UK/CAN TRIPARTITE ARRANGEMENTS CONCERNING INTELLIGENCE 3/25/1954 1 47270 FOLDER 281 A58360 41789179082818 US/UK/CAN TRIPARTITE ARRANGEMENTS CONCERNING INTELLIGENCE 3/10/1954 3 47270 FOLDER 280 A58366 41753639079279 USCIB DIRECTIVE #15 DATED 12 AUGUST 1954 8/15/1955 1 47270 FOLDER 280 A58372 41753579079274 PERIODIC REVIEW OF ANNEX A TO CIBD #7; LIST OF SPECIFIC AREAS INVOLVING SUBSTANTIAL RISK TO COMINT KNOWLEDGEABLE INDIVIDUALS 8/8/1955 2 47270 FOLDER 280 A58377 41753669079282 PERIODIC REVIEW OF ANNEX A TO CIBD #7 - SECURITY COMMITTEE COMMENTS 7/7/1955 1 47270 FOLDER 280 A58380 41753999079315 EXCEPTION TO PROVISIONS OF USCIB DIRECTIVE NO. 15.; CURRENTLY APPROVED EXCEPTIONS AND LIMITATIONS TO THE LOWEST LEVELS OF AUTHORITY 6/23/1955 2 47270 FOLDER 280 A58383 41753689079284 EXCEPTION TO THE PROVISIONS OF USCIB DIRECTIVE NO 15 - DECISION APPROVED 6/21/1955 1 47270 FOLDER 280 A58391 41753759079291 EXCEPTION TO THE PROVISIONS OF USCIB DIRECTIVE NO. 15; DISSEMINATION OF CATEGORY II AND III COMINT TO CONAD 5/26/1955 3 47270 FOLDER 280 A58395 41754779079393 PERIODIC REVIEW OF ANNEX A TO CIBD #7 6/9/1955 1 47270 FOLDER 280 A58397 41753709079286 EXCEPTION TO PROVISIONS OF USCIB DIRECTIVE NO. 15 5/27/1955 1 47270 FOLDER 280 A58402 41753919079307 PROMULGATION OF USCIB DIRECTIVE NO 7 (NEW).; SPECIFIC AREAS INVOLVING UNACCEPTABLE OR UNDUE RISK TO INDIVIDUALS HAVING KNOWLEDGE OF CURRENT VALUE ABOUT COMINT5/16/1955 3 47270 FOLDER 280 A58405 41753809079296 EXCEPTION TO THE PROVISIONS OF USCIB DIRECTIVE #15 - VOTE RESULTS 5/9/1955 1 47270 FOLDER 218 A58410 41761519080065 ROUTING SLIP: DRAFT JOB DESCRIPTION FOR THE EDITOR OF THE NSA TECHNICAL JOURNAL 1/28/1955 3 47270 FOLDER 280 A58414 41753899079305 CONSOLIDATION OF CIBD #7 AND CIBD #14 5/3/1955 1 47270 FOLDER 280 A58415 41754349079350 EXCEPTION TO THE PROVISIONS OF USCIB DIRECTIVE #15 4/21/1955 1 47270 FOLDER 280 A58418 41753829079298 EMERGENCY AND OPERATIONAL DISSEMINATION OF COMINT 4/19/1955 1 47270 FOLDER 280 A58420 41753949079310 CONSOLIDATION OF CIBD #7 AND CIBD #14 (HAZARDOUS ACTIVITIES) 4/18/1955 21 47270 FOLDER 280 A58424 41748439078761 CONSOLIDATION OF CIBD #7 AND CIBD #14 (USCIB 4.2/40; 4.2/41).; EXPOSED, RISKY, AND DANGEROUS SITUATIONS WITH REGARD TO COMINT ACTIVITIES 3/25/1955 5 47270 FOLDER 280 A58428 41748779078796 CONSOLIDATION OF CIBD #7 AND CIBD #14 - DRAFT APPENDIX; GUIDE TO UNIFORM INTERPRETATION OF SECTION III IF CIBD # 3/18/1955 5 47270 FOLDER 280 A58430 41754039079319 CONSOLIDATION OF CIBD #7 AND CIBD #14 - FURTHER DISCUSSIONS; HAZARDOUS ACTIVITIES 3/15/1955 18 47270 FOLDER 280 A58432 41753869079302 USCIB 4.2/38 (ITEM 3 OF THE AGENDA FOR THE 24TH MEETING OF USCIBED).; DRAFT DIRECTIVE ON HAZARDOUS ACTIVITIES 2/24/1955 19 47270 FOLDER 280 A58438 41753779079293 REVISION OF USCIB DIRECTIVE NUMBER 14 (USCIB 4.2.36) 1/28/1955 2 47270 FOLDER 280 A58443 41754119079327 USCIB DIRECTIVE NO. 6; INSTRUCTIONS FOR THE PROTECTION OF COMINT CODEWORDS 1/19/1955 3 47270 FOLDER 229 A58444 41760219079942 RUSSIAN DICTIONARY REVERSE ALPHABETIC SORT; NSA-725 CRYPTO-LINGUISTIC WORKING AID NO.3 6/1/1955 634 47270 FOLDER 280 A58445 41753989079313 REVISION OF USCIB DIRECTIVE NO 14 1/17/1955 1 47270 FOLDER 280 A58447 41754149079330 PROMULGATION OF USCIB DIRECTIVE NO. 16 1/5/1955 2 47270 FOLDER 280 A58450 41754239079339 REVISION OF USCIB DIRECTIVE NO. 6 - APPROVED 1/3/1955 1 47270 FOLDER 280 A58452 41754219079337 REVISION OF USCIB DIRECTIVE NO. 5 12/20/1954 2 47270 FOLDER 228 A58459 41760349079953 STATISTICAL METHODS IN CRYPTANALYSIS, REVISED EDITION. REGISTER NO. 193, SERIAL NO. 1008; BY SOLOMON KULLBACK 1/1/1938 206 47270 FOLDER 280 A58462 41754099079325 REVISION OF USCIB DIRECTIVE NO.6.; INSTRUCTIONS FOR THE PROTECTION OF COMINT CODEWORDS 12/17/1954 3 47270 FOLDER 227 A58464 41760609079975 FURTHER APPLICATIONS OF THE PRINCIPLES OF INDIRECT SYMMETRY OF POSITION IN SECONDARY ALPHABETS, REGISTER NO. 135; BY FRANK B. ROWLETT 1/1/1935 33 47270 FOLDER 280 A58465 41754289079344 PROPOSED REVISION OF USCIB DIRECTIVE NUMBER 5 12/1/1954 1 47270 FOLDER 280 A58469 41754179079333 REVISION OF USCIB DIRECTIVE NO. 14; TRAVEL IN HAZARDOUS AREAS 11/29/1954 3 47270 FOLDER 401 A58470 41721899076116 DISTRIBUTION OF JOINT PUBLICATIONS - JCEC AND JCS PAPERS ON FILE IN THE AFSA SECRETARIAT 2/13/1950 23 47270 FOLDER 226 A58472 41760669079979 THE PRINCIPLES OF INDIRECT SYMMETRY OF POSITION IN SECONDARY ALPHABETS AND THEIR APPLICATION IN THE SOLUTION OF POLYALPHABETIC SUBSTITUTION CIPHERS, REGISTER1/1/1935 NO. 161; BY WILLIAM F.25 AND ELIZEBETH S. FRIEDMAN 47270 FOLDER 225 A58474 41760649079978 PERMUTATION TABLES INVOLVING A FEATURE OF NON-TRANSPOSABILITY, REGISTER NO. 2; BY ABRAHAM SINKOV 1/1/1934 15 47270 FOLDER 280 A58475 41754069079322 USCIB DIRECTIVE NUMBER 5 11/19/1954 2 47270 FOLDER 224 A58477 41760689079982 A BRIEF HISTORY OF THE SIGNAL INTELLIGENCE SERVICE; DRAFT/EDITING VERSION BY WILLIAM F. FRIEDMAN 4/2/1943 13 47270 FOLDER 280 A58478 41754259079341 REVISION OF USCIB DIRECTIVE #9.; COMPROMISE OF COMINT INFORMATION AND COMINT CODEWORDS DUE TO CAUSES OTHER THAN TRANSMISSION BY ELECTRICAL MEANS 11/2/1954 3 47270 FOLDER 401 A58480 41721919076123 ADDENDUM NO. 80 OF JOINT PUBLICATIONS ON FILE IN THE AFSA SECRETARIAT 8/6/1951 202 47270 FOLDER 280 A58484 41754769079392 REVISION OF USCIB DIRECTIVE NUMBER 9 OF 4 FEBRUARY 1954.; COMPROMISES DUE TO INADVERTENT OR ACCIDENTAL DISCLOSURE OF COMINT INFORMATION 10/19/1954 2 47270 FOLDER 223 A58486 41760759079988 APPENDIX 4 - SERVICE TERMINOLOGY & STEREOTYPES; MAIN DOCUMENT NOT SPECIFIED 1/1/1935 10 47270 FOLDER 222 A58489 41760729079987 FUNDAMENTALS OF TRAFFIC ANALYSIS (RADIO-TELEGRAPH); DEPARTMENT OF THE ARMY TECHNICAL MANUAL TM 32-250; DEPARTMENT OF THE AIR FORCE MANUAL AFM 100-80 10/1/1948 108 47270 FOLDER 280 A58503 41754529079368 REVIEW OF USCIB DIRECTIVES 10/18/1954 2 47270 FOLDER 400 A58504 41793739083272 MACHINE NEGOTIATIONS; INTRA-AFSA MEMO 8/19/1952 1 47270 FOLDER 280 A58505 41754379079353 REVISION OF USCIB DIRECTIVE NO. 9 OF 4 FEBRUARY 1954.; POSSIBLE COMPROMISES OF COMINT 9/24/1954 4 47270 FOLDER 280 A58506 41754659079381 PROMULGATION OF USCIB DIRECTIVE NO. 15 8/16/1954 1

UNCLASSIFIED 62 UNCLASSIFIED

47270 FOLDER 280 A58508 41754449079360 USCIB DIRECTIVE NUMBER 6 (CIBD #6).; INSTRUCTIONS FOR THE PROTECTION OF COMINT CODEWORDS 7/26/1954 2 47270 FOLDER 280 A58510 41754629079378 REVIEW OF USCIB DIRECTIVES - CHAIRMAN'S REPORT 7/22/1954 2 47270 FOLDER 280 A58513 41754679079383 HAZARDOUS ACTIVITIES 7/1/1954 1 47270 FOLDER 323 A58516 41721029076030 MEMO ROUTING SLIP - LIST OF FILE FOLDERS FOR ADDITIONAL MATERIAL ON ALLIED (NATO) COMSEC 2/1/1950 1 47270 FOLDER 280 A58519 41754399079355 RESTRICTION OF TRAVEL OF PERSONS HAVING COMINT KNOWLEDGE 5/5/1954 3 47270 FOLDER 323 A58521 41721109076038 ALLIED (NATO) COMMUNICATIONS SECURITY 8/14/1953 2 47270 FOLDER 280 A58523 41754419079357 RESTRICTION OF TRAVEL OF PERSONS HAVING COMINT KNOWLEDGE 4/26/1954 1 47270 FOLDER 280 A58524 41754609079376 APPROVAL OF USCIB 4.2/14 DATED 29 MARCH 1954 4/9/1954 1 47270 FOLDER 323 A58525 41721139076041 ALLIED (NATO) COMMUNICATIONS SECURITY; FIFTH MEETING OF USCIBEC, 17 JULY 1953 7/17/1953 1 47270 FOLDER 280 A58526 41754499079365 COMINT LIAISON WITH FOREIGN GOVERNMENTAL ACTIVITIES 4/7/1954 2 47270 FOLDER 280 A58532 41754549079370 ITEM 2 OF THE AGENDA FOR THE THIRTEENTH MEETING OF USCIBEC, HELD ON 26 MARCH 1954.; TRAVEL RESTRICTIONS 3/26/1954 3 47270 FOLDER 323 A58534 41721179076045 ALLIED (NATO) COMMUNICATIONS SECURITY; MEMORANDUM OF INFORMATION FOR THE SPECIAL COMMITTEE OF THE NSC FOR COMINT 7/29/1953 3 47270 FOLDER 280 A58536 41754579079373 USCIB DIRECTIVE NUMBER 13 (CAPTURE OF ENEMY CRYPTOLOGIC MATERIAL) 3/29/1954 5 47270 FOLDER 323 A58539 42034589107340 FINAL REPORT AND PAPERS OF THE U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES (USCIB 23/65) 7/6/1953 6 47270 FOLDER 323 A58543 41721259076052 SECURITY OF FOREIGN COMMUNICATIONS 7/10/1953 1 47270 FOLDER 280 A58544 41754709079386 RESTRICTION OF TRAVEL OF PERSONS HAVING COMINT KNOWLEDGE - PROPOSED SCHEME; INSTRUCTIONS FOR REGULATING PRIVATE FOREIGN TRAVEL BY PERSONS HAVING KNOWLEDGE3/16/1954 OF CRITICAL COMINT4 47270 FOLDER 323 A58546 41721279076054 ALLIED (NATO) COMMUNICATIONS SECURITY 7/10/1953 1 47270 FOLDER 323 A58552 41721289076055 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 8/17/1953 3 47270 FOLDER 280 A58554 41754469079362 USCIB DIRECTIVE #9. (USCIB 4.2/11 - REPORTING OF COMPROMISES) 2/25/1954 1 47270 FOLDER 323 A58555 41721309076057 ALLIED (NATO) COMMUNICATIONS SECURITY; ITEM FOR THE EIGHTY-EIGHTH MEETING OF USCIB, 10 JULY 1953 7/10/1953 1 47270 FOLDER 280 A58559 41754729079388 USCIB INSTRUCTIONS FOR THE PROTECTION OF COMINT CODEWORDS; USCIB DIRECTIVE #6 4/18/1952 2 47270 FOLDER 323 A58560 41721329076059 FINAL REPORT AND PAPERS OF THE U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF THE NATO COUNTRIES (USCIB 23/65); AGENDA ITEM FOR USCIB'S 88TH MEETING,7/10/1953 10 JULY 1953 5 47270 FOLDER 280 A58563 41754749079390 INSTRUCTIONS FOR REGULATING PRIVATE FOREIGN TRAVEL BY PERSONS HAVING KNOWLEDGE OF CRITICAL COMINT 1/1/1954 3 47270 FOLDER 385 A58564 41764539080366 DIGEST OF STAFF CONFERENCE, 12 JANUARY 1954; NOTES FROM CONFERENCE 1/13/1954 2 47270 FOLDER 400 A58567 41722009076127 MEMO ROUTING SLIP - INSECURITY OF COMMUNICATIONS 3/5/1952 2 47270 FOLDER 385 A58568 41764549080367 DIGEST OF STAFF CONFERENCE, 5 JANUARY 1954; NOTES FROM CONFERENCE, /S/ M. W. GREENE 1/11/1954 4 47270 FOLDER 385 A58571 41764559080368 DIGEST OF STAFF CONFERENCE, 10 NOVEMBER 1953 11/12/1953 3 47270 FOLDER 385 A58572 41764569080369 DIGEST OF STAFF CONFERENCE, 3 NOVEMBER 1953 11/4/1953 5 47270 FOLDER 323 A58573 41721349076061 FINAL REPORT AND PAPERS OF THE U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF THE NATO COUNTRIES (USCIB 23/65); 88TH MEETING OF USCIB, 10 JULY 1953 7/10/1953 5 47270 FOLDER 382 A58575 41764579080370 PRICE OF SURVIVAL, 45 U. S. AIRMEN HAVE DIED IN "INCIDENTS" WITH SOVIET PLANES SINCE APRIL 1950 BY HANSON W. BALDWIN, COPIED FROM NEW YORK TIMES; NEWSPAPER ARTICLE,9/14/1954 NEW YORK TIMES 144 SEP 1954 47270 FOLDER 400 A58576 41722039076130 INTRA-AFSA MEMO FROM 02 TO OOT 3/2/1952 1 47270 FOLDER 382 A58578 41764589080371 JOB DESCRIPTION SPECIALTY, INTELLIGENCE COMMUNICATIONS OFFICER, AFSC 2034; DUTIES AND RESPONSIBILITIES 1/1/1952 2 47270 FOLDER 382 A58579 41764599080372 DRAFT STATEMENT BY THE USCIB COORDINATOR ON USCIB 13/195 (MEASURES FOR THE INCREASED SECURITY OF COMINT) 1/1/1951 3 47270 FOLDER 381 A58581 41764609080373 REPORT OF COMMUNICATIONS SECURITY VIOLATIONS; QUARTER VIOLATIONS REPORT (OCTOBER THRU DECEMBER 1954) 3/14/1955 11 47270 FOLDER 323 A58584 41721369076063 MEMORANDUM FOR THE MEMBERS OF USCIB: SUBJECT: FINAL REPORT AND PAPERS OF THE U.K.-U.S. CONFERENCE ON COMMUNICATIONS SECURITY OF NATO COUNTRIES; USCIBEC 7/9/1953CONSIDERATION OF SUBJECT1 PAPERS 47270 FOLDER 380 A58588 41764619080374 REQUESTS FOR NAVIGATIONAL AID INFORMATION; COMMENT NO. 1, 2, AND 3 5/18/1953 3 47270 FOLDER 323 A58589 41721389076065 MEMORANDUM FOR THE MEMBERS OF USCIB: SUBJECT: ALLIED (NATO) COMMUNICATIONS SECURITY; FROM CHAIRMAN OF COMINT BOARD 7/3/1953 4 47270 FOLDER 400 A58590 41722079076134 REQUEST FOR TECHNICAL EVALUATING, CODING AND DECODING MACHINES 2/20/1952 2 47270 FOLDER 400 A58599 41722099076136 THE PROBLEM OF COMMUNICATIONS SECURITY 1/7/1952 4 47270 FOLDER 399 A58601 41722139076140 PART-TIME CONSULTANTS AND PART-TIME EMPLOYEES; MEMO FROM FRIEDMAN RE MEMO FROM GOVERNMENT PATENTS BOARD 4/2/1953 1 47270 FOLDER 323 A58605 41721409076067 ALLIED (NATO) COMMUNICATIONS SECURITY 6/22/1953 1 47270 FOLDER 399 A58609 41726069076534 COMMENTS ON DEVELOPMENT OF LANGUAGE TRANSLATING EQUIPMENT; INTRA-AFSA MEMO 3/7/1951 1 47270 FOLDER 323 A58611 41721419076068 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: FINAL REPORT AND PAPERS OF THE U.K.-U.S. CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES 6/30/1953 24 47270 FOLDER 399 A58613 41726139076540 STUDY ENTITLED "PROPOSALS FOR THE MECHANICAL RESOLUTION OF GERMAN SYNTAX PATTERNS"; INTRA-AFSA MEMO FROM FRIEDMAN 3/6/1951 1 47270 FOLDER 399 A58615 41726149076541 LETTER FROM FRIEDMAN RE "PROPOSALS FOR THE MECHANICAL RESOLUTION OF GERMAN SYNTAX PATTERNS" 3/6/1951 1 47270 FOLDER 323 A58616 41721439076070 UK-US CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES; MINUTES OF FIFTH AND FINAL MEETING OF THE CONFERENCE HELD AT 1500, 12 JUNE 1953 6/12/1953 2 47270 FOLDER 399 A58619 41726199076545 MEMO ROUTING SLIP FROM FRIEDMAN RE MECHANICAL RESOLUTION 2/12/1951 1 47270 FOLDER 323 A58621 41721459076072 UK-US CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES; MINUTES OF THE FOURTH MEETING OF THE CONFERENCE HELD AT 1130, 11 JUNE 1953 6/11/1953 2 47270 FOLDER 399 A58622 41726249076549 LETTER FROM FRIEDMAN RE LANGUAGE TRANSLATION STUDY 2/13/1951 1 47270 FOLDER 323 A58624 41721469076073 UK-US CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES; MINUTES OF THE THIRD MEETING OF THE CONFERENCE HELD AT 0920, 10 JUNE 1953 6/10/1953 2

UNCLASSIFIED 63 UNCLASSIFIED

47270 FOLDER 323 A58627 41721479076074 UK-US CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES; MINUTES OF THE SECOND MEETING OF THE CONFERENCE HELD AT 1530, 9 JUNE 1953 6/9/1953 2 47270 FOLDER 399 A58628 41726289076553 FRIEDMAN LETTER RE RAPID METHODS OF DOCUMENT TRANSMISSION 2/12/1951 1 47270 FOLDER 323 A58630 41721499076076 UK-US CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES; MINUTES OF THE FIRST MEETING OF THE CONFERENCE HELD AT 1100 HOURS, 5 JUNE 1953 6/5/1953 2 47270 FOLDER 399 A58632 41726329076558 LETTER TO FRIEDMAN RE STUDY OF LANGUAGE TRANSLATION BY MACHINE 2/5/1951 1 47270 FOLDER 399 A58638 41726369076562 PRESS RELEASE FROM NATIONAL PATENT COUNCIL; STATEMENT BY NATIONAL PATENT COUNCIL 1/4/1951 4 47270 FOLDER 399 A58640 41726389076564 PERSONAL NOTE - ADDRESS AND TELEPHONE NUMBER 1/1/1951 1 47270 FOLDER 399 A58646 41726439076568 INVENTION OF GOLF SCORING DEVICE; MEMO TO FRIEDMAN RE LACK OF ASA INTEREST IN DEVICE 7/14/1949 1 47270 FOLDER 399 A58650 41726469076572 INVENTION OF GOLF SCORING DEVICE; FRIEDMAN'S MEMO RE LICENSING OF NEW DEVICE 6/13/1949 4 47270 FOLDER 399 A58655 41726509076574 FRIEDMAN MEMO FOR THE RECORD RE STEPPING OF CRYPTOGRAPHIC ROTORS 6/29/1951 3 47270 FOLDER 398 A58658 41726539076578 DOCUMENT COVER - PATENT APPLICATION NO. 701,404, FILED 7 DEC 1933 12/7/1933 2 47270 FOLDER 323 A58682 41721519076078 UK-US CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES; MINUTES OF THE PLENARY SESSION HELD AT 1000 HOURS, 5 JUNE 1953 6/5/1953 4 47270 FOLDER 323 A58683 41721539076080 ALLIED (NATO) COMMUNICATIONS SECURITY (USCIB 23/55); USCIB'S 86TH SPECIAL MEETING, 28 MAY 1953 5/28/1953 30 47270 FOLDER 323 A58684 41721559076082 ALLIED (NATO) COMMUNICATIONS SECURITY (USCIB 23/55) 5/28/1953 15 47270 FOLDER 323 A58685 41721579076084 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: ALLIED (NATO) COMMUNICATIONS SECURITY 6/5/1953 1 47270 FOLDER 398 A58686 41726559076580 APPLICATIONS FOR PATENT OF ALBERT W. SMALL; INTRA-AGENCY COMMENTS 7/9/1956 1 47270 FOLDER 323 A58688 41721599076086 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: ALLIED (NATO) COMMUNICATIONS SECURITY 6/4/1953 1 47270 FOLDER 398 A58689 41726579076583 APPLICATION FOR PATENT OF ALBERT W. SMALL - NSA POSITION 4/13/1956 2 47270 FOLDER 323 A58690 41721629076089 ALLIED (NATO) COMMUNICATIONS SECURITY 6/3/1953 2 47270 FOLDER 398 A58692 41726609076585 HISTORY OF HAGELIN PATENT RIGHTS 9/26/1942 1 47270 FOLDER 323 A58693 41721649076091 ALLIED (NATO) COMMUNICATIONS SECURITY 6/3/1953 1 47270 FOLDER 323 A58694 41721679076094 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: REPORT OF AD HOC COMMITTEE ON ALLIED (NATO) COMMUNICATIONS SECURITY 5/29/1953 7 47270 FOLDER 398 A58702 41726629076588 HAGELIN GRANTS LICENSE TO UNITED STATES TO MANUFACTURE UNDER PATENTS FOR CIPHERING DEVICE SERIAL NO. 286,286 3/20/1943 2 47270 FOLDER 398 A58704 41726639076589 UNITED STATES PATENT 2,247,170 CIPHERING MACHINE; HAGELIN'S MACHINE 6/24/1941 18 47270 FOLDER 398 A58711 41726669076592 HAGELIN'S DESCRIPTION, WITH DRAWINGS, OF HIS CIPHERING MACHINE 1/1/1941 23 47270 FOLDER 398 A58715 41726679076593 HAGELIN'S DESCRIPTION OF A NEW KEYING DEVICE FOR CRYPTOGRAPHIC MACHINES 1/1/1947 40 47270 FOLDER 398 A58719 41726689076594 UNITED STATES PATENT 2,089,603 CIPHERING MACHINE; FOR HAGELIN'S MACHINE 8/10/1937 9 47270 FOLDER 398 A58724 41726719076597 HAGELIN'S DESCRIPTION OF CIPHERING MACHINE 12/7/1933 18 47270 FOLDER 398 A58730 41726749076600 HAGELIN'S DESCRIPTION AND DRAWINGS OF HIS CIPHER MACHINE FOR PATENT APPLICATION 1/1/1933 10 47270 FOLDER 397 A58738 41726789076605 RECONSTRUCTION OF ALL MACHINE VARIABLES FROM TWO MESSAGES, 1000 CHARACTERS IN LENGTH ON TELECRYPTO WITH ONE CYLINDER OFFSET BETWEEN THE MESSAGES; AFSA-412B2-1550.211/6/1951 18 47270 FOLDER 397 A58750 41726839076609 INTRA-AFSA MEMO ON LOW ECHELON CIPHER MACHINE 9/11/1951 1 47270 FOLDER 397 A58755 41726879076613 COMSEC CHIEF'S MEMO ON LOW ECHELON CIPHER MACHINE 8/11/1951 2 47270 FOLDER 397 A58758 41726909076616 CRYPTANALYTIC SURVEY; FROM AFSA-343 8/31/1951 9 47270 FOLDER 397 A58768 41726969076622 FORWARDING MEMO FOR BRUSA 6/6/1951 1 47270 FOLDER 397 A58782 41727009076626 ANALYSIS ON EXPERIMENTAL MODEL DEVICE 7/24/1951 1 47270 FOLDER 397 A58785 41727069076632 FRENCH MODIFICATION OF THE M209B CONVERTER 6/19/1951 6 47270 FOLDER 397 A58792 42030869106968 PERSONAL LETTER - CHANGEABLE ALPHABET WHEELS RELATING TO THE HAGELIN MACHINE 6/19/1951 1 47270 FOLDER 011 A58797 41697729073706 CORRESPONDENCE ON CANCELLATION OF PROJECT 13903; CANCELLATION OF "SIGNAL SECURITY AGENCY ACTIVITIES" FILM 1/2/1946 2 47270 FOLDER 397 A58805 41727379076664 FRENCH APPLICATIONS AND PATENTS FOR CIPHER MACHINES; FROM SUSLO LONDON TO USCIB COORDINATOR 6/18/1951 1 47270 FOLDER 011 A58808 41697739073707 MR. FRIEDMAN'S OFFICE REMINDERS, OCT-NOV 1945; PRESENTATION OF AWARD; MEETING REQUEST 11/20/1945 5 47270 FOLDER 397 A58813 41727529076678 TELECRYPTO AND CRYPTEX MODEL CI 6/15/1951 5 47270 FOLDER 397 A58818 41727619076686 FRENCH MODIFICATION OF M-209-B HAGELIN; MSG FROM USCIB COORDINATOR TO SUSLO, LONDON 6/8/1951 1 47270 FOLDER 011 A58819 41697749073708 REPORT OF LABORATORY BRANCH FOR PERIOD 16 SEPTEMBER TO 30 SEPTEMBER 1945; HIRING OF CIVILIANS AND EQUIPMENT INVENTORY 9/30/1945 2 47270 FOLDER 397 A58822 41727679076693 MEMORANDUM FOR THE DIRECTOR, CENTRAL INTELLIGENCE; COVER MEMO FROM DIRAFSA TO DIR CIA 6/8/1951 1 47270 FOLDER 011 A58826 41697759073709 DESCRIPTION OF FUNCTIONS IN TRAFFIC ANALYSIS RESEARCH OFFICE; ANALYSIS OF DISCRIMINANTS AND CALL SIGNS; STATION PERFORMANCE AND CONTROL; NET RECONSTRUCTION1/1/1945 AND INTELLIGENCE 23 47270 FOLDER 397 A58828 41727709076697 REPORT ON VISIT TO FRENCH "SECTION DU CHIFFRE" 5/28/1951 10 47270 FOLDER 011 A58831 41697779073711 STATUS OF PICTURES; LIST OF PICTURE TITLES 1/1/1945 4 47270 FOLDER 397 A58833 41727749076702 PROPOSED MODIFICATIONS TO THE HAGELIN MACHINE 10/5/1951 4 47270 FOLDER 011 A58834 41697789073712 STAFF PHOTOGRAPHS; RELEASE OF NEGATIVES TO MAKE PHOTOGRAPHIC PRINTS 9/19/1945 1 47270 FOLDER 011 A58842 41697799073713 REQUEST FOR PHOTOGRAPHS, SEP 1945; LIST OF REQUESTED PHOTOGRAPHS TO BE TAKEN IN COMMUNICATIONS SECURITY BRANCH 9/12/1945 1 47270 FOLDER 195 A58846 41716829075614 REPORT ON VISIT TO GCHQ, SEPTEMBER 9 - 11,1954; PROF. WILKS' TRIP REPORT 12/18/1954 7

UNCLASSIFIED 64 UNCLASSIFIED

47270 FOLDER 011 A58847 41697809073714 PICTURES FOR BRANCH HISTORY, SEP 1945; LIST OF PROPOSED PHOTOGRAPHS TO BE TAKEN WITHIN THE MILITARY CRYPTANALYTIC BRANCH 9/11/1945 4 47270 FOLDER 011 A58849 41697819073715 LIST OF PICTURES REQUESTED FOR THE HISTORY OF SSA IN PROTECTIVE SECURITY BRANCH; PICTURES IN TRAFFIC ANALYSIS AND TRAFFIC CONTROL SECTIONS 9/6/1945 1 47270 FOLDER 323 A58853 41721709076097 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: UK/US CONFERENCE ON ALLIED (NATO) COMMUNICATIONS SECURITY 5/27/1953 1 47270 FOLDER 011 A58854 41697829073716 PHOTOGRAPHS OF TRAINING ACTIVITIES, SEP 1945; LIST OF RECOMMENDED PHOTOGRAPHS TO BE TAKEN FOR THE PHOTOGRAPHIC HISTORY OF SSA 9/6/1945 1 47270 FOLDER 195 A58855 41716869075616 PROFESSOR WILKS' TRIP REPORT 2/4/1955 1 47270 FOLDER 323 A58858 41721729076099 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: ALLIED (NATO) COMMUNICATIONS SECURITY 5/27/1953 1 47270 FOLDER 195 A58860 41716899075620 PROFESSOR WILKS TRIP REPORT 1/21/1955 2 47270 FOLDER 397 A58863 41727799076705 C11, COVER LETTER FOR DRAWINGS OF THE TELECRYPTO DEVICE SENT TO MR. WILLIAM FRIEDMAN 5/21/1951 2 47270 FOLDER 397 A58868 41727859076711 MEMO ROUTING SLIP FROM FRIEDMAN COMMENTING ON RELATIVE SECURITY OF TELECRYPTO DEVICE 9/24/1951 2 47270 FOLDER 397 A58870 41730379076962 SECURITY OF TELECRYPTO; PARTIAL TEXT (PAGE TWO) OF INTRA-AFSA MEMO 11/8/1951 1 47270 FOLDER 397 A58872 41727919076717 SECURITY REGARDING THE TELECRYPTO DEVICE; PARTIAL TEXT (PAGE ONE) OF INTRA-AFSA MEMO 11/8/1951 1 47270 FOLDER 195 A58879 41716929075623 PROFESSOR WILKS TRIP REPORT 1/11/1955 3 47270 FOLDER 323 A58880 41721749076101 U.K./U.S. CONFERENCE ON THE SECURITY OF DIPLOMATIC CIPHERS EMPLOYED BY NATO COUNTRIES; L.S.I.B. MEMO THIS SUBJECT 5/26/1953 2 47270 FOLDER 011 A58882 41697839073717 PHOTOGRAPHS - BASIC ANALYSIS 8/21/1945 2 47270 FOLDER 397 A58884 42030839106965 CRYPTANALYTIC SURVEY OF NEW HAGELIN TELETYPE SCRAMBLER 9/7/1951 9 47270 FOLDER 011 A58889 41697849073718 REPORT OF LABORATORY BRANCH FOR PERIOD 1 AUGUST TO 15 AUGUST 1945; FILM DEVELOPMENT, CIFAX WORK, STUDY ON METHODS OF MODERNIZATION OF MICROFILMING TECHNIQUES,8/15/1945 ASSEMBLY AND2 LOCATION OF GERMAN SECRET INK TESTING MACHINE 47270 FOLDER 195 A58892 41717139075643 REPORT ON VISIT TO GCHQ, SEPTEMBER 9 - 11, 1954; PROFESSOR WILKS TRIP REPORT 12/18/1954 9 47270 FOLDER 011 A58893 41697859073719 HISTORIC PICTURES, AUG 1945; LIST OF PICTURES TO BE TAKEN TO PROVIDE ILLUSTRATIONS FOR THE HISTORY OF THE COMMUNICATIONS BRANCH 8/13/1945 2 47270 FOLDER 195 A58894 41717169075646 PROFESSOR WILKS TRIP REPORT 1/21/1955 2 47270 FOLDER 323 A58896 41721759076102 ALLIED COMMUNICATIONS SECURITY - 85TH MEETING OF USCIB 5/8/1953 4 47270 FOLDER 323 A58899 41721779076104 BRUSA CONFERENCE ON FRENCH SECURITY 5/18/1953 2 47270 FOLDER 323 A58902 41721819076108 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: REPORT OF THE AD HOC COMMITTEE ON ALLIED COMMUNICATIONS SECURITY 5/5/1953 21 47270 FOLDER 323 A58906 41721839076110 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: PROPOSED U.K./U.S. CONFERENCE ON THE SECURITY OF DIPLOMATIC CIPHERS EMPLOYED BY FRANCE AND OTHER NATO COUNTRIES4/22/1953 6 47270 FOLDER 323 A58908 41721859076112 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: FRENCH COMMUNICATION SECURITY 12/27/1951 5 47270 FOLDER 322 A58911 41721949076121 CAPTURE OF ENEMY CRYPTOLOGIC MATERIAL (NATO ASPECT); MEMORANDUM FOR THE MEMBERS OF USCIB 9/29/1954 16 47270 FOLDER 011 A58931 41697869073720 SUGGESTED PHOTOGRAPHS, INFORMATION AND LIAISON BRANCH, AUG 1945 8/13/1945 1 47270 FOLDER 011 A58934 41697879073721 PHOTOGRAPHS FOR HISTORICAL FILE, AUG 1945; LIST OF UNITS IN THE LANGUAGE BRANCH SUBMITTED FOR CONSIDERATION WITH RESPECT TO TAKING PHOTOGRAPHS FOR HISTORICAL8/10/1945 FILES 1 47270 FOLDER 011 A58936 41697889073722 PICTORIAL REVIEW, P&T DIVISION; LIST OF 4 PHOTOGRAPHS 1/1/1945 1 47270 FOLDER 011 A58938 41697909073724 LISTS OF POTENTIAL PHOTOGRAPHS, PROB CIRCA 1945 1/1/1945 4 47270 FOLDER 321 A58941 41721979076124 PRINCIPLES FOR USE IN INTERCEPT AND JAMMING OPERATIONS (USCIB 20./13) 5/14/1954 12 47270 FOLDER 195 A58945 41717189075649 REPORT ON VISIT TO GCHQ, SEPTEMBER 9-11, 1954; PROFESSOR WILKS TRIP REPORT 1/3/1955 6 47270 FOLDER 011 A58946 41697919073725 PHOTOGRAPHIC PROJECT, SIGNAL INTELLIGENCE INSTALLATIONS AND ACTIVITIES, IBT, FOR HISTORICAL PURPOSES, MAR 1945; REQUEST FOR AND REJECTION OF PHOTOGRAPHIC PROJECT3/16/1945 8 47270 FOLDER 320 A58947 41722019076128 RELOCATION OF SIGINT UNITS NOW, 20 JUL 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 7/20/1955 9 47270 FOLDER 195 A58948 41717209075650 PROFESSOR WILKS TRIP REPORT 1/11/1955 5 47270 FOLDER 397 A58949 41728009076726 MEMO RE NEW DEVELOPMENTS IN CIPHERING DEVICES, BY BORIS HAGELIN, ZUG.; AN AUXILIARY CIPHERING MACHINE - CRYPTIC MOD. CI 8/5/1950 1 47270 FOLDER 320 A58952 41722069076133 PROPOSAL, 21 JUN 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 6/21/1955 6 47270 FOLDER 195 A58953 41717249075654 PROFESSOR WILKS TRIP REPORT 10/26/1954 1 47270 FOLDER 319 A58955 41722119076138 SECURITY HANDLING OF MALAYAN COMMUNIST PARTY (MCP) MATERIAL; MEMORANDUM FOR THE MEMBERS OF USCIB 8/12/1954 1 47270 FOLDER 397 A58956 41728059076731 PERSONAL LETTER TO FRIEDMAN FROM HAGELIN - NEW CIPHERING DEVICES (CRYPTEX AND A MECHANICAL MACHINE TO SUPERSEDE THE M-209) 8/9/1950 1 47270 FOLDER 319 A58957 41722229076149 EXPLOITATION OF MATERIAL; MEMORANDUM FOR THE MEMBERS OF USCIB 7/6/1954 3 47270 FOLDER 397 A58958 41728109076736 TELECRYPTO APPARATUS TYPE TKG 5/14; DOCUMENTATION GIVEN TO FRIEDMAN ON 20 NOVEMBER 1949 10/17/1949 10 47270 FOLDER 011 A58961 41697929073726 REQUEST AND REJECTION OF MOTION PICTURE OF SIGNAL SECURITY AGENCY ACTIVITIES FOR HISTORICAL PURPOSES; REQUEST THAT A MOTION PICTURE BE PRODUCED BY THE ARMY11/17/1944 PICTORIAL SERVICE 8 47270 FOLDER 011 A58966 41697939073727 CRYPTOGRAPHIC CLEARANCE FOR CARL ALLENSWORTH, 1ST LT., ASN 01640177; LETTER AND COPY OF LOYALTY CHECKSHEET 5/9/1945 4 47270 FOLDER 319 A58968 41722329076159 ADDITIONAL NOTATION TO USCIB 14.11/6 AND USCIB 14.11/5; MEMORANDUM FOR THE MEMBERS OF USCIB 5/11/1954 1 47270 FOLDER 011 A58970 41697949073728 PHOTOGRAPHIC PROJECT, SIGNAL INTELLIGENCE INSTALLATIONS AND ACTIVITIES, SWPA, FOR HISTORICAL PURPOSES, MAR 1945; REQUEST TO MAKE MOTION AND STILL PICTURES OF3/16/1945 LOCAL INSTALLATIONS AND5 ACTIVITIES OF THE SIGNAL SECURITY AGENCY 47270 FOLDER 319 A58971 41722349076161 EXPLOITATION OF MATERIALS WITHIN SPECIAL INTEREST; MEMORANDUM FOR THE MEMBERS OF USCIB 5/10/1954 2 47270 FOLDER 396 A58973 41728189076747 ADDENDUM NO. 161 OF JOINT PUBLICATIONS RECEIVED BY THE ADJUTANT GENERAL 5/19/1953 87 47270 FOLDER 319 A58974 41722369076163 SECURITY OF HANDLING OF MALAYAN COMMUNIST PARTY (MCP) MATERIAL; MEMORANDUM FOR THE MEMBERS OF USCIB 5/7/1954 1 47270 FOLDER 319 A58976 41722389076165 SECURITY OF HANDLING MALAYAN COMMUNIST PARTY MATERIAL 5/4/1954 1 47270 FOLDER 319 A58982 41722419076168 SECURITY HANDLING OF MALAYAN COMMUNIST PARTY (MCB) MATERIAL (USCIB 14.11/4); MEMORANDUM FOR THE MEMBERS OF USCIB 4/28/1954 3

UNCLASSIFIED 65 UNCLASSIFIED

47270 FOLDER 011 A58984 41697959073729 PHOTOGRAPHIC PROJECT , SIGNAL INTELLIGENCE INSTALLATIONS AND ACTIVITIES, MTO AND IBT, FOR HISTORICAL PURPOSES; REQUEST FOR MOTION AND STILL PICTURES OF LOCAL 3/16/1945INSTALLATIONS AND ACTIVITIES11 OF THE SIGNAL SECURITY AGENCY 47270 FOLDER 195 A58987 41717279075658 TEST OF CRYPT ABILITY 11/2/1954 16 47270 FOLDER 011 A58996 41697969073730 PHOTOGRAPHIC PROJECT, SIGNAL INTELLIGENCE INSTALLATIONS AND ACTIVITIES, ETO, FOR HISTORICAL PURPOSES; REQUEST FOR PLANS 2/15/1945 8 47270 FOLDER 319 A59001 41722439076170 EXPLOITATION OF MATERIALS WITHIN SPECIAL INTEREST; MEMORANDUM FOR THE MEMBERS OF USCIB 4/26/1954 2 47270 FOLDER 396 A59003 41728269076752 ADDENDUM NO. 118 OF JOINT PUBLICATIONS ON FILE IN THE ADJUTANT GENERAL'S OFF ADDENDUM NO. 118 OF JOINT PUBLICATIONS ON FILE IN THE ADJUTANT GENERAL'S OFFICE4/26/1952 10 47270 FOLDER 195 A59004 41717329075662 PROFESSOR WILKS TDY REPORT 1/4/1955 3 47270 FOLDER 011 A59005 41697989073731 MOTION PICTURE OF SIGNAL SECURITY AGENCY ACTIVITIES FOR HISTORICAL PURPOSES; REQUEST THAT MOTION PICTURE BE PRODUCED BY THE ARMY PICTORIAL SERVICE 11/17/1944 4 47270 FOLDER 319 A59008 41722489076175 SECURITY HANDLING OF MALAYAN COMMUNIST PARTY (MCP) MATERIAL (USCIB 14.11/2); MEMORANDUM FOR THE MEMBERS OF USCIB 4/23/1954 3 47270 FOLDER 195 A59009 41717339075663 REPORT ON VISIT TO GCHQ, SEPTEMBER 9 --11, 1954; PROFESSOR WILKS TDY REPORT 12/18/1954 25 47270 FOLDER 319 A59011 41722509076177 COMINT TRAFFIC; MEMORANDUM FOR THE MEMBERS OF USCIB 4/14/1954 2 47270 FOLDER 319 A59014 41722559076182 EXPLOITATION OF MATERIALS WITHIN SPECIAL INTEREST (USCIB 14.11/1); MEMORANDUM FOR THE MEMBERS OF USCIB 4/16/1954 1 47270 FOLDER 011 A59015 41697999073732 CORRESPONDENCE REGARDING PROPOSED TECHNICAL AND TRAINING FILMS ON SIGNAL INTELLIGENCE AND RADIO INTELLIGENCE INSTALLATIONS 2/1/1945 9 47270 FOLDER 194 A59018 41718449075776 AIR INTELLIGENCE ESTIMATE 10/31/1952 93 47270 FOLDER 396 A59019 41728309076757 ADDENDUM NO. 113 OF JOINT PUBLICATIONS ON FILE IN THE ADJUTANT GENERAL'S OFFICE 3/24/1952 50 47270 FOLDER 318 A59021 41722599076186 LSIB MEMBERSHIP LIST; MEMORANDUM FOR THE HOLDERS OF USCIB 10/29/1954 5 47270 FOLDER 318 A59023 41722649076190 LSIB ORGANIZATION; MEMORANDUM FOR THE MEMBERS OF USCIB 6/24/1955 1 47270 FOLDER 011 A59024 41697419073675 MEMORANDUM FOR CAPTAIN ROBERT F. PURINTON, REFERENCE TO PHOTOGRAPHS INCLUDED WITH THIS CORRESPONDENCE 1/18/1945 1 47270 FOLDER 318 A59026 41723029076229 REORGANIZATION OF GCHQ; MEMORANDUM FOR THE MEMBERS OF USCIB 8/25/1954 1 47270 FOLDER 396 A59028 41728379076763 ADDENDUM NO. 89 OF JOINT PUBLICATIONS ON FILE IN THE AFSA SECRETARIAT 10/8/1951 17 47270 FOLDER 318 A59029 41723059076232 SALE OF ELECTRONIC EQUIPMENT TO SOVIET BLOC; MEMORANDUM FOR THE MEMBERS OF USCIB 5/10/1954 1 47270 FOLDER 193 A59034 41718519075781 GEE, NARRATIVE ACCOUNT OF A BROKEN ONE-TIME PAD SYSTEM 7/14/1954 3 47270 FOLDER 193 A59039 41718579075787 CRYPTANALYSIS TRAINING AID 1/1/1954 39 47270 FOLDER 395 A59040 41728419076767 REPORT ON CRYPTOGRAPHIC DEVICE; ATHENEUM FILE 12/11/1952 7 47270 FOLDER 317 A59044 41723099076236 VISITS TO U.K.; MEMORANDUM FOR THE MEMBERS OF USCIB 4/29/1955 1 47270 FOLDER 395 A59045 41728479076773 MEMORANDUM REGARDING ATTACHED LETTERS 11/12/1952 4 47270 FOLDER 317 A59047 41723119076238 VISITS TO GCHQ (USCIB 14.6/3); MEMORANDUM FOR THE MEMBERS OF USCIB 10/8/1954 1 47270 FOLDER 011 A59048 41698009073733 MOTION PICTURE PROJECT 3809 AND FILM STRIP PROJECT B-43-5 ON SIGNAL SECURITY AGENCY ACTIVITIES FOR HISTORICAL PURPOSES, NOV 1944; EXPLANATION OF PHOTOGRAPHIC11/17/1944 HISTORICAL COVERAGE 3 47270 FOLDER 317 A59051 41723159076242 VISITS TO GCHQ (USCIB 14.6/2); MEMORANDUM FOR THE MEMBERS OF USCIB 9/28/1954 2 47270 FOLDER 317 A59054 41723189076245 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: VISITS TO GCHQ 6/23/1954 1 47270 FOLDER 010 A59056 41698019073735 POLITICAL ACTIVITY OF FEDERAL OFFICERS AND EMPLOYEES; GENERAL PROHIBITIONS AND EXCEPTIONS; PROHIBITED ACTIVITIES; CRIMINAL LAW VIOLATIONS 7/1/1951 32 47270 FOLDER 395 A59059 42030789106960 CASE DEVELOPMENTS; COPIES OF RELATED CORRESPONDENCE 9/18/1952 7 47270 FOLDER 316 A59062 41723209076247 EXTENSION OF EXISTING ARRANGEMENTS; MEMORANDUM FOR THE MEMBERS OF USCIB 7/16/1954 1 47270 FOLDER 010 A59064 41698029073736 EFFICIENCY, FITNESS AND EFFECTIVENESS REPORTS; EXPLANATION OF FORMS TO BE USED FOR EVALUATION OF MILITARY PERSONNEL ASSIGNED WITH THE OFFICE OF SECRETARY OF9/28/1953 DEFENSE 1 47270 FOLDER 395 A59065 42030759106957 KEY GENERATOR; INTRA-AFSA MEMO ON RECENT DEVELOPMENTS RELATING TO ACQUIRING A KEY GENERATOR 9/29/1952 4 47270 FOLDER 316 A59068 41723229076249 MEMORANDUM FOR EXECUTIVE SECRETARY, USCIB; SUBJECT: EXTENSION OF EXISTING ARRANGEMENTS FOR DISSEMINATING 7/14/1954 1 47270 FOLDER 315 A59072 41723249076251 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: CHANGE IN TITLE OF SLO, WASHINGTON 4/28/1954 1 47270 FOLDER 395 A59073 42030679106949 THE CRYPTO DEVICE; AFSA MSG RE CLAIMS 6/25/1949 2 47270 FOLDER 010 A59075 41698049073738 INSTRUCTIONS FOR PREPARATION OF RECOMMENDATION LETTERS; LETTER FROM PERSONNEL OFFICER, BOLLING AIR FORCE BASE, TO RATING OFFICERS 1/1/1953 2 47270 FOLDER 314 A59076 41723279076254 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: SUSLO, LONDON 7/1/1955 1 47270 FOLDER 395 A59077 41728699076795 MEMO ROUTING SLIP FROM FRIEDMAN TO CANINE 6/2/1952 1 47270 FOLDER 395 A59080 41728909076816 MEMO ROUTING SLIP FROM FRIEDMAN TO CIA 6/2/1952 1 47270 FOLDER 314 A59081 41723329076259 MEMORANDUM FOR THE MEMBERS OF THE: U.S. COMMUNICATIONS SECURITY BOARD; U.S. COMMUNICATIONS INTELLIGENCE BOARD 6/24/1955 4 47270 FOLDER 395 A59084 41728949076820 LETTER TO FRIEDMAN RE NEW CRYPTO DEVICE 5/26/1952 3 47270 FOLDER 395 A59086 41728979076823 FRIEDMAN MEMO; COST OF DOING BUSINESS 1/10/1952 1 47270 FOLDER 395 A59089 41729019076827 CONFERENCE REPORT 1/7/1952 4 47270 FOLDER 010 A59090 41698039073737 REQUEST FOR PERSONNEL ACTION, MAR 1953 CHANGE OF ADDRESS AND TELEPHONE NUMBER FOR MR. FRIEDMAN 3/30/1953 1 47270 FOLDER 010 A59095 41768209080730 REQUEST FOR PERSONNEL ACTION, FEB 1953 PROMOTION OF MISS EDYTHE B. YOUNG 2/6/1953 2 47270 FOLDER 395 A59097 41729059076831 CRYPTOGRAPHIC DEVICE; MEMO TO DCI FROM AFSA OPS 5/23/1952 2 47270 FOLDER 192 A59099 41718639075793 MINIMUM STANDARDS FOR THE HANDLING AND TRANSMISSION OF CLASSIFIED INFORMATION 8/6/1951 18 47270 FOLDER 192 A59103 41718659075795 SECURITY OF EQUIPMENT USED FOR STOWAGE OF CLASSIFIED MATERIAL 11/29/1950 3

UNCLASSIFIED 66 UNCLASSIFIED

47270 FOLDER 395 A59108 41729089076834 CRYPTOGRAPHIC DEVICE; MEMO FROM SPECIAL OPERATIONS 6/27/1952 1 47270 FOLDER 192 A59111 41718679075797 SAFE COMBINATIONS AND SAFE SECURITY 12/1/1949 3 47270 FOLDER 010 A59112 41768219080731 COST ACCOUNT CODES FOR COMMAND AND STAFF ORGANIZATIONS; POSITION CLASSIFICATION SURVEYS; PERSONNEL REQUIREMENTS FOR FY 52 9/12/1952 6 47270 FOLDER 395 A59114 41729119076837 CRYPTOGRAPHIC DEVICE; MEMO FROM SPECIAL OPERATIONS TO AFSA 7/2/1952 2 47270 FOLDER 395 A59119 41729159076841 HANDWRITTEN NOTES RE COST 1/1/1952 1 47270 FOLDER 010 A59121 41698059073739 RECRUITMENT EFFORTS AMONG ACA MEMBERS, JUN 1951; FIGURES SENT BY MR. FRIEDMAN TO MR. BRYAN 6/20/1951 1 47270 FOLDER 395 A59123 41729189076844 CRYPTOLOGIC ACTIVITY; AFSA COMSEC MEMO 1/3/1952 2 47270 FOLDER 395 A59127 41729219076847 MEMO ROUTING SLIP 1/1/1952 1 47270 FOLDER 010 A59128 41698079073740 DATA SHEETS FOR AFSA KEY PERSONNEL; CHIEF OF STAFF REQUEST FOR UP TO DATE DATA ON KEY PERSONNEL 9/24/1952 1 47270 FOLDER 395 A59132 41729239076849 CRYPTOLOGIC ACTIVITIES; AFSA MEMO 1/1/1952 1 47270 FOLDER 010 A59133 41698089073741 LETTERS OF CONDOLENCE; INSTRUCTIONS FOR SENDING LETTERS OF CONDOLENCE TO AGENCY EMPLOYEES IN THE EVENT OF DEATH OF AN IMMEDIATE FAMILY MEMBER 9/22/1952 1 47270 FOLDER 395 A59134 41729259076851 WEST GERMAN CRYPTOLOGICAL ACTIVITIES; AFSA MEMO 1/1/1952 1 47270 FOLDER 010 A59136 41698099073742 RIGHTS AND DUTIES OF CIVILIAN EMPLOYEES TO PRESENT COMPLAINTS OR TO REPORT INSTANCES OF WRONGDOING; INSTRUCTIONS FOR SUBMITTING COMPLAINTS 5/13/1952 2 47270 FOLDER 395 A59137 41729279076853 MEMO ROUTING SLIP FROM FRIEDMAN 10/22/1951 2 47270 FOLDER 395 A59139 41729299076855 MEMO ROUTING SLIP 10/12/1951 1 47270 FOLDER 190 A59145 41718699075799 HISTORY OF NCSL 4/1/1955 2 47270 FOLDER 314 A59185 41723379076263 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: REPLACEMENT OF SUSLO, LONDON 1/26/1955 1 47270 FOLDER 313 A59186 41723419076268 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: APPENDIX "P" TO THE UK/USA AGREEMENT 8/2/1955 4 47270 FOLDER 313 A59187 41723499076276 REVISION OF APPENDIX "J" TO THE UKUSA AGREEMENT 6/14/1955 4 47270 FOLDER 313 A59188 41723549076280 MEMORANDUM FOR THE MEMBERS OF USCIBEC; SUBJECT: REVISION OF APPENDIX "J" TO THE UKUSA AGREEMENT 5/18/1955 3 47270 FOLDER 313 A59189 41723589076286 REVISION OF APPENDIX "J" TO THE UKUSA AGREEMENT 4/27/1955 7 47270 FOLDER 313 A59190 41723639076290 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: REVISION OF UKUSA AGREEMENT 4/21/1955 1 47270 FOLDER 313 A59191 41723679076294 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: REVISION OF THE UKUSA AGREEMENT 3/7/1955 5 47270 FOLDER 313 A59192 41723729076298 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: REVISION OF UKUSA APPENDICES (APPENDIX "E") 2/17/1955 1 47270 FOLDER 313 A59193 41723769076303 REVISION OF THE UKUSA AGREEMENT 12/21/1954 2 47270 FOLDER 313 A59194 41723799076306 REVISION OF THE UKUSA AGREEMENT 12/6/1954 4 47270 FOLDER 313 A59195 41723829076309 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: APPROVAL OF USCIB 14.1/28, DATED 27 OCTOBER 1954 11/15/1954 1 47270 FOLDER 313 A59196 41723859076312 REVISION OF THE UKUSA AGREEMENT 10/27/1954 1 47270 FOLDER 313 A59197 41723879076314 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: CLASSIFICATION OF THE TERM SIGINT 10/21/1954 2 47270 FOLDER 313 A59198 41723939076320 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: REVISION OF THE UKUSA AGREEMENT 10/5/1954 3 47270 FOLDER 313 A59199 41723969076322 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: DEFINITION OF TERMS (COMINT AND ELINT) 9/28/1954 2 47270 FOLDER 313 A59200 41723999076325 REVISION OF THE UKUSA AGREEMENT 9/15/1954 1 47270 FOLDER 313 A59201 41724019076328 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: REVISION OF UKUSA AGREEMENT 9/2/1954 3 47270 FOLDER 313 A59202 41724049076331 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: APPROVAL OF USCIB 14.1/9 DATED 29 MARCH 1954 4/9/1954 1 47270 FOLDER 313 A59203 41724069076333 APPENDIX B - PRINCIPLES OF SECURITY AND DISSEMINATION; APPLIES TO COMINT ISSUED UNDER AUTHORITY OF USCIB, CRC, OR OTHER AUTHORITIES 3/27/1953 20 47270 FOLDER 010 A59204 41698109073743 LIMITATIONS ON PERSONNEL ACTIONS - WHITTEN AMENDMENT; SECTION 1310 OF THE FIRST SUPPLEMENTAL APPROPRIATION ACT, 1952 4/9/1952 3 47270 FOLDER 266 A59205 41760829079996 ASA REVIEW - THE WAR IN THE ETHER: CRYPTOSECURITY AT BREST-LITOVSK - TRANSLATED FROM ORIGINAL GERMAN MATERIALS; LETTER OF GREETING FROM NEW ASA COMMANDER;8/1/1951 INSIGHT INTO THE WAY4 THE GERMANS INTERCEPTED THE RUSSIAN TRAFFIC AND RIGGED SECRET RUSSIAN CONF ROOM 47270 FOLDER 312 A59206 41791489083048 MEMORANDUM FOR THE MEMBERS OF USCIBEC; SUBJECT: TRANSMISSION OF COMINT UNENCRYPTED OVER THE TERRITORY OF THIRD PARTIES TO THE UKUSA AGREEMENT 3/31/1955 7 47270 FOLDER 266 A59208 41760839079997 A PCS TRIP TO KOREA, WAR IN THE ETHER, HOUSING AT VINT HILL; ARTICLE FROM ASA REVIEW SUBMITTED BY HEADQUARTERS, 501ST COMM RECON GROUP 6/1/1952 6 47270 FOLDER 312 A59209 41791519083051 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISE OF COMINT INFORMATION (PHYSICAL) 7/26/1955 7 47270 FOLDER 010 A59210 41698119073744 REQUEST FOR NEW BADGE, JAN 1952; MISS EDYTHE YOUNG TRANSFERRED FROM THE OFFICE OF RESEARCH AND DEVELOPMENT TO THE OFFICE OF THE CONSULTANT 1/21/1952 1 47270 FOLDER 312 A59211 41791559083054 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISES OF COMINT INFORMATION 7/15/1955 8 47270 FOLDER 312 A59212 41791579083057 COMPROMISE OF COMINT MATERIAL; MEMORANDUM FOR THE MEMBERS OF USCIB 6/20/1955 2 47270 FOLDER 312 A59214 41791609083060 COMPRISES OF COMINT INFORMATION; MEMORANDUM FOR THE MEMBERS OF USCIB 6/17/1955 9 47270 FOLDER 312 A59217 41791649083063 COMPROMISE OF COMINT INFORMATION; MEMORANDUM FOR THE MEMBERS OF USCIB 5/11/1955 2 47270 FOLDER 266 A59218 41760849079998 THE WAR IN THE ETHER: TANNENBERG: FINALE AND DISCUSSION; ASA REVIEW, PP. 7-9 9/1/1952 4 47270 FOLDER 010 A59221 41698129073746 LOCATOR FILE - AFSA PERSONNEL; CHIEF OF PERSONNEL DIRECTED TO ESTABLISH AN AFSA LOCATOR FILE FOR ALL CIVILIAN AND MILITARY PERSONNEL IN THE AGENCY 1/24/1952 2 47270 FOLDER 312 A59222 41791679083066 POSSIBLE COMPROMISE OF COMINT INFORMATION (USCIB 13.5/103) 4/29/1955 3 47270 FOLDER 010 A59223 41698139073747 ESTABLISHMENT OF AFSA JOB INDEX (AFSA-OOT); THREE AFSA JOB INDEX CARDS FORWARDED FROM AFSA-OOT 1/2/1952 4 47270 FOLDER 010 A59224 41768239080733 LIMITATIONS ON PERSONNEL ACTIONS - WHITTEN AMENDMENT; SECTION 1310 - PROVISIONS WHICH APPLY TO ADMINISTRATION OF AFSA AND ASA CIVILIANS; QUESTIONS AND ANSWERS12/14/1951 CONCERNING THE 4AMENDMENT

UNCLASSIFIED 67 UNCLASSIFIED

47270 FOLDER 010 A59225 41698149073748 REPORTS BASED ON MECHANIZED AFSA CIVILIAN PERSONNEL SERVICE RECORDS; DATA EXTRACTED FROM THE SERVICE RECORDS OF AFSA CIVILIANS AND PLACED ON IBM CARDS 12/13/1951 3 47270 FOLDER 010 A59227 41698159073749 ESTABLISHMENT OF AFSA JOB INDEX AND AFSA JOB CODE; JOB INDEX CARD; INSTRUCTIONS FOR PREPARING JOB INDEX CARDS; AFSA CONVERSION SCALE; CURRENT PERSONNEL ALLOCATION;12/3/1951 JOB INDEX CARD;7 INSTRUCTIONS FOR PREPARING JOB INDEX CARDS; AFSA CONVERSION SCALE; CURRENT PERSONNEL ALLOCATION 47270 FOLDER 010 A59229 41698169073750 LEAVE ADMINISTRATION, DEC 1951; PUBLIC LAW 223: CHANGES TO ANNUAL LEAVE AND SICK LEAVE REGULATIONS FOR CIVILIAN EMPLOYEES 12/11/1951 2 47270 FOLDER 312 A59231 41791809083080 COMPROMISES OF COMINT INFORMATION; MEMORANDUM FOR THE MEMBERS OF USCIB 4/18/1955 10 47270 FOLDER 010 A59232 41698179073751 REQUEST FOR PERSONNEL ACTION - AFSA-OOT APPOINTMENTS; POSITION ESTABLISHMENT AND CANCELLATION 10/10/1951 3 47270 FOLDER 312 A59233 41791849083083 COMPROMISE OF COMINT INFORMATION; MEMORANDUM FOR THE EXECUTIVE SECRETARY, USCIB 4/14/1955 3 47270 FOLDER 266 A59234 41760859079999 ASA REVIEW - THE WAR IN THE ETHER: FIXING THE POSITIONS OF AGENT RADIO STATIONS; COMBATING AGENT TRANSMITTERS BY DIRECTION FINDERS 8/1/1952 3 47270 FOLDER 010 A59236 41698189073752 AFSA ORDER NO. 69-51; APPOINTMENTS, PURSUANT TO AFSA MEMO 20-10 8/13/1951 1 47270 FOLDER 010 A59237 41698209073754 ISSUE OF MONTHLY PROPERTY PASS TO AFSA-OOT 7/27/1951 1 47270 FOLDER 266 A59239 41760879080001 ASAE OFFERS ANALYTIC AIDE, WW1 GERMAN CRYP SUCCESS, KOREA UNIT PHOTOS 7/1/1952 4 47270 FOLDER 010 A59240 41698229073755 JOB DESCRIPTIONS - CIVILIAN EMPLOYEES; INSTRUCTIONS REGARDING THE RETURN AND DISPOSAL OF CLASSIFIED AND UNCLASSIFIED JOB DESCRIPTIONS 7/5/1951 2 47270 FOLDER 266 A59243 41760899080003 ASA REVIEW - THE WAR IN THE ETHER: POLYPS AND PENKALAS 5/1/1952 4 47270 FOLDER 010 A59244 41698239073756 REQUEST FOR PERSONNEL ACTION - APPOINTMENT OF CLERK-STENOGRAPHER TO AFSA-OOT 2/17/1951 2 47270 FOLDER 312 A59245 41791879083086 POSSIBLE COMPROMISE OF COMINT INFORMATION (USCIB 13.5/101) 3/25/1955 1 47270 FOLDER 266 A59246 41760909080004 ASA REVIEW - THE WAR IN THE ETHER THE ROTE KAPELLE CASE: DENOUEMENT AND EXPLOITATION OF SUCCESSES; ROTE KAPELLE WAS A RUSSIAN SPY RING OPERATION AGAINST GERMANY4/1/1952 WITH A NUMBER 5OF AGENTS INCLUDING A GROUP WHO MAINTAINED A VILLA IN BRUSSELS 47270 FOLDER 312 A59247 41791909083089 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: APPROVAL OF USCIB 13.5/98 DATED 14 FEBRUARY 1955 3/2/1955 1 47270 FOLDER 010 A59248 41698249073757 PERSONNEL REQUIREMENTS FOR AFSA-OOT FOR FISCAL YEAR 1952 5/29/1951 2 47270 FOLDER 312 A59249 41791939083092 RELEASE OF COMINT TO THE LEGISLATIVE BRANCH OF THE GOVERNMENT (USCIB 13.5/95) 1/28/1955 1 47270 FOLDER 266 A59250 41760929080006 ASA REVIEW - THE WAR IN THE ETHER: "ROTE KAPELLE" CASE, "RUSSIAN RADIO AGENT - 1942", TRNG IMPROVEMENT SOLUTION; THREE ARTICLES 2/1/1952 8 47270 FOLDER 312 A59252 41791979083096 USCIB POLICY CONCERNING RELEASE OF COMINT TO THE LEGISLATIVE BRANCH OF THE GOVERNMENT 2/14/1955 3 47270 FOLDER 010 A59253 41698269073759 AFSA QUESTIONNAIRE, 1951; RELOCATION QUESTIONNAIRE AND RECORD OF SERVICE FOR MR. FRIEDMAN 5/10/1951 5 47270 FOLDER 312 A59254 41792039083102 COMPROMISE OF COMINT CODEWORD 2/8/1955 3 47270 FOLDER 010 A59256 41698279073760 TEMPORARY ASSIGNMENT OF CAPTAIN LANE; MEMORANDUM FROM MR. FRIEDMAN, THANKING CAPTAIN DYER FOR MAKING CAPTAIN LANE AVAILABLE AS A TEMPORARY SECRETARY4/4/1951 2 47270 FOLDER 010 A59258 41698289073761 REQUEST FOR PERSONNEL ACTION, MAR 1951; CANCELLATION OF APPOINTMENT ACTION PENDING AFSA-OOT-1 3/22/1951 1 47270 FOLDER 312 A59259 41792139083112 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISES OF COMINT INFORMATION 1/24/1955 11 47270 FOLDER 312 A59266 41792189083117 RELEASE OF COMINT TO THE LEGISLATIVE BRANCH OF THE GOVERNMENT 1/21/1955 1 47270 FOLDER 312 A59268 41792239083122 MEMO ROUTING SLIP: MR. FRIEDMAN HAS USCIB 13.5/51, 13.5/54, 13.5/65, 13.5/69, 13.5/71 IN HIS PEARL HARBOR FILE 12/1/1954 1 47270 FOLDER 312 A59270 41792279083126 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISE OF COMINT INFORMATION (USCIB 13.5/94) 12/22/1954 2 47270 FOLDER 312 A59276 41792319083130 MEMORANDUM FOR THE MEMBERS OF USCIBEC; SUBJECT: USCIB POLICY CONCERNING RELEASE OF COMINT TO THE LEGISLATIVE BRANCH OF THE GOVERNMENT 12/16/1954 2 47270 FOLDER 010 A59282 41698299073763 REVISION OF JOB NUMBER AFSA-35; REQUEST THAT STANDARD FORM 52 BE FORWARDED TO AFSA 153 FOR A RE-AUDIT OF THIS POSITION 2/19/1951 1 47270 FOLDER 312 A59284 41792369083135 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: DEVELOPMENTS IN THE PETERSEN CASE 12/6/1954 1 47270 FOLDER 312 A59286 41792439083142 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: DEVELOPMENTS IN THE PETERSEN CASE (USCIB 13.5/91) 12/2/1954 4 47270 FOLDER 010 A59287 41698309073764 SECRETARIES FOR AFSA-OOX AND AFSA-OOT; AFSA-14 DOES NOT CONCUR WITH THIS PROPOSAL 11/9/1950 2 47270 FOLDER 312 A59293 41792479083146 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISE OF COMINT CODEWORD (USCIB 13.5/90) 12/1/1954 2 47270 FOLDER 009 A59294 41698319073765 INVESTIGATION OF WORK DONE BY MR. WILLIAM F. FRIEDMAN, DEC 1945; RECOMMENDATION THAT MR. FRIEDMAN BE AWARDED THE "MEDAL FOR MERIT"; SYNOPSIS OF WORK ACCOMPLISHED12/21/1945 BY MR. FRIEDMAN2 47270 FOLDER 312 A59302 41792519083150 COMPROMISE OF COMINT (PETERSEN) 11/23/1954 6 47270 FOLDER 008 A59309 41698329073766 NSA SPECIAL ASSISTANT ORGANIZATIONAL DIAGRAM 5/13/1953 1 47270 FOLDER 008 A59314 41698339073767 INDEX TO TECHNICAL PAPERS (FILED IN LOWER DRAWER OF MR. FRIEDMAN'S SAFE); NATIONS-CRYPTOGRAPHIC DATA; CRYPTOGRAPHIC SYSTEMS 11/25/1946 5 47270 FOLDER 008 A59319 41698349073768 INDEX TO FILES; FILE NUMBERS AND TITLES 1/10/1952 8 47270 FOLDER 008 A59321 41698359073769 INDEX TO FILE IN MR. FRIEDMAN'S OFFICE, NOV 1946; FILE NUMBERS AND TITLES 11/30/1946 6 47270 FOLDER 008 A59325 41698379073771 FILE LIST USED BY AFSA SECRETARIAT 1/2/1951 7 47270 FOLDER 312 A59328 41792569083155 COMPROMISES OF COMINT INFORMATION (USCIB 13.5/88) 11/8/1954 2 47270 FOLDER 008 A59331 41698389073772 REPORT OF POSITION SURVEY; LETTER REGARDING PROCESSING OF PERSONNEL ACTIONS CHANGING DESIGNATION AND GRADE 6/16/1953 1 47270 FOLDER 265 A59332 41760949080010 WAR SECRETS IN THE ETHER PART III BY WILHELM F FLICKE; ASPECTS OF ESPIONAGE AND THE COUNTERESPIONAGE CONDUCTED ON A SCALE NEVER BEFORE KNOWN 1/1/1953 428 47270 FOLDER 008 A59333 41698399073773 JOB DESCRIPTIONS FOR MR. FRIEDMAN AND MISS YOUNG; JOB CONTROLS 5/13/1953 5 47270 FOLDER 312 A59334 41792649083163 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: PHYSICAL COMPROMISE OF CODEWORD 11/8/1954 2 47270 FOLDER 312 A59337 41791799083078 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISES OF COMINT DUE TO INEFFECTIVE COMMUNICATIONS SECURITY 11/2/1954 1 47270 FOLDER 312 A59338 41791829083081 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISES OF COMINT DUE TO INEFFECTIVE COMMUNICATIONS SECURITY 10/21/1954 9 47270 FOLDER 312 A59339 41791869083085 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: SECURITY REQUIREMENTS FOR TRANSMISSION OF COMINT BY ELECTRICAL MEANS 9/23/1954 1 47270 FOLDER 312 A59340 41791989083097 REPORT OF CORRECTIVE MEASURES FOR CONTROL OF COMINT COMPROMISE DUE TO INEFFECTIVE COMMUNICATIONS SECURITY (USCIB 13.5/81) 9/10/1954 2

UNCLASSIFIED 68 UNCLASSIFIED

47270 FOLDER 312 A59341 41792019083100 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISE OF COMINT INFORMATION DUE TO INEFFECTIVE COMSEC 9/9/1954 5 47270 FOLDER 312 A59342 41792059083104 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: CORRECTIVE MEASURES FOR CONTROL OF COMINT COMPROMISES DUE TO INEFFECTIVE COMMUNICATIONS SECURITY 9/3/1954 17 47270 FOLDER 006 A59347 41698409073774 THREE PHOTOGRAPHS OF MR. FRIEDMAN 1/1/1942 3 47270 FOLDER 006 A59348 41698419073775 PHOTOGRAPH OF BEAUMANOR STATION - BRITISH ARMY INTERCEPT STATION 1/1/1942 1 47270 FOLDER 312 A59349 41792129083111 STATUS REPORT ON ACTION TAKEN BY THE DIRECTOR, NSA, TO IMPROVE COMSEC IN THE COMINT ELEMENTS UNDER HIS OPERATIONAL OR TECHNICAL CONTROL; 106TH USCIB MEETING-9/1/1954 ITEM NO. 4 2 47270 FOLDER 006 A59350 41698439073776 PHOTOGRAPH OF LONDON VISIT 1/1/1942 2 47270 FOLDER 006 A59351 41698449073778 PHOTOGRAPH OF BERKELEY STREET BUILDING IN LONDON; LOCATION OF DIPLOMATIC AND COMMERCIAL SECTIONS, GC & CS 1/1/1942 3 47270 FOLDER 312 A59357 41792159083114 MEMO ROUTING SLIP: 13.5/80 - "POSSIBLE COMPROMISE OF COMINT INFORMATION"; FRIEDMAN REQUEST WITHDRAWAL OF "PENTAGON'S FAVORITE MAGICIANS" FROM LECTURE MATERIAL9/1/1954 1 47270 FOLDER 312 A59361 41792179083116 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: POSSIBLE COMPROMISE OF COMINT INFORMATION (USCIB 13.5/80) 8/24/1954 2 47270 FOLDER 312 A59368 41792219083120 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISE OF COMINT INFORMATION (USCIB 13.5/79) 8/10/1954 3 47270 FOLDER 312 A59375 41792259083124 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISE OF COMINT INFORMATION (USCIB 13.5/78) 7/21/1954 2 47270 FOLDER 312 A59380 41792289083128 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISES OF COMINT INFORMATION (USCIB 13.5/77) 7/6/1954 4 47270 FOLDER 312 A59383 41792329083131 MEMORANDUM FOR THE MEMBERS OF USCIBEC; SUBJECT: SECURITY OF COMINT TRANSMITTED BY ELECTRICAL MEANS 6/29/1954 1 47270 FOLDER 264 A59406 41760999080013 TICOM NOTE 36; RUSSIAN SOURCES OF INFORMATION 8/1/1954 5 47270 FOLDER 312 A59407 41792359083134 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISES OF COMINT INFORMATION (USCIB 13.5/74) 6/29/1954 8 47270 FOLDER 312 A59409 41792399083138 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: CORRECTION TO USCIB 13.5/69 DATED 25 MAY 1954 6/11/1954 1 47270 FOLDER 312 A59414 41792419083140 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: APPROVAL OF USCIB 13.5/62 6/3/1954 1 47270 FOLDER 312 A59418 41792459083144 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISES OF COMINT CODEWORDS OR MATERIAL 5/24/1954 3 47270 FOLDER 264 A59421 41761019080017 WAR SECRETS IN THE ETHER PARTS I AND II BY WILHELM F FLICKE; PART 1 THE PERIOD FROM THE INCEPTION OF THE INTERCEPT SERVICE TO THE END OF WW I; PART II - THE PERIOD BETWEEN1/1/1953 THE TWO WORLD288 WARS 47270 FOLDER 263 A59439 41761079080022 MILITARY CRYPTANALYSIS PART IV TRANSPOSITION AND FRACTIONATING SYSTEMS BY WILLIAM F FRIEDMAN 1/1/1941 156 47270 FOLDER 312 A59441 41792499083148 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: POSSIBLE COMPROMISES OF COMINT INFORMATION (USCIB 13.5/67) 5/24/1954 2 47270 FOLDER 312 A59446 41792539083153 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: POSSIBLE COMPROMISE OF COMINT INFORMATION (USCIB 13.5/66); THE PENTAGON'S FAVORITE MAGICIANS BY JOHN TIGER5/20/1954 32 47270 FOLDER 262 A59449 41761119080024 REPLACEMENT OF THE COMBINED CIPHER MACHINE; BRIEFING SHEET FOR THE CHAIRMAN, JOINT CHIEFS OF STAFF 4/9/1953 1 47270 FOLDER 312 A59450 41792609083159 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: APPROVAL OF USCIB 13.5/58, DATED 4 MAY 1954 5/17/1954 1 47270 FOLDER 262 A59455 41761129080026 REPLACEMENT OF THE COMBINED CIPHER MACHINE AGENDA ITEM NUMBER 6; BRIEFING SHEET FOR THE CHAIRMAN, JOINT CHIEFS OF STAFF 1/16/1953 1 47270 FOLDER 312 A59459 41792629083161 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: APPROVAL OF USCIB 13.5/57, DATED 3 MAY 1954 5/17/1954 1 47270 FOLDER 005 A59461 41698459073779 MR. FRIEDMAN'S APPOINTMENTS, 1954 AND 1955; NOTEBOOK LISTING DAILY APPOINTMENTS 4/12/1955 42 47270 FOLDER 262 A59463 41761149080027 REPLACEMENT OF THE COMBINED CIPHER MACHINE; MEMORANDUM BY THE DIRECTOR NATIONAL SECURITY AGENCY 1/12/1953 7 47270 FOLDER 262 A59466 41761159080029 NOTES REFERRING TO PROGRESS ON BRUTUS 1/1/1953 1 47270 FOLDER 312 A59468 41792689083167 ANDERSON CASE; RESULTS OF INTERVIEW OF ANDERSON 5/18/1954 7 47270 FOLDER 312 A59471 41792719083170 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISES AND POSSIBLE COMPROMISES OF COMINT INFORMATION AND COMINT CODEWORDS DUE TO COMMUNICATION5/10/1954 INSECURITIES 3 47270 FOLDER 262 A59472 41761169080030 ADDITIONAL BRIEFING INFORMATION FOR GEN CANINE; NOTES ON AFSAM AND BRUTUS PROJECTS 1/1/1953 1 47270 FOLDER 312 A59475 41792749083173 POSSIBLE COMPROMISE OF COMINT INFORMATION (USCIB 13.5/43) 4/29/1954 3 47270 FOLDER 262 A59478 41761189080031 REPLACEMENT OF THE COMBINED CIPHER MACHINE AGENDA ITEM NUMBER 2; BRIEFING SHEET FOR THE CHAIRMAN, JOINT CHIEFS OF STAFF 1/5/1953 1 47270 FOLDER 312 A59480 41792789083177 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: DISTRIBUTION OF COMINT DOCUMENTS 5/6/1954 1 47270 FOLDER 004 A59481 41698469073780 ORDERS AND PAPERS ON TRIP TO FRANCE, GERMANY AND ENGLAND, 16 NOV - 3 DEC 1951; TDY TO STOCKHOLM & ASA EUROPE, 14 JUL - 14 SEP 1945; RECEIPTS, ITINERARY, VOUCHERS1/16/1952 23 47270 FOLDER 312 A59483 41792809083179 VIOLATION OF USCIB POLICY RE CLASSIFICATION OF SUBJECT MATTER RELATED TO COMINT 5/4/1954 1 47270 FOLDER 262 A59485 41761199080033 REPLACEMENT OF THE COMBINED CIPHER MACHINE - NSA MEMO 12/23/1952 8 47270 FOLDER 004 A59487 41698479073781 DIRAFSA'S EUROPEAN TRIP - NOV 1951; ADMINISTRATIVE INFORMATION; PERSONAL ARRANGEMENTS AND ADMINISTRATIVE DETAILS FOR VISITS TO LONDON 10/25/1951 5 47270 FOLDER 004 A59489 41698489073782 TRIP REPORT - EASTMAN KODAK COMPANY TO ATTEND CONFERENCE ON MINICARD DATA HANDLING SYSTEM; LIST OF PARTICIPANTS, PURPOSE, SUMMARY OF MEETINGS, COMMENTS6/29/1955 6 47270 FOLDER 262 A59490 41761239080036 REPLACEMENT OF THE COMBINED CIPHER MACHINE; TRANSCRIPT OF OFFICE OF COMMUNICATION SECURITY CONFERENCE 12/22/1952 34 47270 FOLDER 004 A59491 41698499073783 REPORT OF TEMPORARY DUTY TO STOCKHOLM AND TO ASA EUROPE BY MR. FRIEDMAN; LETTER CONTAINING INCLUSIVE DATES OF TDY TRIP AND LOCATIONS VISITED 11/19/1946 1 47270 FOLDER 004 A59493 41698509073784 MENU FROM A PARIS RESTAURANT 10/1/1946 1 47270 FOLDER 004 A59494 41698519073785 TRAVEL ORDERS, IJ-LONDON, ENGLAND-W S; TORDELLA, PATTON AND FRIEDMAN TDY TO EUROPE IN CONNECTION WITH ARMED FORCES SECURITY AGENCY ACTIVITIES 11/13/1951 2 47270 FOLDER 004 A59496 41698529073786 SCHEDULE OF INSPECTION, 10TH RADIO SQUADRON, MOBILE BY MAJOR GENERAL CANINE AND PARTY - 29 NOV 1951; ITINERARY AND FUNCTIONS 11/29/1951 1 47270 FOLDER 004 A59499 41698539073787 ITINERARY AND SCHEDULE OF EVENTS FOR EUROPEAN TRIP 11/15/1951 5 47270 FOLDER 004 A59501 41698549073788 REPORT ON TEMPORARY DUTY, ETO, BY MR. FRIEDMAN; COPY OF ORDERS; ACCOUNT OF MOVEMENTS AND DUTY ON TRIP 10/1/1945 9 47270 FOLDER 004 A59507 41698559073789 VOUCHER FOR PER DIEM AND/OR REIMBURSEMENT OF EXPENSES INCIDENT TO OFFICIAL TRAVEL - WILLIAM FRIEDMAN; LONDON TDY TRIP: AUG - SEPT 1945 10/1/1945 2 47270 FOLDER 262 A59509 41761259080038 REPLACEMENT OF THE COMBINED CIPHER MACHINE; MEMORANDUM BY THE DIRECTOR, NATIONAL SECURITY AGENCY FOR THE JOINT CHIEFS OF STAFF 1/1/1957 5 47270 FOLDER 004 A59513 41698569073790 TRAVEL ORDERS, SHIPMENT IJ-PARIS-YC; MR. FRIEDMAN'S TDY TO PARIS AND OTHER LOCATIONS WITHIN THE EUROPEAN THEATER 7/11/1945 3

UNCLASSIFIED 69 UNCLASSIFIED

47270 FOLDER 262 A59527 41761279080040 JCS 2074/22; REPLACEMENT OF THE COMBINED CIPHER MACHINE; DRAFT MEMORANDUM FOR THE REPRESENTATIVES OF THE BRITISH CHIEFS OF STAFF 12/23/1952 3 47270 FOLDER 262 A59531 41761299080042 SECURITY OF THE COMBINED CIPHER MACHINE AGENDA ITEM NUMBER 3; BRIEFING SHEET FOR THE CHAIRMAN, JOINT CHIEFS OF STAFF 5/28/1952 1 47270 FOLDER 261 A59567 41761319080044 REPORT OF THE INSPECTOR ON ANALYTICAL MACHINE EMPLOYMENT DATED 15 AUGUST 1952; RECOMMENDATIONS ACCEPTED IN PRINCIPLE WITH CERTAIN MODIFICATIONS AS TO 10/7/1952APPLICATION 5 47270 FOLDER 261 A59570 41761339080046 REPORT BY THE INSPECTOR TO THE DIRECTOR ON ANALYTICAL MACHINE EMPLOYMENT, DATED 15 AUGUST 1952 9/8/1952 1 47270 FOLDER 261 A59574 41761359080048 COMMENT BY OFFICE OF OPERATIONS ON THE REPORT BY THE INSPECTOR TO THE DIRECTOR ON ANALYTICAL MACHINE EMPLOYMENT 9/12/1952 5 47270 FOLDER 261 A59578 41761379080050 REPORT BY THE INSPECTOR TO THE DIRECTOR ON ANALYTICAL MACHINE EMPLOYMENT DATED 15 AUGUST 1952 9/4/1952 3 47270 FOLDER 261 A59586 41761399080052 COMMENT ON TRIP REPORT DATED 8 SEPT 1952 BY WILLIAM J LAWLESS JR, TECHNICAL DIRECTOR MACHINE DIVISION 9/26/1952 1 47270 FOLDER 312 A59619 41792849083183 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: POSSIBLE COMPROMISE OF COMINT INFORMATION (USCIB 13.5/57) 5/3/1954 1 47270 FOLDER 312 A59620 41792869083185 THE ANDERSON CASE (13.5/53); ITEM 5 OF THE AGENDA FOR THE 102ND MEETING OF USCIB, HELD ON 9 APRIL 1954 4/9/1954 1 47270 FOLDER 312 A59621 41792909083189 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISES OF SIGINT INFORMATION (USCIB 13.5/55) 4/20/1954 4 47270 FOLDER 312 A59622 41792939083192 ANDERSON CASE; OUTLINE FOR ANDERSON INTERVIEW 4/7/1954 2 47270 FOLDER 312 A59623 41792979083195 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: POSSIBLE COMPROMISES OF COMINT INFORMATION (USCIB 13.5/52) 4/7/1954 3 47270 FOLDER 312 A59624 41792999083198 THE ANDERSON CASE; ITEM A (NOT ON AGENDA FOR THE THIRTEENTH MEETING OF USCIBEC, HELD ON 26 MARCH 1954) 3/26/1954 3 47270 FOLDER 312 A59629 41793019083201 DISTRIBUTION OF COMINT DOCUMENTS; COMMENTS BY GENERAL CANINE AT USCIB MEETING 3/12/1954 2 47270 FOLDER 312 A59631 41793049083203 THE ANDERSON CASE; ITEM B (NOT ON AGENDA) CONSIDERED AT THE 101ST MEETING OF USCIB, HELD ON 12 MARCH 1954 3/12/1954 2 47270 FOLDER 395 A59632 41729319076857 HAND WRITTEN PERSONAL NOTE 5/7/1951 1 47270 FOLDER 395 A59633 41729339076859 HANS F. RICHTER - EVALUATION OF GERMAN BUSINESS REPRESENTATIVE 10/2/1951 2 47270 FOLDER 395 A59635 41729359076861 COMINT-COMSEC ACTIVITY; INTRA-AFSA MEMO 10/1/1951 2 47270 FOLDER 312 A59637 41793069083205 SECURITY OF COMINT TRANSMITTED BY ELECTRICAL MEANS 3/25/1954 1 47270 FOLDER 395 A59638 41729389076864 OFFICE MEMORANDUM -CRYPTOLOGISTS 9/19/1951 1 47270 FOLDER 312 A59639 41793119083210 THE ANDERSON CASE; ITEM A (NOT ON AGENDA) CONSIDERED AT THE TWELFTH MEETING OF USCIBEC, HELD ON 4 MARCH 1954 3/4/1954 2 47270 FOLDER 395 A59640 41729409076866 CRYPTOLOGISTS 9/15/1951 1 47270 FOLDER 312 A59641 41793149083213 102ND USCIB MEETING - ORAL REPORT ON THE ANDERSON CASE 3/4/1954 1 47270 FOLDER 312 A59643 41793189083217 SECURITY OF COMINT TRANSMITTED BY ELECTRICAL MEANS (USCIB 13.5/36, /40) 3/4/1954 1 47270 FOLDER 312 A59645 41793239083222 DISTRIBUTION OF COMINT DOCUMENTS (USCIB 13.5/33, 13.5/39) 2/26/1954 3 47270 FOLDER 312 A59653 41793279083226 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: POSSIBLE COMPROMISE OF COMINT MATERIAL 3/19/1954 4 47270 FOLDER 312 A59658 41793339083233 PARTIAL LIST OF COMINT MATERIAL INVOLVED IN THE AIRCRAFT CRASH AT KEFLAVIK, ICELAND, 22 AUGUST 1953 3/19/1954 3 47270 FOLDER 312 A59665 41793389083237 SECURITY OF COMINT TRANSMITTED BY ELECTRICAL MEANS 3/8/1954 4 47270 FOLDER 311 A59711 41793409083239 MEMO ROUTING SLIP: QUESTION ADDRESSED TO MR. FRIEDMAN 7/1/1954 1 47270 FOLDER 311 A59716 41793469083245 MEMO ROUTING SLIP: FROM MR. FRIEDMAN ADDRESSING THE OUTCOME OF A USCIB SECURITY COMMITTEE STUDY 9/9/1952 1 47270 FOLDER 311 A59740 41793499083248 MEMO ROUTING SLIP: ALFRED MARCY, COL. SIGNAL CORPS CHIEF OF STAFF, EXPRESSING CONCERN OVER INCREASING NUMBER OF CODE-WORD VIOLATIONS 8/20/1952 1 47270 FOLDER 311 A59757 41793509083249 REPT OF POSS COMPROMISE OF TOP SECRET CODE WORD "CANOE"; MSG FROM USA 54A TO AFSA 8/14/1952 1 47270 FOLDER 311 A59770 41793539083252 CODE WORD COMPROMISED; MSG TO DIRAFSA 8/14/1952 1 47270 FOLDER 311 A59774 41793569083255 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: PREPARATIONS AND EXCHANGE OF REPORTS ON POSSIBLE COMPROMISES OF COMINT SUCCESSES 1/12/1953 5 47270 FOLDER 311 A59777 41792659083164 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: COMPROMISE OF CODEWORD AND ASSOCIATED INFORMATION 1/19/1953 3 47270 FOLDER 311 A59784 41792679083166 MEMO ROUTING SLIP: WILLIAM FRIEDMAN COMMENTS ON PHILOSOPHY OF BRUSA POLICY REGARDING CHANGING THE CODEWORD REGULARLY OR WHEN A COMPROMISE HAS BEEN10/2/1952 DECLARED 2 47270 FOLDER 311 A59799 41792729083171 MEMO ROUTING SLIP: MR. FRIEDMAN REQUEST TO BE NOTIFIED ABOUT CHANGES TO PROPOSED PAPER TO SECURITY COMMITTEE 7/9/1952 1 47270 FOLDER 311 A59817 41792779083176 OFFICE MEMORANDUM; SUBJECT: SEPARATE CODEWORD FOR CRYPTANALYTIC METHODS 5/5/1952 4 47270 FOLDER 311 A59825 41792829083181 CODEWORD FOR ANALYTIC METHODS 9/3/1952 6 47270 FOLDER 311 A59829 41792879083186 CODEWORD FOR ANALYTIC METHODS 7/16/1952 4 47270 FOLDER 311 A59832 41792919083190 MEMORANDUM FOR THE CHIEF OF STAFF; SUBJECT: COMPROMISE OF CODEWORDS; AFSA MEMO 9/2/1952 5 47270 FOLDER 311 A59834 41792959083194 CODEWORD STAMPS; MEMORANDUM FOR USCIB MEMBERS 12/1/1954 1 47270 FOLDER 311 A59860 41793109083209 MEMORANDUM FOR: EXECUTIVE SECRETARY, USCIB; SUBJECT: USCIB 13.4/6 - CODEWORD STAMPS 11/26/1954 1 47270 FOLDER 311 A59866 41793159083214 CODEWORD STAMPS; MEMORANDUM FOR THE MEMBERS OF USCIB 11/9/1954 1 47270 FOLDER 311 A59869 41793209083219 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: CODEWORDS 10/25/1954 1 47270 FOLDER 311 A59870 41793249083223 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: INTRODUCTION OF NEW CODEWORD 9/13/1954 1 47270 FOLDER 311 A59872 41793299083228 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: INTRODUCTION OF NEW CODEWORD 8/24/1954 1 47270 FOLDER 310 A59875 41793319083230 INTRODUCTION FOR ACCESS TO COMINT 8/8/1955 1 47270 FOLDER 310 A59879 41793369083235 INDOCTRINATION FOR ACCESS TO COMINT 7/14/1955 1 47270 FOLDER 310 A59895 41793419083240 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: INDOCTRINATION FOR ACCESS TO COMINT 7/6/1955 1

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47270 FOLDER 310 A59896 41793449083243 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: INDOCTRINATION FOR ACCESS TO COMINT 7/1/1955 1 47270 FOLDER 310 A59898 41793489083247 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: LISTS OF COMINT INDOCTRINATED PERSONNEL MAINTAINED BY THE EXECUTIVE SECRETARY, USCIB 6/10/1955 10 47270 FOLDER 310 A59900 41793519083250 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: LISTS OF COMINT INDOCTRINATED PERSONNEL MAINTAINED BY THE EXECUTIVE SECRETARY, USCIB 1/11/1955 9 47270 FOLDER 310 A59901 41793589083257 MEMORANDUM FOR THE MEMBERS OF USCIB; SUBJECT: U. S. INDOCTRINATED TOTALS 12/20/1954 3 47270 FOLDER 261 A60152 41761419080054 ATLAS II; CLASS DESIGNED TO FAMILIARIZE CUSTOMER REPRESENTATIVES WITH NEW EQUIPMENTS 9/8/1952 7 47270 FOLDER 261 A60156 41761439080056 CRITIQUE AND PROPOSAL FOR ADMINISTRATION OF AGENCY AUTOMATIC SEQUENCED DIGITAL COMPUTER EQUIPMENT 9/26/1952 4 47270 FOLDER 261 A60163 41761459080059 PLANNING FOR ATLAS II 7/14/1952 6 47270 FOLDER 261 A60166 41761479080061 REPORT BY THE INSPECTOR TO THE DIRECTOR ON ANALYTICAL MACHINE EMPLOYMENT, DATED 15 AUGUST 1952 8/15/1952 20 47270 FOLDER 261 A60183 41761499080064 UTILIZATION OF ANALYTICAL MACHINERY; ATTEMPTING TO CATEGORIZE AND MANAGE CRYPTANALYTICAL MACHINES EFFICIENTLY 6/13/1952 64 47270 FOLDER 261 A60185 41761529080066 TRIP REPORT - VISIT TO IBM, POUGHKEEPSIE TO INSPECT TPM 12/26/1951 6 47270 FOLDER 260 A60192 41761569080071 HAND-DRIVEN CIPHERING MACHINE 6/21/1954 11 47270 FOLDER 259 A60198 41761549080068 SUB COURSE--MILITARY CRYPTANALYSIS, PART III SIMPLE TYPES OF APERIODIC SUBSTITUTION SYSTEMS (INTRODUCTION AND LESSON 1) 1/1/1938 105 47270 FOLDER 258 A60206 41761589080072 SOLUTION OF PROGRESSIVE-ALPHABET CIPHER WITH STANDARD PLAINTEXT ALPHABET AND UNKNOWN MIXED CIPHER ALPHABET; DESCRIBES TECHNIQUES USED IN DESCRIBING THE SOLUTION1/1/1941 PROCESS 4 47270 FOLDER 258 A60209 41761609080074 SOLUTION OF PLAIN TEXT AUTO KEY PROBLEM USING UNKNOWN IDENTICAL PRIMARIES 9/1/1941 6 47270 FOLDER 258 A60213 41761619080075 MILITARY CRYPTANALYSIS, PART III: SIMPLER VARIETIES OF APERIODIC SUBSTITUTION SYSTEMS 1/1/1939 123 47270 FOLDER 266 A60247 41761629080076 ASA REVIEW: THE WAR IN THE ETHER: THE RUSSIAN RADIO AGENT SERVICE IN 1942; SUMMATION TO SHOW THE EXTENT WHICH THIS WORK ASSUMED DURING THE SECOND WORLD12/31/1951 WAR 4 47270 FOLDER 266 A60251 41761639080077 THE WAR IN THE ETHER: PREPARATIONS FOR THE POLISH WAR FROM ASA REVIEW; SYSTEMATIC PENETRATION OF THE POLISH STATE BY GERMAN ESPIONAGE MANY YEARS BEFORE10/31/1951 THE INVASION 6 47270 FOLDER 339 A60270 41728519076777 COMINT ACTIVITIES INVOLVING THIRD PARTIES TO UKUSA, 12 JULY 1955; MINUTES OF USCIB MEETING ON 12 JULY 1955 7/12/1955 1 47270 FOLDER 339 A60272 41728549076780 COMINT ACTIVITIES INVOLVING THIRD PARTIES IN UKUSA; MEMORANDUM FOR THE MEMBERS OF USCIB 7/20/1955 3 47270 FOLDER 339 A60274 41728609076786 LONG RANGE ASPECTS OF U.S. COMINT RELATIONS, 20 JUL 1955; MEMORANDUM FOR THE MEMBERS OF USCIBEC 7/20/1955 2 47270 FOLDER 339 A60275 41728659076792 COMINT ACTIVITIES INVOLVING THIRD PARTIES TO UKUSA; MEMORANDUM FOR THE MEMBERS OF USCIB 7/5/1955 5 47270 FOLDER 339 A60276 41728709076796 COMINT ACTIVITIES INVOLVING THIRD PARTIES TO UKUSA, 16 JUN 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 6/16/1955 3 47270 FOLDER 339 A60278 41728729076798 COMINT ACTIVITIES INVOLVING THIRD PARTIES TO UKUSA, 20 MAY 1955; MINUTES OF USCIB MEETING 5/20/1955 3 47270 FOLDER 339 A60279 41728839076809 COMINT UNITS, 25 MAY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 5/25/1955 2 47270 FOLDER 339 A60282 41729419076867 FUTURE STATUS OF U.K. SIGNET UNITS, 24 MAY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 5/24/1955 3 47270 FOLDER 339 A60284 41729449076870 STATUS OF UKUSA COMINT UNITS, 17 MAY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 5/17/1955 2 47270 FOLDER 339 A60287 41729549076880 US-UK COMINT ACTIVITIES, 17 MAY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 5/17/1955 3 47270 FOLDER 339 A60289 41729599076885 COMINT ACTIVITIES INVOLVING THIRD PARTIES TO UKUSA, 16 MAY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 5/16/1955 3 47270 FOLDER 339 A60291 41729629076888 COMINT ACTIVITIES INVOLVING THIRD PARTIES TO UKUSA, 16 MAY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 5/16/1955 2 47270 FOLDER 339 A60292 41729679076893 COMINT ACTIVITIES INVOLVING THIRD PARTIES TO UKUSA, 13 MAY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 5/13/1955 3 47270 FOLDER 339 A60294 41729719076898 COMINT ACTIVITIES INVOLVING THIRD PARTIES TO UKUSA, 4 MAY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 5/4/1955 5 47270 FOLDER 339 A60295 41730139076939 CONTINUATION OF ACTIVITIES, 18 APR 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 4/18/1955 4 47270 FOLDER 339 A60297 41730169076941 CONTINUATION OF ACTIVITIES (USCIB 29.20/1; 29.20/2), 11 MAR 1955; MINUTES OF USCIB MEETING 3/11/1955 5 47270 FOLDER 339 A60299 41730279076952 CONTINUATION OF ACTIVITIES, 14 MAR 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 3/14/1955 2 47270 FOLDER 339 A60301 41730429076967 COMINT ACTIVITIES INVOLVING THIRD PARTIES TO UKUSA, 7 MAR 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 3/7/1955 2 47270 FOLDER 339 A60303 41787359082637 COMINT ACTIVITIES INVOLVING THIRD PARTIES TO UKUSA, 17 FEB 1955; MEMORANDUM FOR THE MEMBERS OF THE USCIB 2/17/1955 5 47270 FOLDER 338 A60316 41730559076980 COMINT RELATIONS WITH THIRD PARTY PARTNER; MEMORANDUM FOR THE MEMBERS OF USCIB 5/10/1955 1 47270 FOLDER 399 A60317 41729439076869 EXCEPTED PART-TIME CONSULTANTS AND PART-TIME EMPLOYEES; MEMOS FROM GOVERNMENT PATENTS BOARD 6/8/1951 2 47270 FOLDER 399 A60320 41729469076872 COMMENT ON MR. HAROLD P. EDMUNDSON'S LETTER DATED 5 FEB 1951; INTRA-AFSA OFFICE MEMO TO FRIEDMAN 3/5/1951 2 47270 FOLDER 338 A60321 41730609076985 COMINT RELATIONS WITH THIRD PARTY PARTNER; MINUTES OF USCIB MEETING 4/22/1955 3 47270 FOLDER 338 A60324 41730639076988 COMINT RELATIONS WITH THIRD PARTY; MEMORANDUM FOR THE MEMBERS OF USCIB 4/26/1955 2 47270 FOLDER 338 A60326 41730649076989 COMINT RELATIONS WITH THIRD PARTY, 6 APRIL 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 4/6/1955 1 47270 FOLDER 338 A60328 41730679076992 INTERCEPT SITE SURVEY IN THIRD PARTY COUNTRY, 5 APRIL 1955; MEMORANDUM FOR MEMBERS OF THE USCIB 4/5/1955 2 47270 FOLDER 398 A60329 41729499076875 HAGELIN GRANTS UNITED STATES RIGHTS TO PATENT NO. 2,089,603 1/1/1943 1 47270 FOLDER 338 A60330 41730699076994 COMINT RELATIONS WITH THIRD PARTIES; MEMORANDUM FOR MEMBERS OF THE USCIB 3/30/1955 1 47270 FOLDER 338 A60332 41730729076997 COMINT RELATIONS WITH THIRD PARTY; MEMORANDUM FOR MEMBERS OF THE USCIB 3/24/1955 1 47270 FOLDER 398 A60335 41729519076877 HAGELIN ASSIGNS UNITED STATES RIGHTS TO PATENT NO. 2,089,603 9/26/1942 2 47270 FOLDER 398 A60337 41729539076879 HAGELIN ASSIGNS UNITED STATES RIGHTS TO PATENT NO. 2,089,603 9/26/1942 2 47270 FOLDER 338 A60339 41730749076998 SUMMARY OF RECENT NSA ACTIONS AND CONSIDERATIONS REGARDING COMINT RELATIONS WITH THIRD PARTY 3/1/1955 2 47270 FOLDER 398 A60342 41729579076883 U.S. GOVERNMENT GRANTS HAGELIN LICENSE UNDER PATENT NO. 2,089,603 9/26/1942 2

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47270 FOLDER 338 A60344 41730829077006 GCHQ LETTER TO DIRECTOR NSA REGARDING THIRD PARTY VISIT; GCHQ TECHNICIAN TO VISIT 2/8/1955 4 47270 FOLDER 338 A60346 41730869077010 INTERCEPT SITE SURVEY, THIRD PARTY; MEMORANDUM FOR THE MEMBERS OF THE USCIB 3/14/1955 1 47270 FOLDER 338 A60350 41730889077012 INTERCEPT SITE SURVEY, THIRD PARTY; DIRECTOR NSA MEMO TO MEMBERS OF USCIB 3/10/1955 1 47270 FOLDER 398 A60353 41729619076887 HAGELIN COMPANY GRANTS UNITED STATES LICENSE TO MANUFACTURE UNDER PATENT NO. 2,247,170 9/26/1942 3 47270 FOLDER 338 A60354 41730909077014 COMINT RELATIONS WITH THIRD PARTY; MINUTES OF USCIB MEETING 12/2/1954 2 47270 FOLDER 338 A60355 41730919077015 COMINT RELATIONS WITH THIRD PARTY; MEMORANDUM FOR MEMBERS OF THE USCIB 1/20/1955 2 47270 FOLDER 397 A60357 41729659076890 LOW ECHELON CIPHER MACHINE; FRIEDMAN MEMO ROUTING SLIP 9/28/1951 2 47270 FOLDER 397 A60359 41729689076894 FRENCH MODIFICATION OF THE M-209 CONVERTER 5/25/1951 6 47270 FOLDER 338 A60360 41731429077066 COMINT RELATIONS WITH THIRD PARTY, 17 DEC 1954; MEMORANDUM FOR MEMBERS OF THE USCIB 12/17/1954 2 47270 FOLDER 338 A60362 41731449077068 USCIB 29.19/13 OF 6 DECEMBER 1954; MEMORANDUM FOR MEMBERS OF THE USCIB 12/13/1954 1 47270 FOLDER 338 A60364 41731559077079 COMINT RELATION WITH THIRD PARTY, 6 DEC 1954; MEMORANDUM FOR MEMBERS OF THE USCIB 12/6/1954 2 47270 FOLDER 338 A60366 41731589077082 COMINT RELATIONS WITH THIRD PARTY, 15 NOV 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 11/15/1954 3 47270 FOLDER 338 A60368 41731609077084 COMINT RELATIONS WITH THIRD PARTY (USCIB 29.19/3; USCIB 29.19/7); MINUTES OF USCIB MEETING 10/22/1954 2 47270 FOLDER 338 A60370 41731719077095 INTERCEPT BASE RIGHTS IN THIRD PARTY, 8 NOV 1954; MEMORANDUM FOR THE MEMBERS OF THE USCIB 11/8/1954 1 47270 FOLDER 338 A60373 41731789077102 COMINT ARRANGEMENTS WITH THIRD PARTIES (USCIB 29.10/1; 29.19/4); MINUTES OF USCIB MEETING 9/21/1954 1 47270 FOLDER 338 A60377 41731849077108 COMINT RELATIONS WITH THIRD PARTY (USCIB 29.19/3), 27 OCT 1954; MEMORANDUM FOR MEMBERS OF THE USCIB 10/27/1954 1 47270 FOLDER 338 A60379 41731869077110 COMINT ARRANGEMENTS WITH THIRD PARTIES, 19 OCT 1954; MEMORANDUM FOR THE MEMBERS OF THE USCIB 10/19/1954 2 47270 FOLDER 338 A60385 41731899077113 COMINT ARRANGEMENTS WITH THIRD PARTIES, 15 SEP 1954; MINUTES OF USCIB MEETING 9/15/1954 3 47270 FOLDER 338 A60386 41731909077114 COMINT ARRANGEMENTS WITH THIRD PARTIES, (USCIB 29.19/1), 10 SEP 1954; MINUTES OF USCIB MEETING 9/10/1954 2 47270 FOLDER 338 A60388 41731929077116 COMINT ARRANGEMENTS WITH THIRD PARTIES, 16 SEP 1954; MEMORANDUM FOR THE MEMBERS OF USCIBEC 9/16/1954 2 47270 FOLDER 338 A60389 41732019077125 PROPOSED COMINT RELATIONS WITH THIRD PARTY, 16 SEP 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/16/1954 2 47270 FOLDER 338 A60391 41732169077140 PROPOSED COMINT RELATIONSHIP WITH THIRD PARTY, 13 SEP 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/13/1954 2 47270 FOLDER 338 A60396 41787449082645 ITEM 3 THIRD PARTY ARRANGEMENT WITH THIRD PARTY, 1 SEP 1954; 106TH USCIB MEETING 9/1/1954 6 47270 FOLDER 338 A60399 41732289077152 CHAIRMAN USCIB DRAFT CABLE TO SUSLO, LONDON; INFORMATION ON REQUEST FOR COMINT ASSISTANCE 1/1/1954 1 47270 FOLDER 337 A60404 41732349077158 SECURITY STANDARDS FOR NEGOTIATIONS, 22 SEP 1954; PREPARATIONS FOR NEW COMINT AGREEMENT 9/22/1954 3 47270 FOLDER 337 A60405 41732369077160 UKUSA CONFERENCE OF JULY 1954, 20 SEP 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/20/1954 2 47270 FOLDER 337 A60407 41732399077163 UKUSA CONFERENCE OF JULY 1954, 23 AUG 1954 8/23/1954 11 47270 FOLDER 337 A60408 41732479077171 PREPARATIONS OF TERMS OF REFERENCE FOR COMINT ARRANGEMENTS, 16 AUG 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 8/16/1954 2 47270 FOLDER 337 A60410 41732509077174 UKUSA CONFERENCE 12-21 JULY 1954, 29 JUL 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 7/29/1954 2 47270 FOLDER 113 A60419 41741099078033 MACHINE IDENTIFICATION OF WORDS; DRAFT ARTICLE/ESSAY; UNKNOWN SOURCE 1/1/1955 19 47270 FOLDER 113 A60422 41741109078034 USE OF MACHINES IN SOLVING CIPHERS - MONOALPHABETIC SUBSTITUTION 5/10/1955 5 47270 FOLDER 337 A60450 41732569077180 DIRECTOR NSA NOTIFICATION TO SUKLO OF USCIB ACTION ON SCANUKUS CONFERENCE PAPERS, 17 AUGUST 1954; NOTIFICATION OF APPROVAL OF SCANUKUS CONFERENCE PAPERS8/17/1954 1 47270 FOLDER 337 A60451 41732599077183 COMINT COLLABORATION, 23 JULY 1954; MEMORANDUM FOR THE MEMBERS OF THE USCIB 7/23/1954 2 47270 FOLDER 337 A60452 41732639077186 COMINT COLLABORATION, 20 JULY 1954; MEMORANDUM FOR THE MEMBERS OF THE USCIB 7/20/1954 1 47270 FOLDER 337 A60453 41732669077190 ELECTRICAL MESSAGE SUSLO, LONDON TO DIRNSA, DTG 171622Z JUL 54; REPORT OF FIRST WEEK OF COMINT CONFERENCE 7/17/1954 2 47270 FOLDER 337 A60454 41732709077194 SECURITY ASSESSMENTS, 13 JULY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 7/13/1954 4 47270 FOLDER 337 A60455 41732739077197 SUMMARY OF U.S. DELEGATION TO THE JULY 1954 UKUSA CONFERENCE, 2 JULY 1954; MEMORANDUM FOR THE MEMBERS OF THE U.S. DELEGATION TO THE JULY 1954 UKUSA CONFERENCE7/2/1954 6 47270 FOLDER 337 A60456 41732769077200 UKUSA CONFERENCE ON COMINT RELATIONS (USCIB 29.18/7; 29.18/8), 14 JUNE 1954; MINUTES OF USCIB MEETING 6/14/1954 4 47270 FOLDER 337 A60457 41732799077203 U.S. POSITION PAPERS FOR UKUSA CONFERENCE, 30 JUNE 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 6/30/1954 1 47270 FOLDER 337 A60458 41741379078060 UKUSA CONFERENCE ON COMINT RELATIONS, 11 JUNE 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 6/11/1954 2 47270 FOLDER 337 A60459 41741399078063 UKUSA CONFERENCE ON COMINT RELATIONS, 9 JUNE 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 6/9/1954 27 47270 FOLDER 337 A60460 41741419078065 UKUSA CONFERENCE ON COMINT RELATIONS, 8 JUN 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 6/8/1954 1 47270 FOLDER 337 A60461 41741439078067 UKUSA CONFERENCE ON COMINT RELATIONS, 25 MAY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 5/25/1954 1 47270 FOLDER 337 A60463 41741459078068 UKUSA CONFERENCE ON COMINT RELATIONS (USCIB 29.18/1, 29.18/2); MINUTES OF USCIB MEETING 5/14/1954 7 47270 FOLDER 113 A60464 41741189078042 THE BASIC PRINCIPLES OF CRYPTANALYSIS; DRAFT ESSAY FROM UNKNOWN SOURCE 4/5/1955 3 47270 FOLDER 113 A60465 41741209078044 NEWSPAPER ARTICLE ON TEACHING OF READING 6/15/1955 1 47270 FOLDER 337 A60466 41741469078070 UKUSA CONFERENCE ON COMINT RELATIONS, 18 MAY 1954; MEMORANDUM FOR THE MEMBERS OF THE USCIB 5/18/1954 3 47270 FOLDER 337 A60467 41741479078071 PROPOSED AGENDA FOR US-UK CONFERENCE IN LONDON TO DISCUSS COMINT ARRANGEMENTS, JULY 1954; UKUSA CONFERENCE AGENDA ON COMINT ARRANGEMENTS 7/1/1954 1 47270 FOLDER 112 A60468 41741179078041 NAVY REGULATIONS GOVERNING CAFETERIA OPERATION 1/13/1953 2 47270 FOLDER 337 A60469 41741499078073 CIA MEMBER'S COMMENTS ON PROPOSALS FOR COMINT RELATIONS WITH INTELLIGENCE SERVICES 1/1/1954 7

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47270 FOLDER 337 A60470 41741519078075 COMINT RELATIONS, 12 MAY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 5/12/1954 1 47270 FOLDER 337 A60472 41741539078077 103RD USCIB MEETING; MINUTES OF 103RD USCIB MEETING 6/1/1954 4 47270 FOLDER 337 A60476 41743149078235 UKUSA CONFERENCE ON COMINT RELATIONS, 12 MAY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 5/12/1954 19 47270 FOLDER 112 A60477 41741229078046 NAVY PERSONNEL INSTRUCTIONS, EMPLOYEE SERVICES 9/12/1947 21 47270 FOLDER 112 A60481 41741159078039 PAMPHLETS FOR CAFETERIA MATTER 4/18/1951 3 47270 FOLDER 112 A60483 41741199078043 MEMO ROUTING SLIP - CAFETERIA OPERATIONS 5/21/1951 2 47270 FOLDER 112 A60485 41741139078037 MENUS FOR CAFETERIAS 4/26/1951 9 47270 FOLDER 111 A60490 41741259078049 AMERICAN PATENTS FOR "ENIGMA" CIPHERING MACHINES 2/17/1948 2 47270 FOLDER 111 A60492 41741119078035 CONTRIBUTIONS OF THE SIGNAL CORPS; ROWLETT- FRIEDMAN CONTRIBUTIONS TO HCM CIPHER MACHINE 11/2/1943 5 47270 FOLDER 003 A60495 41698579073791 FRIEDMAN'S DIARY - TDY TRIP TO EUROPE, OCT 1946; ITINERARY, DAILY ACTIVITIES 10/28/1946 162 47270 FOLDER 111 A60496 41741169078040 MEMORANDUM ON HEBERN ELECTRIC CODE MACHINE 1/29/1929 2 47270 FOLDER 111 A60499 41741129078036 FRIEDMAN RESEARCH INTO A NOVEL MECHANICO-ELECTRICAL CIPHER MACHINE 12/1/1924 2 47270 FOLDER 111 A60500 41741219078045 DISTRIBUTION OF CONVERTER M-134 (SIGHIC) & M-134-A (SIGMYC) 2/14/1948 3 47270 FOLDER 111 A60503 41741239078047 CONTROL CIRCUITS FOR ELECTRIC CODING MACHINES; PATENT APPLICATION REJECTION 4/10/1945 1 47270 FOLDER 111 A60505 41741149078038 RECEIPT OF CLASSIFIED MATERIAL 3/7/1945 1 47270 FOLDER 111 A60507 41741349078058 PATENT APPLICATION SERIAL NO. 568,368 FOR CONTROL CIRCUITS FOR ELECTRIC CODING MACHINES 3/6/1945 1 47270 FOLDER 111 A60509 41741319078055 CONTROL CIRCUITS FOR ELECTRIC CODING MACHINES; PATENT RIGHTS TRANSFER 2/28/1945 1 47270 FOLDER 337 A60510 41787539082654 UKUSA CONFERENCE ON COMINT RELATIONS, 27 APRIL 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 4/27/1954 5 47270 FOLDER 111 A60513 41741309078054 APPLICATION FOR LETTERS PATENT ON A CONTROL CIRCUITS FOR ELECTRIC CODING MACHINES 12/14/1944 1 47270 FOLDER 111 A60515 41741249078048 SECRECY ORDERS FOR CONTROL CIRCUITS FOR ELECTRIC CODING MACHINES 1/4/1945 38 47270 FOLDER 002 A60517 41768289080739 FRIEDMAN TDY TRIP TO LONDON, APR-JUN 1943; DIARY - DAILY ACTIVITIES 6/12/1943 91 47270 FOLDER 337 A60519 41743229078243 PROPOSED AGENDA AND DELEGATION FOR UKUSA CONFERENCE ON COMINT RELATIONS; MEMORANDUM FOR THE CHAIRMAN, USCIB 5/1/1954 3 47270 FOLDER 336 A60521 41743259078246 COMINT RELATIONS, 26 MAY 1955; MINUTES OF USCIBEC MEETING 5/26/1955 1 47270 FOLDER 001 A60523 41698589073792 JOB DESCRIPTIONS - SPECIAL ASSISTANT TO THE DIRECTOR AND CRYPTOLOGIC RESEARCH ADVISOR; PLUS OTHERS; DUTIES AND RESPONSIBILITIES 2/26/1954 7 47270 FOLDER 336 A60525 41743289078249 COMINT RELATIONS, 22 APR 1955; MINUTES OF USCIBEC MEETING 4/22/1955 7 47270 FOLDER 336 A60527 41743309078251 COMINT RELATIONS, 10 MAY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 5/10/1955 3 47270 FOLDER 001 A60528 41698599073793 FRIEDMAN'S CONTRIBUTIONS IN THE FIELDS OF COMMUNICATIONS SECURITY AND COMMUNICATIONS INTELLIGENCE, 1930-45 1/1/1945 6 47270 FOLDER 336 A60530 41743339078254 COMINT RELATIONS, 26 APR 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 4/26/1955 1 47270 FOLDER 111 A60531 41741269078050 PATENT SITUATION WITH REGARD THERETO ELECTRIC CIPHERING MACHINES 12/16/1943 3 47270 FOLDER 336 A60532 41743369078257 COMINT RELATIONS, 18 APR 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 4/18/1955 2 47270 FOLDER 336 A60533 41743389078259 COMINT RELATIONS, 11 APR 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 4/11/1955 2 47270 FOLDER 001 A60534 41698609073794 IMPORTANT CONTRIBUTIONS TO COMMUNICATIONS SECURITY, 1939-1945; SUMMARY OF CONTRIBUTIONS MADE BY MR. FRIEDMAN 1/1/1945 13 47270 FOLDER 111 A60538 41741279078051 PATENT SITUATION WITH REGARD TO ELECTRIC CIPHERING MACHINES 11/11/1943 3 47270 FOLDER 336 A60539 41743409078261 COMINT RELATION, 25 FEB 1955; MINUTES OF USCIB MEETING 2/25/1955 2 47270 FOLDER 001 A60541 41698619073795 CONTRIBUTIONS IN THE FIELDS OF COMMUNICATIONS SECURITY AND COMMUNICATIONS INTELLIGENCE, 1939-1945; BRIEF SUMMARY OF FRIEDMAN'S CONTRIBUTIONS 1/1/1945 1 47270 FOLDER 336 A60542 41743439078263 APPROVAL OF USCIB29.17/18 OF 28 FEBRUARY 1955; MEMORANDUM FOR MEMBERS OF USCIB 3/9/1955 1 47270 FOLDER 111 A60545 41741289078052 REQUEST FOR COPY OF COURT RECORDS ON PATENT APPLICATION NO. 232,995 10/25/1943 1 47270 FOLDER 336 A60551 41743459078265 COMINT RELATIONS, 16 FEB 1955; ITEM CONSIDERED AT THE TWENTY-FIFTH (SPECIAL) MEETING OF USCIBEC, HELD ON 16 FEBRUARY 1955 2/16/1955 3 47270 FOLDER 111 A60555 41741339078057 SUMMARY OF OPINION IN RE: ELECTRIC CIPHERING MACHINES - PATENT SITUATION 9/30/1932 1 47270 FOLDER 001 A60556 41698629073796 REQUEST FOR PERSONNEL AUTHORIZATION AND DESCRIPTION OF THE POSITION OF CHIEF, COMMUNICATIONS RESEARCH SECTION; POSITIONS AUTHORIZED THE DEPARTMENT OF11/19/1947 THE ARMY BY PUBLIC LAW 5313 - 80TH CONGRESS 47270 FOLDER 336 A60559 41743479078267 COMINT RELATIONS, 11 FEB 1955; ITEM 3 OF THE AGENDA FOR THE 112TH MEETING OF USCIB, HELD ON 11 FEBRUARY 1955 2/11/1955 4 47270 FOLDER 336 A60561 41743499078269 COMINT RELATIONS, 28 FEB 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/28/1955 4 47270 FOLDER 001 A60563 41698639073797 MEMORANDUM FOR COLONEL CORDERMAN; FRIEDMAN WRITES: I DO NOT CONSCIOUSLY DISREGARD OR DISOBEY SPECIFIC INSTRUCTIONS GIVEN ME BY SUPERIOR AUTHORITY 4/3/1943 1 47270 FOLDER 336 A60564 41743529078272 COMINT RELATIONS, 21 FEB 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/21/1955 5 47270 FOLDER 111 A60566 41741359078059 PATENT SITUATION WITH REGARD TO ELECTRIC CIPHERING MACHINES 9/30/1932 5 47270 FOLDER 336 A60567 41743549078274 COMINT RELATIONS, 15 FEB 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/15/1955 2 47270 FOLDER 336 A60570 41743569078277 COMINT RELATIONS, 14 FEBRUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/14/1955 2 47270 FOLDER 001 A60573 41698649073798 MEMORANDUM TO BRANCH CHIEFS, B, C, D, E, IN TURN REGARDING RESTRICTIONS ON COOPERATING WITH BRITISH; MR. FRIEDMAN'S EFFORT TO CLEAR UP A MISUNDERSTANDING (PERSONAL4/7/1943 REPRIMAND) 8WHICH REFLECTS UNFAVORABLY UPON HIM 47270 FOLDER 336 A60574 41743579078278 COMINT RELATIONS, 8 FEBRUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/8/1955 2 47270 FOLDER 001 A60576 41698659073799 LETTER FROM COL. BULLOCK TO MR. FRIEDMAN, MAR 1943; RELAXATION OF RESTRICTIONS IMPOSED UPON MR. FRIEDMAN REGARDING RELATIONS WITH REPRESENTATIVES OF FOREIGN3/25/1943 GOVERNMENTS AND1 OTHER AGENCIES

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47270 FOLDER 001 A60579 41758489079762 LETTERS FROM MR. FRIEDMAN TO COL. BULLOCK REGARDING LIFTING OF RESTRICTIONS REGARDING CONTACTS WITH FOREIGN REPRESENTATIVES 4/16/1943 5 47270 FOLDER 336 A60580 41743599078280 SIGINT RELATIONS, 24 JANUARY 1955; CONFERENCE WITH REPRESENTATIVES HELD IN LONDON NOVEMBER/DECEMBER 1954 1/24/1955 2 47270 FOLDER 001 A60582 41758479079761 JOB DESCRIPTIONS - DIRECTOR OF COMMUNICATIONS RESEARCH AND TECHNICAL DIRECTOR OF SECURITY ACTIVITIES, 1942; DUTIES AND RESPONSIBILITIES 1/1/1942 2 47270 FOLDER 001 A60583 41758499079763 APPOINTMENT OF MR. FRIEDMAN AS DIRECTOR OF COMMUNICATIONS RESEARCH, SIGNAL SECURITY SERVICE - NOV 1942; LETTER DESCRIBING DUTIES AND RESPONSIBILITIES 11/28/1942 1 47270 FOLDER 336 A60585 41743619078282 ITEM 3 COMINT RELATIONS, 01 JANUARY 1955; 112TH USCIB MEETING MINUTES 1/1/1955 4 47270 FOLDER 336 A60587 41743649078285 COMINT RELATIONS, 31 JANUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 1/31/1955 2 47270 FOLDER 336 A60589 41743679078288 COMINT RELATIONS (USCIB 29.17/10), 12 NOVEMBER 1954; ITEM 5 OF THE AGENDA FOR THE 109TH MEETING OF THE USCIB, HELD ON 12 NOVEMBER 1954 11/12/1954 2 47270 FOLDER 336 A60590 41743699078289 COMINT RELATIONS, 18 NOV 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 11/18/1954 2 47270 FOLDER 336 A60593 41743719078292 COMINT RELATIONS, 5 NOV 1954; MEMORANDUM FOR MEMBERS OF USCIB 11/5/1954 5 47270 FOLDER 111 A60595 41741329078056 ELECTRIC CIPHERING MACHINES; REQUEST FOR OPINION CONCERNING PATENT FEATURES 9/2/1932 3 47270 FOLDER 336 A60596 41743739078294 DECISION ON ITEM 1 OF THE AGENDA OF THE 102ND MEETING OF USCIB (COMINT RELATIONS WITH THIRD PARTIES); MEMORANDUM FOR MEMBERS OF USCIB 4/28/1954 1 47270 FOLDER 336 A60599 41743759078296 COMINT RELATIONS WITH THIRD PARTIES, 19 APRIL 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 4/19/1954 2 47270 FOLDER 109 A60602 41741299078053 PERSONAL MESSAGES CONCERNING HAGELIN MACHINES 7/22/1954 4 47270 FOLDER 336 A60603 41743779078298 COMINT RELATIONS WITH THIRD PARTIES (USCIB 29.17/3), 9 APRIL 1954; ITEM 1 OF THE AGENDA FOR THE 102ND MEETING OF USCIB, HELD ON 9 APRIL 1954 4/9/1954 2 47270 FOLDER 001 A60609 41698699073803 JOB DESCRIPTION - CRYPTOLOGIC CONSULTANT, APR 1949; DUTIES AND RESPONSIBILITIES 4/18/1949 2 47270 FOLDER 109 A60611 41741449078069 NEGOTIATIONS IN REGARD TO HAGELIN MACHINES 7/2/1951 36 47270 FOLDER 109 A60616 41741409078064 REPORT OF VISIT TO CRYPTO A.G. (HAGELIN) BY WILLIAM F. FRIEDMAN, SPECIAL ASSISTANT TO THE DIRECTOR, NSA 2/28/1955 23 47270 FOLDER 336 A60625 41743849078305 U.S.-U.K. COMINT ARRANGEMENT, 13 APRIL 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 4/13/1954 2 47270 FOLDER 336 A60629 41743879078308 COMINT RELATIONS WITH THIRD PARTIES 13 APRIL 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 4/13/1954 1 47270 FOLDER 336 A60638 41743909078311 ELECTRICAL MESSAGE FROM CHAIRMAN, USCIB TO CHAIRMAN, LSIB, MSG NR: WL 205, 12 APRIL 1954; COMINT ARRANGEMENTS 4/12/1954 2 47270 FOLDER 336 A60640 41743939078314 COMINT RELATIONS WITH THIRD PARTIES, 12 APRIL 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 4/12/1954 1 47270 FOLDER 336 A60643 41743969078317 PROPOSED COMINT ARRANGEMENTS, 2 APR 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 4/1/1954 5 47270 FOLDER 336 A60644 41743989078319 COMINT ARRANGEMENTS WITH THIRD PARTIES, 12 MARCH 1954; ITEM 4 OF THE AGENDA FOR THE 101ST MEETING OF USCIB, HELD ON 12 MARCH 1954 3/12/1954 3 47270 FOLDER 336 A60646 41744009078321 COMINT ARRANGEMENTS, 9 MARCH 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 3/9/1954 5 47270 FOLDER 335 A60650 41744019078322 RELEASE OF INFORMATION CONCERNING THIRD PARTY ARRANGEMENTS, 28 JUNE 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 6/28/1955 3 47270 FOLDER 335 A60651 41744039078324 TERMS OF REFERENCE FOR COMINT NEGOTIATIONS, 2 NOVEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 11/2/1954 1 47270 FOLDER 335 A60652 41787629082664 COMINT ARRANGEMENTS, 28 OCTOBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 10/28/1954 10 47270 FOLDER 335 A60655 41744099078330 TERMS OF REFERENCE FOR COMINT NEGOTIATIONS, 18 OCTOBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 10/18/1954 1 47270 FOLDER 335 A60656 41744119078332 TERMS OF REFERENCE FOR NEGOTIATING A NEW COMINT AGREEMENT, 13 OCTOBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 10/13/1954 6 47270 FOLDER 108 A60661 41741369078061 A NEW STEPPING SYSTEM 8/8/1958 7 47270 FOLDER 335 A60663 41744139078334 TERMS OF REFERENCE FOR COMINT NEGOTIATIONS (AD HOC COMMITTEE REPORT) (USCIB 29.16/4), 10 SEPTEMBER 1954; MINUTES OF USCIB MEETING 9/10/1954 3 47270 FOLDER 108 A60669 41741389078062 MEMORANDUM FOR THE RECORD - HAGELIN NEGOTIATIONS 12/18/1957 29 47270 FOLDER 335 A60671 41744169078337 TERMS OF REFERENCE FOR NEGOTIATING A NEW COMINT AGREEMENT, 13 OCTOBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 10/13/1954 6 47270 FOLDER 335 A60674 41744189078339 DRAFT COPY - MINIMUM SECURITY STANDARDS FOR THE CLASSIFICATION, TRANSMISSION AND PHYSICAL SECURITY OF COMINT, 5 OCT 1954; GUIDANCE ON CLASSIFICATION OF COMINT10/5/1954 MATERIAL 4 47270 FOLDER 335 A60675 41744209078341 TERMS OF REFERENCE FOR COMINT NEGOTIATIONS, 14 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/14/1954 1 47270 FOLDER 108 A60676 41787699082670 MEMORANDUM FOR RECORD - HAGELIN M-209 12/15/1958 4 47270 FOLDER 335 A60679 41744229078343 TERMS OF REFERENCE FOR U.S. COMINT NEGOTIATIONS, 3 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/3/1954 1 47270 FOLDER 108 A60683 41741509078074 PATENT FOR - CRYPTOGRAMMIC CODING AND DECODING APPARATUS 9/16/1958 8 47270 FOLDER 335 A60684 41745559078476 TERMS OF REFERENCE FOR NEGOTIATING A NEW COMINT AGREEMENT, 2 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/2/1954 16 47270 FOLDER 335 A60689 41745579078478 ITEM 2 TERMS OF REFERENCE FOR THE NEGOTIATION AND IMPLEMENTATION OF A NEW COMINT AGREEMENT, 13 AUGUST 1954; 106TH USCIB MEETING MINUTES 8/13/1954 6 47270 FOLDER 108 A60694 41741429078066 POCKET CODER FOR THE DIPLOMAT ON THE MOVE 10/17/1958 5 47270 FOLDER 335 A60696 41745609078481 STATEMENT BY DIRECTOR REGARDING COMINT COLLABORATION, 1954; DIRECTORS THOUGHTS 1/1/1954 3 47270 FOLDER 108 A60700 41742709078191 ISSUE OF CONVERTER M-209 TO FOREIGN NATIONS 2/17/1949 2 47270 FOLDER 335 A60701 41745639078483 UKUSA COMINT RELATIONS, 3 MAY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 5/3/1954 2 47270 FOLDER 335 A60710 41745659078486 COMINT RELATIONS, 22 APRIL 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 4/22/1954 4 47270 FOLDER 108 A60712 41742959078216 FRIEDMAN LETTER - HAGELIN MACHINES 12/15/1958 5 47270 FOLDER 108 A60722 41742999078220 FRIEDMAN LETTER TO HAGELIN ABOUT M-209 CONVERTER 10/22/1958 1 47270 FOLDER 108 A60725 41743029078223 HAGELIN LETTER TO WILLIAM F. FRIEDMAN - M-209 PATENT 10/13/1958 5 47270 FOLDER 108 A60735 41742729078193 FRIEDMAN LETTER TO HAGELIN - DR. HELL'S MACHINE 10/1/1958 2 47270 FOLDER 108 A60741 41742799078200 HAGELIN LETTER TO FRIEDMAN - BIRTHDAY GREETING AND OTHER CHAT 9/20/1958 3

UNCLASSIFIED 74 UNCLASSIFIED

47270 FOLDER 108 A60746 41742749078195 HAGELIN CORRESPONDENCE TO FRIEDMAN- HELL'S KEY GENERATOR 9/13/1958 1 47270 FOLDER 108 A60751 41743059078226 HAND WRITTEN NOTES ON A REPORT; QUESTION OF CONSULTANT STATUS 9/12/1958 1 47270 FOLDER 108 A60778 41742769078197 LETTER FROM HAGELIN TO WILLIAM FRIEDMAN 9/30/1958 1 47270 FOLDER 108 A60786 41742839078203 FRIEDMAN CORRESPONDENCE TO HAGELIN 8/16/1958 2 47270 FOLDER 108 A60798 41742859078206 HAGELIN LETTER TO FRIEDMAN 8/16/1958 2 47270 FOLDER 108 A60809 41743079078228 WILLIAM F. FRIEDMAN LETTER TO B. HAGELIN 8/8/1958 2 47270 FOLDER 108 A60812 41743109078231 LETTER FROM BORIS HAGELIN TO WILLIAM F. FRIEDMAN 7/28/1958 1 47270 FOLDER 108 A60814 42037899107671 FRIEDMAN MEMORANDUM FOR DEPUTY DIRECTOR AND DIRECTOR, NSA CONCERNING POCKET CODER; INVOLVES BORIS HAGELIN 7/19/1958 1 47270 FOLDER 108 A60817 41743319078252 LETTER TO BORIS HAGELIN FROM WILLIAM FRIEDMAN 7/20/1958 1 47270 FOLDER 108 A60823 41743249078245 HAGELIN LETTER TO FRIEDMAN 6/29/1958 2 47270 FOLDER 107 A60830 41743169078237 MEMO ROUTING SLIP - COPIES OF SOME REPORT 9/22/1954 2 47270 FOLDER 107 A60837 41743209078242 SURVEY OF WHERE MECHANIZED OPERATION CAN BENEFIT THE COMINT EFFORT ON LITERAL TEXTS 8/27/1954 33 47270 FOLDER 107 A60843 41743129078234 SOME CIRCUMSTANCES UNDER WHICH AUTOMATIC OPERATION CAN BENEFIT THE CRYPTANALYTIC EFFORT 6/16/1954 9 47270 FOLDER 361 A60884 41749239078842 DATA TRANSMISSION SECURITY EQUIPMENTS, AIR REQUIREMENTS 4/3/1952 1 47270 FOLDER 361 A60890 41749259078844 U.K. CYPHER POLICY BOARD 8/22/1951 2 47270 FOLDER 334 A60897 41745689078489 COMINT RELATIONS WITH THIRD PARTIES TO UKUSA, 19 APRIL 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 4/19/1955 4 47270 FOLDER 334 A60898 41745699078490 COMINT CAPABILITY TO PROVIDE EARLY WARNING OF ATTACK ON FORMOSA, 8 APRIL 1955; MINUTES OF USCIB MEETING 4/8/1955 1 47270 FOLDER 334 A60900 41745729078493 BASE RIGHTS (USCIB 29.13/3; USCIB 29.13/4), 22 OCTOBER 1954; MINUTES OF USCIB MEETING 10/22/1954 1 47270 FOLDER 334 A60901 41745749078494 BASE RIGHTS; MEMORANDUM FOR THE MEMBERS OF USCIB 10/25/1954 1 47270 FOLDER 334 A60902 41745769078497 BASE RIGHTS, 19 OCTOBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 10/19/1954 2 47270 FOLDER 334 A60903 41745789078499 BASE RIGHTS, 30 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/30/1954 3 47270 FOLDER 334 A60904 41745829078502 THIRD PARTY, 10 JUNE 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 6/10/1954 2 47270 FOLDER 334 A60905 41745859078505 THIRD PARTY, 13 APRIL 1954; MEMORANDUM FOR THE MEMBERS OF THE USCIB 4/13/1954 3 47270 FOLDER 333 A60906 41745889078509 RELEASE OF CCM EQUIPMENTS, 25 APRIL 1955; MEMORANDUM TO THE MEMBERS OF USCIB 4/25/1955 3 47270 FOLDER 333 A60907 41745919078511 COMINT RELATIONS, 4 MARCH 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 3/4/1955 1 47270 FOLDER 333 A60909 41745929078513 PROSPECTUSES OF CRYPTANALYTIC TRAINING, 18 FEBRUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/18/1955 2 47270 FOLDER 333 A60910 41745969078517 PROSPECTUSES OF CRYPTANALYTIC TRAINING, 8 FEBRUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/8/1955 1 47270 FOLDER 333 A60911 41745999078519 COMINT RELATIONS/PROSPECTUSES OF CRYPTANALYTIC TRAINING, 1 FEBRUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/1/1955 7 47270 FOLDER 333 A60913 41746029078523 COMINT RELATIONS, 3 JANUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 1/3/1955 4 47270 FOLDER 333 A60918 41746059078526 U.S. RELATIONS (USCIB 29.11/8; 29.11/10), 12 NOVEMBER 1954; MINUTES OF USCIB MEETING 11/12/1954 5 47270 FOLDER 333 A60920 41746079078527 IMPROVEMENT OF COMMUNICATIONS SECURITY, 8 NOVEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 11/8/1954 3 47270 FOLDER 333 A60921 41746089078529 COMINT RELATIONS, 5 NOVEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 11/5/1954 4 47270 FOLDER 333 A60922 41746119078532 COMINT RELATIONS, 3 NOVEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 11/3/1954 4 47270 FOLDER 333 A60923 41746139078534 INTERCEPT FACILITIES, 12 JULY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 7/12/1954 4 47270 FOLDER 333 A60925 41746159078536 U.S. INTERCEPT BASE RIGHTS, 12 MARCH 1954; MINUTES OF 12 MARCH 1954 USCIB MEETING 3/12/1954 2 47270 FOLDER 333 A60926 41746169078537 U.S. INTERCEPT BASE RIGHTS, 26 FEBRUARY 1954; ITEM 1 OF THE AGENDA FOR THE ELEVENTH MEETING OF USCIBEC, HELD ON 26 FEBRUARY 1954 2/26/1954 2 47270 FOLDER 107 A60928 41743419078275 CRYPTANALYTIC MACHINES IN NSA 5/30/1953 365 47270 FOLDER 333 A60931 41746189078539 U.S. INTERCEPT BASE RIGHTS, 2 MARCH 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 3/2/1954 1 47270 FOLDER 332 A60934 41746199078540 INTERCEPT BASE RIGHTS, 22 JULY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 7/22/1955 1 47270 FOLDER 332 A60935 41746219078542 INTERCEPT BASE RIGHTS, 13 JULY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 7/13/1955 1 47270 FOLDER 332 A60936 41787729082673 INTERCEPT BASE RIGHTS, 22 JUNE 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 6/22/1955 3 47270 FOLDER 332 A60939 41746269078547 INTERCEPT BASE RIGHTS (USCIB 29.9/8), 12 NOVEMBER 1954; MINUTES OF USCIB MEETING ON 12 NOVEMBER 1954 11/12/1954 2 47270 FOLDER 332 A60941 41746299078550 BASE RIGHTS NEGOTIATIONS, 13 OCTOBER 1954; MINUTES OF USCIB MEETING ON 13 OCTOBER 1954 10/13/1954 1 47270 FOLDER 332 A60943 41746319078552 INTERCEPT BASE RIGHTS, 4 NOVEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 11/4/1954 2 47270 FOLDER 360 A60944 41749279078847 IDEAS FOR THE ESTABLISHMENT OF AN ATLANTIC INTERCEPT SERVICE 6/1/1951 77 47270 FOLDER 359 A60947 41749309078849 REPORT OF SUBCOMMITTEE ON ESTABLISHMENT OF A UNIFIED GLOBAL OR STRATEGIC COMMUNICATIONS NETWORK 5/7/1947 8 47270 FOLDER 332 A60948 41746349078554 INTERCEPT BASE RIGHTS, 21 SEPTEMBER 1954; MINUTES OF USCIB MEETING ON 21 SEPTEMBER 1954 9/21/1954 4 47270 FOLDER 359 A60951 41749329078851 TRANSMITTAL OF PHOTOSTATS 5/8/1947 1 47270 FOLDER 359 A60954 41749349078853 COMMENT REGARDING ASA RESEARCH AND DEVELOPMENT ACTIVITIES FOR INCLUSION IN WAR DEPARTMENT RESEARCH AND DEVELOPMENT PROGRAM, FISCAL YEAR 1949 5/9/1947 10 47270 FOLDER 359 A60955 41749369078855 COMMUNICATIONS SECURITY EQUIPMENT (SECTION XIV)--DRAFT 5/23/1947 7

UNCLASSIFIED 75 UNCLASSIFIED

47270 FOLDER 359 A60958 41749389078858 IDEAS FOR THE ESTABLISHMENT OF AN ATLANTIC INTERCEPT SERVICE (DF 249-SUPPLEMENT) 8/1/1951 5 47270 FOLDER 359 A60959 41749429078861 SOURCES OF TRAFFIC - ARMED FORCES SECURITY AGENCY 2/18/1952 7 47270 FOLDER 332 A60960 41787749082675 INTERCEPT BASE RIGHTS, 15 SEPTEMBER 1954; MINUTES OF USCIB MEETING ON 15 SEPTEMBER 1954 9/15/1954 4 47270 FOLDER 359 A60961 41749459078864 BRUSA GLOBAL COMINT PLANS--DRAFT 1/10/1952 3 47270 FOLDER 332 A60962 41746399078560 INTERCEPT BASE RIGHTS, 30 SEP 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/30/1954 1 47270 FOLDER 359 A60963 41749469078866 GLOBAL COMINT PLANNING 7/25/1951 18 47270 FOLDER 359 A60965 41749139078832 A PLAN FOR AFSA FIELD ACTIVITIES OVERSEAS--DRAFT 7/25/1951 9 47270 FOLDER 332 A60966 41787799082680 INTERCEPT BASE RIGHTS, 27 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/27/1954 5 47270 FOLDER 359 A60969 41749509078869 STATUS OF U.S. CONSIDERATION OF PROPOSALS 1/26/1951 3 47270 FOLDER 332 A60971 41746509078571 INTERCEPT BASE RIGHTS, 17 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/17/1954 4 47270 FOLDER 359 A60972 41749569078875 OUTLINE OF TALK ON GLOBAL STRUCTURE IN WAR 6/1/1951 8 47270 FOLDER 359 A60974 41749539078872 REQUEST FOR DATA RELATING TO GLOBAL COMINT STRUCTURE 12/18/1950 2 47270 FOLDER 359 A60976 41749599078878 COMINT COLLABORATION 12/7/1950 6 47270 FOLDER 332 A60977 41746549078574 NEGOTIATIONS FOR INTERCEPT BASE RIGHTS, 17 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/17/1954 3 47270 FOLDER 359 A60979 41749629078881 YOUR MEMO TO DIRAFSA: SUBJECT - "GLOBAL STRUCTURE FOR U.S. COMINT ACTIVITIES" 12/1/1950 1 47270 FOLDER 331 A60980 41730229076947 GOVERNMENT COMMUNICATIONS UNITS IN INTERNATIONAL HEADQUARTERS IN PEACETIME, 25 JANUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 1/25/1955 3 47270 FOLDER 359 A60984 41749659078884 PROPOSED GLOBAL STRUCTURE FOR U.S. MILITARY COMINT ACTIVITIES 12/14/1950 2 47270 FOLDER 359 A60986 41749689078893 INTERIM REPORT OF AD HOC COMMITTEE ON GLOBAL COMINT 4/4/1951 94 47270 FOLDER 110 A60995 41743639078284 BORIS HAGELIN AND A BRIEF HISTORY OF THE COMPANY (A.B. CRYPTOGRAPH) HE ACQUIRED 1/1/1971 3 47270 FOLDER 106 A60998 41743689078291 BRIEF DESCRIPTION OF ANALYTIC MACHINE FOURTH INSTALLMENT 9/20/1954 66 47270 FOLDER 358 A61000 41749849078902 MONTHLY MEETING OF THE PERSONNEL DEVELOPMENT BOARD 4/4/1955 3 47270 FOLDER 358 A61001 41749859078903 MONTHLY MEETING OF PERSONNEL DEVELOPMENT BOARD 3/4/1955 2 47270 FOLDER 358 A61002 41749879078906 PERSONNEL DEVELOPMENT BOARD 2/7/1955 3 47270 FOLDER 358 A61004 41749899078908 PERSONNEL DEVELOPMENT BOARD 2/7/1955 1 47270 FOLDER 358 A61005 41749919078910 AMENDMENT OF GENERAL ORDERS 2/7/1955 1 47270 FOLDER 358 A61007 41749939078912 MONTHLY MEETING OF PERSONNEL DEVELOPMENT BOARD 12/31/1954 1 47270 FOLDER 358 A61009 41749959078914 PROPOSAL FOR PERSONNEL DEVELOPMENT BOARD STUDY OF MANAGEMENT TRAINING OF EXECUTIVES AT OUTSIDE INSTITUTIONS 12/28/1954 2 47270 FOLDER 358 A61012 41749989078916 NATIONAL SECURITY AGENCY PERSONNEL DEVELOPMENT BOARD 12/28/1954 7 47270 FOLDER 358 A61014 41750009078919 NATIONAL SECURITY AGENCY PERSONNEL DEVELOPMENT BOARD 12/29/1954 2 47270 FOLDER 358 A61017 41750029078921 NATIONAL SECURITY AGENCY TRAINING AND DEVELOPMENT OPPORTUNITIES 1/1/1955 3 47270 FOLDER 112 A61019 41743789078300 NAVY CIVILIAN PERSONNEL INSTRUCTIONS 10/10/1949 11 47270 FOLDER 358 A61020 41750039078922 NSA FELLOWSHIP STUDY PROGRAM 12/30/1954 4 47270 FOLDER 358 A61021 41750069078925 NSA PROGRAMS UTILIZING UNIVERSITY FACILITIES 1/1/1955 1 47270 FOLDER 331 A61026 41729479076873 DISCLOSURE OF DETAILS OF ROCKEX BY THE U.K., 30 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS OF THE USCIB/USCSB 9/30/1954 1 47270 FOLDER 331 A61029 41730189076943 DISCLOSURE OF DETAILS OF ROCKEX, 20 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 9/20/1954 3 47270 FOLDER 331 A61032 41730659076990 RELEASE OF ASAM-7 TO NATO NATIONS, 15 JULY 1954; MEMORANDUM FOR THE MEMBERS OF THE USCIB/USCSB 7/15/1954 3 47270 FOLDER 331 A61034 41746599078578 RELEASE OF AFSAM-7 TO NATO NATIONS; MINUTES OF JOIN SESSION OF USCIB/USCSB ON 3 JUNE 1954 6/3/1954 2 47270 FOLDER 331 A61035 41746629078582 APPROVAL OF USCIB 29.2/6 DATED 4 JUNE 1954, 15 JUNE 1954; MEMORANDUM FOR MEMBERS OF USCIB 6/15/1954 1 47270 FOLDER 331 A61038 41746649078584 RELEASE OF AFSAM-7 TO NATO NATIONS, 4 JUNE 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 6/4/1954 2 47270 FOLDER 331 A61042 41746679078586 RELEASE OF AFSAM-7 TO NATO NATIONS, 14 MAY 1954; MINUTES OF 103RD MEETING OF USCIB 5/14/1954 2 47270 FOLDER 331 A61043 41746699078589 COMMUNICATIONS SECURITY, 14 MAY 1954; MINUTES OF USCIB MEETING ON 14 MAY 1954 5/14/1954 2 47270 FOLDER 331 A61046 41746739078593 RELEASE OF AFSAM-7 TO NATO NATIONS, 27 MAY 1954; MEMORANDUM FOR MEMBERS OF THE USCIB 5/27/1954 4 47270 FOLDER 331 A61051 41746759078595 RELEASE OF THE AFSAM-7 TO NATO NATIONS, 20 MAY 1954; MEMORANDUM FOR THE MEMBERS OF THE USCSB 5/20/1954 1 47270 FOLDER 331 A61055 41746789078598 RELEASE OF AFSAM-7 TO NATO NATIONS, 10 MAY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 5/10/1954 1 47270 FOLDER 331 A61057 41746819078601 RELEASE OF AFSAM-7 TO NATO NATIONS, 3 MAY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 5/3/1954 3 47270 FOLDER 331 A61062 41746849078604 RELEASE OF AFSAM-7 TO NATO NATIONS, 01 JANUARY 1954; MEMORANDUM FOR THE BRITISH CRYPTOGRAPHIC LIAISON OFFICER 1/1/1954 1 47270 FOLDER 330 A61067 41746869078606 DEMONSTRATION OF THE ASAM 2-1, 31 MARCH 1954; MEMORANDUM FOR RECORD 3/31/1954 2 47270 FOLDER 330 A61073 41746909078611 OUTLINE OF PROCEDURE AND TOPICS FOR US TSWG REPRESENTATIVE, 19 MARCH 1954; POINTS TO BE RAISED IN DISCUSSION WITH FRENCH COMSEC PERSONNEL 3/19/1954 13 47270 FOLDER 330 A61076 41746949078613 RELEASE OF AFSAM-7, 26 FEBRUARY 1954; MEMO FROM BRITISH CRYPTO LIAISON OFFICER TO DIRNSA 2/26/1954 1 47270 FOLDER 357 A61079 41750089078927 REORGANIZATION OF COMMUNICATIONS SECURITY 12/31/1954 3

UNCLASSIFIED 76 UNCLASSIFIED

47270 FOLDER 330 A61081 41746969078615 ITEM 2 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES; 100TH USCIB MEETING MINUTES 1/1/1954 2 47270 FOLDER 330 A61084 41746989078618 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 18 AUGUST 1953; MEMORANDUM FOR THE MEMBERS OF USCIBEC 8/18/1953 4 47270 FOLDER 330 A61098 41746999078619 U.K. MEMBERSHIP ON THE COMBINED WORKING GROUP (CWG) FOR THE IMPROVEMENT OF ALLIED (NATO) COMSEC, 24 FEBRUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB2/24/1955 1 47270 FOLDER 330 A61102 41732099077133 CHANGE IN MEMBERSHIP ON THE USCIB AD HOC COMMITTEE AND COMBINED WORKING GROUP FOR THE IMPROVEMENT OF NATO COMMUNICATIONS SECURITY, 24 JANUARY 1955;1/24/1955 MEMORANDUM FOR THE1 MEMBERS OF USCIB 47270 FOLDER 330 A61104 41732319077155 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES (FRANCE); MEMORANDUM FOR THE MEMBERS OF USCIB 9/24/1954 2 47270 FOLDER 330 A61106 41732549077177 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 13 JULY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 7/13/1954 2 47270 FOLDER 357 A61110 41750109078931 THE NATIONAL COMMUNICATIONS SECURITY MATERIEL PROGRAM 11/5/1954 25 47270 FOLDER 330 A61112 41747019078621 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 6 JULY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 7/6/1954 3 47270 FOLDER 357 A61115 41750149078933 OFFICE OF COMMUNICATION SECURITY MANUAL--ORGANIZATION AND FUNCTIONS 1/1/1954 34 47270 FOLDER 330 A61117 41732259077149 PROGRAM TO IMPROVE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 28 JUNE 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 6/28/1954 18 47270 FOLDER 330 A61127 41747869078706 PROGRAM TO IMPROVE COMMUNICATIONS SECURITY OF NATO COUNTRIES (ORAL REPORT), 14 MAY 1954; MINUTES OF 14 MAY 1954 USCIB MEETING 5/14/1954 3 47270 FOLDER 330 A61130 41747879078707 IMPROVEMENT OF ALLIED (NATO) COMMUNICATIONS SECURITY, 25 MAY 1954; MEMORANDUM FOR THE MEMBERS OF THE USCIB 5/25/1954 1 47270 FOLDER 330 A61136 41732089077131 APPROACH TO FRENCH ON NATO COMSEC, 9 APRIL 1954; MINUTES OF USCIB MEETING OF 9 APRIL 1954 4/9/1954 2 47270 FOLDER 330 A61138 41732129077135 COMMUNICATIONS SECURITY, 12 MARCH 1954; MINUTES OF A USCIB MEETING HELD ON 12 MARCH 1954 3/12/1954 1 47270 FOLDER 356 A61142 41750179078939 BRIEF HISTORY OF CONSIDO 1/22/1954 116 47270 FOLDER 356 A61152 41750279078947 COMMENTS ON LATEST DRAFT DIRECTIVE FOR CONSIDO 1/13/1950 26 47270 FOLDER 356 A61155 41750239078942 MAXIMUM EXPLOITATION OF COMINT 6/15/1949 4 47270 FOLDER 330 A61157 41732199077143 PROGRAM FOR THE IMPROVEMENT OF NATO COMSEC (APPROACH TO THE FRENCH), 24 MARCH 1954`; MEMORANDUM FOR THE MEMBERS OF USCIB 3/24/1954 2 47270 FOLDER 330 A61162 41732439077166 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES (USCIB 29.1/6, 29.1/17, 29.3/19), 11 FEBRUARY 1954; MINUTES OF USCIB MEETING OF 11 FEBRUARY2/11/1954 1954 3 47270 FOLDER 330 A61166 41732849077208 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 19 FEBRUARY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 2/19/1954 1 47270 FOLDER 356 A61168 41750319078950 ESTABLISHMENT OF A SINGLE COMMUNICATION INTELLIGENCE EVALUATION AND DISSEMINATION CENTER 5/17/1949 20 47270 FOLDER 330 A61171 41731989077122 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES; MEMORANDUM FOR THE MEMBERS OF USCIB 2/9/1954 1 47270 FOLDER 356 A61172 41750349078953 PROPOSED MEMORANDUM FOR CHAIRMAN, USCIB, SUBJECT: MAXIMUM EXPLOITATION OF COMINT 8/29/1951 12 47270 FOLDER 330 A61175 41731959077119 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 3 FEBRUARY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 2/3/1954 1 47270 FOLDER 330 A61179 41731749077098 LOAN OF ROCKEX CRYPTO SYSTEM, 18 JANUARY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 1/18/1954 2 47270 FOLDER 356 A61181 41750369078955 PROPOSED MEMORANDUM; ESTABLISHMENT OF A JOINT INTELLIGENCE BUREAU 4/11/1949 13 47270 FOLDER 330 A61188 41731529077076 IMPROVEMENT OF COMMUNICATIONS SECURITY FOR THE BERLIN CONFERENCE, 19 JANUARY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 1/19/1954 4 47270 FOLDER 356 A61189 41750399078958 MAXIMUM EXPLOITATION OF COMINT 4/20/1949 12 47270 FOLDER 356 A61194 41750419078961 MAXIMUM EXPLOITATION OF COMINT --DRAFT 4/11/1949 12 47270 FOLDER 330 A61198 41747889078708 TENTATIVE MINUTES, 19 JANUARY 1954; MEMORANDUM FOR MEMBERS OF THE USCIB 1/19/1954 3 47270 FOLDER 356 A61199 41750449078964 CENTRAL EVALUATION, PUBLICATION AND DISSEMINATION OF SIGINT--DRAFTS 3/22/1949 19 47270 FOLDER 330 A61202 41730949077018 IMPROVEMENT OF COMMUNICATIONS SECURITY DURING THE BERLIN CONFERENCE, 11 JANUARY 1954; MINUTES OF USCIB 11 JANUARY 1954 MEETING 1/11/1954 3 47270 FOLDER 330 A61204 41731699077093 LOAN OF ROCKEX CRYPTO SYSTEM, 12 JANUARY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 1/12/1954 2 47270 FOLDER 356 A61210 41750479078966 CENTRAL EVALUATION, PUBLICATION AND DISSEMINATION OF SIGINT--DRAFT 3/3/1949 13 47270 FOLDER 356 A61215 41750509078969 THE INTEGRATION OF COMMUNICATIONS INTELLIGENCE PRODUCTION, EVALUATION, AND DISSEMINATION--DRAFT 1/4/1946 14 47270 FOLDER 356 A61218 41750539078972 ESTABLISHMENT OF PACIFIC STRATEGIC INTELLIGENCE SECTION 11/28/1944 2 47270 FOLDER 356 A61227 41750559078974 REORGANIZATION OF NAVAL INTELLIGENCE 6/26/1943 1 47270 FOLDER 330 A61229 41731489077072 IMPROVEMENT OF COMMUNICATIONS SECURITY DURING BERLIN CONFERENCE, 12 JANUARY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 1/12/1954 3 47270 FOLDER 356 A61230 41750569078975 CONTROL OF DISSEMINATION AND USE OF COMMUNICATION INTELLIGENCE 3/25/1943 3 47270 FOLDER 356 A61232 41750589078977 CONTROL OF DISSEMINATION AND USE OF RADIO INTELLIGENCE 6/20/1942 2 47270 FOLDER 330 A61233 41731819077104 MEETING OF THE AD HOC COMMITTEE FOR THE IMPROVEMENT OF ALLIED (NATO) COMMUNICATIONS SECURITY, 8 JANUARY 1954; MEMORANDUM FOR THE SPECIAL ASSISTANT, INTELLIGENCE1/8/1954 4 47270 FOLDER 330 A61238 41731679077091 LOAN OF ROCKEX CRYPTO SYSTEM FOR THE PERIOD OF THE FOREIGN MINISTERS' CONFERENCE (USCIB 29.1/10), 7 JANUARY 1954; MINUTES OF THE USCIB MEETING CONVENED 7 JANUARY1/7/1954 1954 4 47270 FOLDER 330 A61246 41731639077087 LOAN OF ROCKEX CRYPTO SYSTEM FOR THE PERIOD OF THE FOREIGN MINISTERS' CONFERENCE, 6 JANUARY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 1/6/1954 2 47270 FOLDER 330 A61250 41732049077128 REPORT OF A U.S.-U.K. CONFERENCE ON THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 6 JANUARY 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 1/6/1954 4 47270 FOLDER 330 A61253 41730259076950 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 18 DECEMBER 1953; MEMORANDUM FOR THE MEMBERS OF USCIB 12/18/1953 1 47270 FOLDER 330 A61256 41730339076958 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 16 DECEMBER 1953; MEMORANDUM FOR THE MEMBERS OF USCIB 12/16/1953 2 47270 FOLDER 330 A61267 41730309076955 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 15 DECEMBER 1953; MEMORANDUM FOR THE MEMBERS OF USCIB 12/15/1953 25 47270 FOLDER 356 A61272 41750609078979 OUTLINE OF GCHQ CUSTOMER SUPPORT 1/1/1945 2 47270 FOLDER 356 A61274 41750619078980 NOTES ON MESSAGES RE COMBINING ARMY AND NAVY INTERCEPT AND CRYPTO ACTIVITIES 10/2/1945 1 47270 FOLDER 330 A61275 41730849077008 RELEASE OF THE ADONIS CRYPTOPRINCIPLE TO NATO COUNTRIES, 30 OCTOBER 1953; MEMORANDUM FOR THE MEMBERS OF USCIB 10/30/1953 2

UNCLASSIFIED 77 UNCLASSIFIED

47270 FOLDER 356 A61276 41750649078983 SIGNAL INTELLIGENCE (COMMUNICATION INTELLIGENCE) 10/2/1945 2 47270 FOLDER 330 A61279 41747899078709 ALLIED (NATO) COMMUNICATIONS SECURITY, 9 OCTOBER 1953; MINUTES OF A 9 OCTOBER 1953 USCIB MEETING 10/9/1953 1 47270 FOLDER 356 A61283 41750669078984 OPERATION OF COMBINED NAVAL COMMUNICATION INTELLIGENCE ORGANIZATIONS 1/1/1946 1 47270 FOLDER 330 A61284 41730589076983 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 5 OCTOBER 1953; MEMORANDUM FOR THE MEMBERS OF USCIB 10/5/1953 1 47270 FOLDER 330 A61288 41730209076945 DISCLOSURE OF THE ADONIS (US) CRYPTOPRINCIPLE TO NATO COUNTRIES, 30 SEPTEMBER 1953; MEMORANDUM FOR THE MEMBERS OF USCIB 9/30/1953 3 47270 FOLDER 330 A61293 41787829082683 PROGRAM TO IMPROVE THE COMMUNICATIONS SECURITY OF NATO COUNTRIES, 21 SEPTEMBER 1953; MEMORANDUM FOR THE MEMBERS OF USCIB 9/21/1953 4 47270 FOLDER 329 A61406 41747909078710 COMINT RELATIONS WITH A THIRD PARTY, 20 MAY 1955; MINUTES OF 20 MAY 1955 USCIB MEETING 5/20/1955 1 47270 FOLDER 329 A61408 41747919078711 COMINT RELATIONS WITH A THIRD PARTY (ENTERTAINMENT FUNDS), 22 APRIL 1955; MINUTES OF USCIBEC MEETING OF 22 APRIL 1955 4/22/1955 2 47270 FOLDER 329 A61409 41747929078712 COMINT RELATIONS WITH A THIRD PARTY, 25 FEBRUARY 1955; MINUTES OF USCIBEC 26TH MEETING 2/25/1955 2 47270 FOLDER 329 A61411 41747939078713 COMINT RELATIONS WITH A THIRD PARTY (USCIB 29.5/9), 11 MARCH 1955; MINUTES OF USCIB MEETING OF 11 MARCH 1955 3/11/1955 1 47270 FOLDER 329 A61412 41747949078714 COMINT RELATIONS WITH A THIRD PARTY, 01 MARCH 1955; MEMORANDUM FOR THE MEMBERS OF THE USCIB 3/1/1955 2 47270 FOLDER 329 A61414 41747959078715 COMINT RELATIONS WITH A THIRD PARTY, 21 FEBRUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIBEC 2/21/1955 3 47270 FOLDER 329 A61415 41747969078716 U.S. COMINT RELATIONS WITH A THIRD PARTY, 14 FEBRUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/14/1955 1 47270 FOLDER 329 A61417 41747979078717 U.S. COMINT RELATIONS WITH A THIRD PARTY, 19 JANUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 1/19/1955 15 47270 FOLDER 329 A61420 41747989078718 APPROVAL OF USCIB 29.5/3, DATED 27 OCTOBER 1954, 15 NOVEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 11/15/1954 1 47270 FOLDER 329 A61422 41747999078719 U.S. COMINT RELATIONS, 22 OCTOBER 1954; MINUTES OF USCIB MEETING OF 22 OCTOBER 1954 10/22/1954 1 47270 FOLDER 329 A61424 41748009078720 COMINT RELATIONS WITH A THIRD PARTY; MEMORANDUM FOR THE MEMBERS OF USCIB 10/27/1954 1 47270 FOLDER 329 A61426 41748019078721 U.S. COMINT RELATIONS, 7 OCTOBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 10/7/1954 3 47270 FOLDER 328 A61432 41748059078723 PROCEDURE FOR HANDLING INTERCEPT BASE RIGHTS PROBLEMS (USCIB 29./12, 28 JANUARY 1955; MINUTES OF USCIB MEETING OF 28 JANUARY 1955 1/28/1955 1 47270 FOLDER 328 A61433 41748069078725 PROCEDURE FOR HANDLING BASE RIGHTS PROBLEMS, 15 FEBRUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/15/1955 1 47270 FOLDER 328 A61435 41748079078726 PROCEDURE FOR HANDLING INTERCEPT BASE RIGHTS PROBLEMS, 1 FEBRUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 2/1/1955 4 47270 FOLDER 328 A61449 41748099078727 PROCEDURE FOR HANDLING INTERCEPT BASE RIGHTS PROBLEMS; MEMORANDUM FOR THE MEMBERS OF USCIB 11/24/1954 2 47270 FOLDER 328 A61451 41748109078728 PROCEDURE FOR HANDLING MATTERS AFFECTING COMINT RELATIONS WITH THIRD PARTIES TO THE UKUSA AGREEMENT, 22 NOVEMBER 1954; MEMORANDUM FOR THE MEMBERS11/22/1954 OF USCIB 1 47270 FOLDER 328 A61453 41748119078730 PROCEDURE FOR HANDLING INTERCEPT BASE RIGHTS PROBLEMS, 22 OCTOBER 1954; MINUTES OF USCIB MEETING HELD 22 OCTOBER 1954 10/22/1954 2 47270 FOLDER 328 A61455 41748129078731 PROCEDURE FOR HANDLING INTERCEPT BASE RIGHTS PROBLEMS, 18 OCTOBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIBEC 10/18/1954 2 47270 FOLDER 328 A61458 41748139078732 PROCEDURE FOR HANDLING INTERCEPT BASE RIGHTS PROBLEMS, 28 OCTOBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 10/28/1954 2 47270 FOLDER 328 A61490 41748149078733 PROCEDURE FOR HANDLING MATTERS INVOLVING BASE RIGHTS FOR INTERCEPT ACTIVITIES IN FOREIGN COUNTRIES; MEMORANDUM FOR THE MEMBERS OF USCIBEC 10/5/1954 1 47270 FOLDER 328 A61492 41748169078735 PROCEDURES FOR HANDLING MATTERS AFFECTING COMINT RELATIONS WITH THIRD PARTIES TO THE UKUSA AGREEMENT, 21 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS9/21/1954 OF USCIBEC 1 47270 FOLDER 328 A61494 41748179078736 PROCEDURE FOR HANDLING MATTERS INVOLVING BASE RIGHTS FOR INTERCEPT ACTIVITIES IN FOREIGN COUNTRIES, 21 SEPTEMBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIB9/21/1954 1 47270 FOLDER 327 A61498 41748199078737 REPORT BY ADVANCER AD HOC GROUP, 2 NOVEMBER 1951; MEMORANDUM FOR THE MEMBERS OF USCIB 11/2/1951 4 47270 FOLDER 326 A61508 41748219078739 REPORT BY THE AD HOC GROUP OF THE INTERDEPARTMENTAL COMMITTEE ON INTERNAL SECURITY (ICIS) ENTITLED "RADIO SECURITY IN THE UNITED STATES", 4 MAY 1954; MEMORANDUM5/4/1954 FOR THE MEMBERS2 OF USCIB 47270 FOLDER 325 A61515 41748239078741 REPORT BY DIRNSA ON RELATIONSHIP OF DEPARTMENT OF DEFENSE ECONOMY PROGRAM TO NSA PRODUCTION, 28 MAY 1953; MINUTES OF 28 MAY 1953 USCIB MEETING 5/28/1953 1 47270 FOLDER 325 A61518 41748249078742 NSA RESEARCH AND DEVELOPMENT PROGRAM, 8 APRIL 1955; MINUTES OF USCIB MEETING OF 8 APRIL 1955 4/8/1955 2 47270 FOLDER 324 A61527 41748269078744 STENAFAX DUPLICATING MACHINE, 28 APRIL 1954; MEMORANDUM FOR THE MEMBERS OF USCIB 4/28/1954 3 47270 FOLDER 337 A61558 41748279078745 NOTE 1: EXCERPT FROM: DTG191448Z JAN 53, GCHQ TO SLO WASHINGTON, NOTE 2; EXCERPT FROM: LETTER OF 18 FEBRUARY 1953 FROM F.B. ROWLETT TO ADM J. N. WENGER; EXCERPTS1/19/1953 OF NOTES ON COMINT1 EXCHANGES 47270 FOLDER 336 A61562 41748329078750 ITEM 4 COMINT RELATIONS WITH THIRD PARTIES 4/29/1954 3 47270 FOLDER 328 A61564 41748339078752 PROCEDURE FOR HANDLING INTERCEPT BASE RIGHTS PROBLEMS, 21 JANUARY 1955; MEMORANDUM FOR THE MEMBERS OF USCIBEC 1/21/1955 11 47270 FOLDER 328 A61566 41748359078753 PROCEDURE FOR HANDLING INTERCEPT BASE RIGHTS PROBLEMS, 18 OCTOBER 1954; MEMORANDUM FOR THE MEMBERS OF USCIBEC 10/18/1954 5 47270 FOLDER 327 A61567 41748299078747 EVALUATION OF PLAN ADVANCER, 4 MAY 1955; MEMORANDUM FOR THE MEMBERS OF USCIB 5/4/1955 47 47270 FOLDER 111 A61596 41743819078302 PROPOSALS FOR MODIFICATION OF HEBERN ELECTRIC CODE MACHINE 2/23/1924 4 47270 FOLDER 111 A61601 41743859078306 INVENTION APPLICATION - CONTROL CIRCUITS FOR ELECTRIC CODING MACHINES 12/15/1944 2 47270 FOLDER 111 A61605 41743889078309 PATENT APPLICATION FOR ECM MARK LL 1/13/1943 4 47270 FOLDER 108 A61614 41742889078209 PERSONAL LETTER FROM BORIS HAGELIN TO WILLIAM FRIEDMAN 11/19/1958 4 47270 FOLDER 110 A61622 41743929078313 NOTES AND DRAFT OF HISTORICAL RECORD OF BORIS HAGELIN 1/1/1970 12 47270 FOLDER 110 A61628 42030699106951 DRAFT OF HISTORICAL RECORD FOR BORIS HAGELIN WITH BIBLIOGRAPHY 1/1/1970 14 47270 FOLDER 011 A61730 41698709073804 MOTION PICTURE PROJECT 3809 AND FILM STRIP PROJECT B-43-5 ON SIGNAL SECURITY AGENCY ACTIVITIES FOR HISTORICAL PURPOSES; SUBJECT PROJECT ABANDONED AFTER SOME 1/4/1946348 FEET OF COLOR FILM8 HAD BEEN TAKEN OF THE ARMY SECURITY AGENCY (THEN SIGNAL SECURITY AGENCY) 47270 FOLDER 011 A61733 41698719073805 AUTHORIZATION FOR CAPT L.M. BARKER AND CAPT R.F. PURINTON TO VIEW TOP SECRET MATERIAL FOR FILM PROJECT 1/2/1945 1 47270 FOLDER 011 A61738 41698729073806 COMBAT PHOTOGRAPHY PERTAINING TO TRAINING SUBJECTS; REQUEST FOR BETTER STAFF PLANNING AND SUPERVISION OF COMBAT PHOTOGRAPHY FOR TRAINING PURPOSES 11/29/1944 2 47270 FOLDER 010 A61742 41698739073807 AFSA TABLE OF PERSONNEL AUTHORIZATIONS, JAN 1952 1/4/1952 3 47270 FOLDER 010 A61751 41698749073808 EDYTHE B. YOUNG, APPLICATION FOR ENROLLMENT IN ASA EXTENSION COURSES; APPLICATION AND APPROVAL FOR SERIES SUB-COURSES IN CRYPTOLOGY STARTING WITH 10-5 3/11/1952 3

UNCLASSIFIED 78 UNCLASSIFIED

47270 FOLDER 010 A61757 41758519079765 REQUEST FOR PERSONNEL ACTION, 17 JUL 1951; REQUEST FOR INFORMATION AND EDITORIAL CLERK (STENOGRAPHY) 7/17/1951 1 47270 FOLDER 010 A61761 41758509079764 REQUEST FOR PERSONNEL ACTION - FRIEDMAN SECRETARY; CANCELLATION OF REQUEST FOR CLERK-STENOGRAPHER PENDING AFSA-OOT-3 ACTION 3/22/1951 3 47270 FOLDER 008 A61766 41698779073811 INDEX TO ASA FILES, OCT 1950; PUBLICITY-CRYPTOGRAPHIC, LEGISLATION, FINANCE & ACCOUNTING, PERSONNEL, ADMINISTRATION, CORRESPONDENCE, HISTORIES, REPORTS, TRAINING,10/27/1950 CONFERENCES 7 47270 FOLDER 001 A61782 41758469079760 A STUDY WITH RESPECT TO THE DUTIES OF THE CHIEF SIGNAL OFFICER; CHRONOLOGY OF EVENTS; ; QUESTION AS TO WHETHER THE PRESENT SIGNAL INTELLIGENCE SERVICE IS A FIELD1/30/1939 OR DEPARTMENTAL AGENCY14 47270 FOLDER 031 A62298 41698909073824 LETTER FM FRIEDMAN TO GILES GREVILLE HEALEY: DISCUSSES THE BOOK "THE AMERICAN BLACK CHAMBER" BY YARDLEY 8/10/1955 2 47270 FOLDER 031 A62325 41698949073828 FRIEDMAN LETTER: TO PROFESSOR GEORGE E MCCRACKEN TALKS ABOUT HIS RETIREMENT FROM CIVIL SERVICE 8/10/1955 2 47270 FOLDER 031 A62327 41698959073829 FRIEDMAN LETTER: TO MISS MARY G. CHAMBERS TALKS ABOUT GLOVES AND OBTAINING MORE ENGLISH SNUFF 8/10/1955 1 47270 FOLDER 031 A62331 41698969073830 FRIEDMAN LETTER: TO COLONEL A C PETERSON TALKS ABOUT THE ARRIVAL OF THE GERMAN BOOK WHICH COST $4.72 AND THE WASHINGTON HOT WEATHER 8/10/1955 1 47270 FOLDER 031 A62338 41698989073832 FRIEDMAN LETTER: TO MR. JOHN RIORDAN - TALKS ABOUT SOMEONE WHO COULD ACT AS A PURCHASING AGENT FOR BOOKS IN GERMANY 8/10/1955 1 47270 FOLDER 031 A62343 41699009073834 FRIEDMAN LETTER: TO COLONEL MAULSBY FORREST - TALKS ABOUT OBTAINING EMPLOYMENT ON A RESEARCH PROJECT 8/10/1955 2 47270 FOLDER 031 A62347 41699019073835 FRIEDMAN LETTER: TO MRS. M H MACKAY - TALKS ABOUT NOT RECEIVING A FINAL PROOF OF AN ARTICLE FRIEDMAN WROTE 8/9/1955 1 47270 FOLDER 031 A62349 41699029073836 FRIEDMAN LETTER: OFFICERS HONORARY RETIRED LIST 8/9/1955 1 47270 FOLDER 031 A62352 41699039073837 FRIEDMAN LETTER: TO DR H P ROBERTSON TALKS ABOUT GENERAL CANINE LIFTING THE EMBARGO RE WORK AT HOME 8/9/1955 1 47270 FOLDER 031 A62355 41699049073838 FRIEDMAN LETTER: TO DR JOHN VON NEUMANN TALKS ABOUT RETIRING AND STILL WORKING FOR NSA/DOD 8/5/1955 1 47270 FOLDER 031 A62356 41699059073839 FRIEDMAN LETTER: TO EDITOR SCIENTIFIC AMERICAN TALKS ABOUT THREE THINGS HE WANTS TO DISCUSS 8/5/1955 1 47270 FOLDER 031 A62357 41699069073840 FRIEDMAN LETTER: TO MISS GARNET CHAMBERS RE GLOVES 6/30/1955 1 47270 FOLDER 031 A62389 41699099073843 FRIEDMAN LETTER: TO MR LARRY CLARK - SHORT NOTE TO ACKNOWLEDGE RECEIPT OF A VERY NICE LETTER 6/30/1955 1 47270 FOLDER 031 A62392 41699119073845 FRIEDMAN LETTER: TO CAPTAIN EDWARD HASTINGS (R N, RET.) - TALKS ABOUT A PARAGRAPH FROM JOYCE CARYS PRISONER OF GRACE 6/30/1955 1 47270 FOLDER 031 A62397 41699129073846 MARS FRIEDMAN LETTER: TO COLONEL BARTON S PULLING - TALKS ABOUT SELLING THE COLONELS HOUSE 6/30/1955 2 47270 FOLDER 031 A62400 41699139073847 FRIEDMAN'S LETTER: TO MR. LANGEN - ASKS IF MR. LANGEN KNOWS A MR. BELL, EDITOR OF THE CRYPTOGRAM 6/29/1955 1 47270 FOLDER 031 A62404 41699159073849 FRIEDMAN LETTER: TO COLONEL BLACK - A THANK YOU FOR BASKET OF FRUIT, CANDY AND NUTS 6/29/1955 1 47270 FOLDER 031 A62412 41699189073852 FRIEDMAN LETTER: TO CONTINENTAL CASUALTY COMPANY CLAIMING "ACCIDENTAL BODILY INJURY" 6/29/1955 2 47270 FOLDER 031 A62414 41699789073911 FRIEDMAN LETTER: TO DR LESLIE HOTSON - ASKS FOR ANY INSIDE INFORMATION ON THE CUP REACTION TO A MANUSCRIPT 6/29/1955 1 47270 FOLDER 031 A62420 41699809073913 FRIEDMAN LETTER: TO COMMANDER - A BRIEF ACKNOWLEDGEMENT AND THANKS FOR 10 JUNE LETTER 6/28/1955 1 47270 FOLDER 031 A62424 41699889073921 KAY NOXTINE LETTER: TO MR FRANK MOSS - LETTER ON BEHALF OF MR FRIEDMAN THANKING MR MOSS FOR COPYING MATERIAL FROM AN AUSTRIAN MAGAZINE 6/27/1955 1 47270 FOLDER 031 A62443 41699969073929 I T MCDONALD LETTER: FOR COLONEL DAVIS - 16 JUNE COMMENTS OF MR. FRIEDMAN 6/17/1955 2 47270 FOLDER 031 A62445 41700059073938 I.T. MACDONALD MEMORANDUM FOR COLONEL DAVIS: SUBJECT: COMMITTEE AND BOARD MEMBERSHIPS OF MR. W. F. FRIEDMAN 6/17/1955 2 47270 FOLDER 031 A62449 41705889074520 FRIEDMAN LETTER: TO MR KLEIN - CIVILIAN ENDORSEMENT 6/16/1955 1 47270 FOLDER 031 A62453 41705909074522 FRIEDMAN LETTER: TO JOHN C MCPHERSON - ANXIOUS TO DISCUSS BOARD ACTIVITIES 6/16/1955 1 47270 FOLDER 031 A62455 41705949074526 FRIEDMAN LETTER: TO MR HENRY E LANGEN - THANK YOU FOR 17 MAY LETTER 6/10/1955 1 47270 FOLDER 031 A62458 41699659073899 FRIEDMAN LETTER: ASKS FOR ANY INFORMATION ABOUT LINEAL CYPHER CO 6/10/1955 1 47270 FOLDER 031 A62460 41705999074531 FRIEDMAN LETTER: TO MR BORIS HAGELIN JR - THINKS VERY LITTLE ABOUT THE LINCAL CYPHER CO 6/9/1955 1 47270 FOLDER 031 A62461 41706039074535 KAY NOXTINE LETTER TO DCS/A: DR KULLBACK IS APPOINTED VICE CHAIRMAN OF THE EXECUTIVE GROUP FOR BOARD AFFAIRS 6/8/1955 1 47270 FOLDER 031 A62467 41706089074540 FRIEDMAN LETTER: TO WALTER J FRIED CONGRATULATING HIM FOR MOVING UP IN HIS FIRM, FRIEDMAN WRITES FROM HIS HOSPITAL ROOM 6/8/1955 1 47270 FOLDER 031 A62469 41706779074609 FRIEDMAN LETTER: TO PROFESSOR SAUL ROSENZWEIG A THANK YOU NOTE 6/1/1955 1 47270 FOLDER 031 A62472 41706879074619 FRIEDMAN LETTER: TO MR BORIS C W HAGELIN - HE COMPLAINS ABOUT EQUIPMENT 6/1/1955 1 47270 FOLDER 031 A62477 41707009074632 FRIEDMAN LETTER: TO PROFESSOR GEORGE E. MCCRACKEN STATES HE IS BACK IN THE HOSPITAL AND WOULD LIKE THE PROFESSOR TO VISIT HIM 6/1/1955 1 47270 FOLDER 031 A62479 41707159074647 KAY NOXTINE NOTE: TO MR SCOGGINS - REQUESTING AN ADDITIONAL 15 DAYS OF SICK LEAVE FOR MR FRIEDMAN 5/27/1955 1 47270 FOLDER 031 A62481 41707229074654 FRIEDMAN LETTER: TO MR JAMES J STROKER - TALKS ABOUT VARIOUS ITEMS BEING SHIPPED TO HIM 5/19/1955 1 47270 FOLDER 031 A62485 41707349074666 FRIEDMAN LETTER: TO ERIC M JONES - HE ACKNOWLEDGES THE CONGRATULATIONS FOR HIM AND HIS WIFE WINNING THE PRIZE OFFERED BY THE FOLGER SHAKESPEARE LIBRARY 5/19/1955 1 47270 FOLDER 031 A62491 41707449074676 FRIEDMAN LETTER: TO REAR ADMIRAL JOSEPH N WENGER MOSTLY PERSONAL ABOUT THE ADMIRALS SON GOING OFF TO DARTMOUTH 5/18/1955 2 47270 FOLDER 031 A62492 41707549074686 FRIEDMAN LETTER: TO CIRCULATION MANAGER SCIENTIFIC AMERICAN COMPLAINS ABOUT NOT RECEIVING HIS SUBSCRIPTION FOR THE MONTH OF MAY 5/17/1955 1 47270 FOLDER 031 A62493 41707659074697 ROSCOE R. CONKLIN LETTER TO: DIRECTOR PROVIDES COPY OF GERMAN MAGAZINE "DER SPIEGEL" BY REQUEST OF MR. FRIEDMAN 5/17/1955 2 47270 FOLDER 031 A62494 41707759074706 FRIEDMAN LETTER: TO COMMANDER REMINDING HIM OF PREVIOUS COMMITMENTS FOR INFORMATION 5/18/1955 1 47270 FOLDER 031 A62559 41707839074715 FRIEDMAN LETTER: TALKS ABOUT GOOD NEWS ABOUT MANUSCRIPT ON THE ALLEGED CIPHERS IN SHAKESPEARE 5/18/1955 2 47270 FOLDER 031 A62564 41709869074918 FRIEDMAN LETTER: TO MR. DAVID KAHN RESPONDS TO KAHN'S 12 MAY LETTER OF CONGRATULATIONS 5/18/1955 2 47270 FOLDER 031 A62602 41709979074928 FRIEDMAN LETTER: TO STUART HEDDEN MUCH ABOUT HIS ILLNESS AND ABOUT THE PRIVATE HOUSE BILL 5/16/1955 2 47270 FOLDER 031 A62607 41710089074940 FRIEDMAN LETTER: TO PROFESSOR ROGER W HOLMES TO ACKNOWLEDGE RECEIPT OF 12 MAY LETTER 5/13/1955 1 47270 FOLDER 031 A62612 41710199074951 FRIEDMAN LETTER: TO COLONEL ARTHUR C. PETERSON - SENDING GIFT, ALSO TALKS ABOUT HIS BEING LAID UP AFTER HOSPITAL STAY 5/13/1955 1 47270 FOLDER 031 A62617 41710279074959 FRIEDMAN LETTER: TO PROFESSOR SAUL ROSENZWEIG TO ACKNOWLEDGE 10 MAY LETTER AND FORWARDING OF REPRINTS WITHIN A FEW WEEKS 5/13/1955 1

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47270 FOLDER 031 A62624 41710399074971 FRIEDMAN LETTER: TO REAR ADMIRAL L H FROST 5/12/1955 1 47270 FOLDER 031 A62627 41710549074985 FRIEDMAN LETTER: TO LT COL WINN F. ZELLNER - ACKNOWLEDGES LETTER OF 29 APRIL AND TALKS ABOUT ARTICLE IN STARS AND STRIPES 5/12/1955 1 47270 FOLDER 031 A62652 41710659074996 FRIEDMAN LETTER: TO CHIEF J O WILLIAMS - THANKS FOR PROCURING "THE PRINTING OF THE FIRST FOLIO OF SHAKESPEARE". ASKS A FAVOR ABOUT OBTAINING ITEMS 550 AND 6215/12/1955 2 47270 FOLDER 031 A62653 41710739075004 MINUTES OF THE NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY BOARD MEETING - NOT ENCLOSED 5/12/1955 1 47270 FOLDER 031 A62658 41710859075017 MINUTES OF THE NSA SCIENTIFIC ADVISORY BOARD MEETING - LIST OF ATTENDEES PLUS BULLETS 4/6/1955 3 47270 FOLDER 031 A62663 41711009075032 MINUTES OF THE 7 APRIL 1955 NSA SCIENTIFIC ADVISORY BOARD MEETING - LIST OF ATTENDEES AND BULLETS 4/7/1955 2 47270 FOLDER 031 A62666 41711149075046 MINUTES OF THE 6 APRIL 1955 NSA SCIENTIFIC ADVISORY BOARD MEETING, LIST OF ATTENDEES, AND BULLETS 4/6/1955 4 47270 FOLDER 031 A62669 41711229075053 KAY NOXTINE LETTER: TO COLONEL A C PETERSON USA, ACKNOWLEDGES RECEIPT FOR FRIEDMAN FOR TWO COPIES OF SIEMENS INFORMATION PAMPHLET 5/5/1955 1 47270 FOLDER 031 A62672 41711299075060 FRIEDMAN LETTER: TO BORIS CW HAGELIN, TALKS ABOUT HIS ILLNESS AND THE SHIPMENT OF THE CBI 5/5/1955 2 47270 FOLDER 031 A62674 41711329075063 KAY NOXTINE LETTER: RETURNS BOOK FOR FRIEDMAN 5/5/1955 1 47270 FOLDER 031 A62676 41711349075065 KAY NOXTINE LETTER: TO MISS GARNET CHAMBERS, THANK YOU FOR SENDING WOLLEN STEAMER RUG, AND TO CHECK ON A FEW ITEMS 5/4/1955 1 47270 FOLDER 031 A62678 41711369075067 KAY NOXTINE LETTER: TO CIV PERS MR SCOGGINS, REQUEST FOR 15 DAYS ADVANCED SICK LEAVE FOR MR. FRIEDMAN 5/4/1955 1 47270 FOLDER 031 A62694 41711439075074 FRIEDMAN LETTER: TO DR W M BOWERS, ASKING FOR A COPY OF CANDELA'S BOOK "THE MILITARY CIPHER OF COMMANDANT BAZERIES" 5/4/1955 1 47270 FOLDER 031 A62696 41711459075076 K NOXTINE LETTER: REQUEST FOR NSA QUARTERLY PROPERTY PASS FOR CAPTAIN ROBERT J SCOTT USAF TO ACCOMPANY MR FRIEDMAN TO MEETINGS ON AGENCY MATTERS IN THE WASHINGTON5/2/1955 AREA 1 47270 FOLDER 031 A62751 42030559106937 FRIEDMAN LETTER: TO COLONEL BARTON S PULLING, TALKS ABOUT DEALINGS WITH THE HAGELINS, AND A TRIP TO LONDON 4/28/1955 2 47270 FOLDER 031 A62756 41711839075114 KAY NOXTINE'S LETTER TO REAR ADMIRAL JOSEPH N WENGER, LETTER FOR FRIEDMAN TO INFORM ABOUT HIS ILLNESS AND THAT THE FOLGER SHAKESPEARE LIBRARY AWARDED THEM4/26/1955 FIRST PRIZE FOR THEIR 1MANUSCRIPT 47270 FOLDER 031 A62761 41713719075303 KAY NOXTINE LETTER TO MR FRANK AUSTIN 4/26/1955 1 47270 FOLDER 031 A62779 41713909075321 KAY NOXTINE LETTER: TO MAJOR MARY C LANE, INFORMS ABOUT FRIEDMAN ILLNESS, AND WINNING THE FOLGER AWARD 4/26/1955 1 47270 FOLDER 031 A62784 41714089075339 ELIZEBETH SMITH FRIEDMAN LETTER: TO MR F RONALD MANSBRIDGE SENDS ORIGINAL COPY OF MANUSCRIPT 4/22/1955 1 47270 FOLDER 031 A62805 42030469106928 FRIEDMAN LETTER: TO MR. BORIS C W HAGELIN, TALK ABOUT THE 4/22/1955 2 47270 FOLDER 031 A62808 41714289075360 FRIEDMAN LETTER: TO MR. FRANK B. ROWLETT 4/22/1955 1 47270 FOLDER 031 A62810 41714399075370 FRIEDMAN LETTER: TO DR. G. GAMOW TALKS ABOUT REPRINT OF POSSIBLE MATHEMATICAL RELATION BETWEEN DIOXYRIBONUCLEIC ACID AND PROTEINS 4/22/1955 1 47270 FOLDER 031 A62812 41714509075382 FRIEDMAN LETTER: TO MISS ANNE M NILL, THANK YOU NOTE 4/22/1955 1 47270 FOLDER 031 A62815 41714629075393 KAY NOXTINE LETTER: TO MR W A KENYON, FRIEDMAN NEEDS TO BE ADVISED OF ANY FINAL DECISION RESULTING FROM THE STUDIES TO THE FUTURE OF THE WAR DEPARTMENT BENEFICIAL4/21/1955 ASSOCIATION 1 47270 FOLDER 031 A62818 41714809075410 FRIEDMAN LETTER: TO MR HENRY E LANGEN, RESULTS OF MR LANGEN'S JOB APPLICATION 4/21/1955 1 47270 FOLDER 031 A62823 41714989075429 ELIZEBETH SMITH FRIEDMAN LETTER: TO PROFESSOR CHARLES HERRING, RECAPS FRIEDMAN HOSPITAL STAY, WINNING THE FOLGER AWARD, AND INVITING THE PROFESSOR TO THE 4/21/1955FOLGER SHAKESPEARE LIBRARY2 47270 FOLDER 175 A62827 41758559079769 RECEIPT FOR CLASSIFIED ITEMS ADDRESSED TO FRIEDMAN AND SIGNED FOR BY MRS. CLYDE CHRISTIAN 5/7/1962 1 47270 FOLDER 031 A62830 41715089075439 FRIEDMAN LETTER: TO MAJOR GENERAL FRANK E. STONER USA RTD, DETAILS EVALUATION OF A CRYPTOSYSTEM SENT BY GENERAL STONER 4/20/1955 2 47270 FOLDER 179 A62831 41758569079771 INTRODUCTION TO CRYPTOLOGY-VI BY WILLIAM FRIEDMAN; HANDWRITTEN DRAFT OF LECTURE DEALS WITH CRYPTOLOGY FROM THE END OF WW I TO END OF WW II, NO. 6, 1ST DRAFT5/7/1962 87 47270 FOLDER 179 A62832 41758589079772 INTRODUCTION TO CRYPTOLOGY-VI, BY WILLIAM F. FRIEDMAN; LECTURE NO. 6, 2ND DRAFT 5/7/1962 36 47270 FOLDER 031 A62833 41715189075449 FRIEDMAN LETTER: TO MR BORIS C W HAGELIN JR., REQUESTS GO AHEAD WITH PURCHASE OF TC-52 MACHINES ON SPECIAL ORDER 4/20/1955 1 47270 FOLDER 179 A62834 41758599079773 INTRODUCTION TO CRYPTOLOGY-VI BY WILLIAM F. FRIEDMAN; LECTURE NO. 6, 3RD DRAFT 5/7/1962 41 47270 FOLDER 179 A62837 41758629079776 INTRODUCTION TO CRYPTOLOGY-VI BY WILLIAM F. FRIEDMAN; FINAL DRAFT 5/7/1962 77 47270 FOLDER 031 A62838 41715269075457 I T MACDONALD LETTER TO MR H P CORWITH, THANK YOU NOTE ON BEHALF OF FRIEDMAN 4/20/1955 1 47270 FOLDER 179 A62839 41758639079778 INTRODUCTION TO CRYPTOLOGY VI BY WILLIAM F. FRIEDMAN; LECTURE 6, DRAFT 5/7/1962 36 47270 FOLDER 178 A62840 41758669079780 INTRODUCTION TO CRYPTOLOGY BY WILLIAM F. FRIEDMAN, 1ST DRAFT, LECTURE NO. 5 5/7/1962 17 47270 FOLDER 178 A62842 41758689079783 INTRODUCTION TO CRYPTOLOGY BY WILLIAM F. FRIEDMAN, LECTURE NO. 5 5/7/1962 41 47270 FOLDER 178 A62844 41758719079785 HANDWRITTEN NOTES FOR INTRODUCTION TO CRYPTOLOGY BY WILLIAM F. FRIEDMAN, LECTURE NO. 5 5/7/1962 68 47270 FOLDER 178 A62846 41758729079786 TYPED NOTES OF LECTURE 5 OF INTRODUCTION TO CRYPTOLOGY BY FRIEDMAN, PAGES 17 TO 41 1/1/1962 25 47270 FOLDER 177 A62847 41758759079789 LECTURE NO. 4, CODES AND CIPHERS OF THE CIVIL WAR; WILLIAM F. FRIEDMAN, FOURTH IN SERIES (OF 6) 1/1/1962 44 47270 FOLDER 177 A62848 41758789079793 INTRODUCTION TO CRYPTOLOGY IV, CRYPTOLOGY IN THE CIVIL WAR BY WILLIAM F. FRIEDMAN 1/1/1962 81 47270 FOLDER 031 A62850 41715359075466 ELIZEBETH SMITH FRIEDMAN LETTER: TO DR AND MRS. PETTENGILL, THANK YOU NOTE AND MR FRIEDMAN'S CONDITION 4/19/1955 1 47270 FOLDER 177 A62851 41758809079794 INTRODUCTION TO CRYPTOLOGY - IV, DRAFT, CRYPTOLOGY IN THE CIVIL WAR BY WILLIAM F. FRIEDMAN 1/1/1962 52 47270 FOLDER 176 A62852 41758859079800 LECTURE 3, INTRODUCTION TO CRYPTOLOGY, DRAFT, WILLIAM F. FRIEDMAN; DEALS WITH THE CRYPTOSYSTEMS EMPLOYED BY THE BRITISH REGULARS AND THE COLONIALS DURING THE1/1/1962 PERIOD OF AMERICAN49 REVOLUTION 47270 FOLDER 031 A62853 41718239075752 ELIZEBETH SMITH FRIEDMAN LETTER: TO MAJOR GENERAL JOHN B ACKERMAN, APPRECIATION OF CONCERN FOR FRIEDMAN'S CONDITION 4/19/1955 1 47270 FOLDER 031 A62855 41718319075760 ELIZEBETH SMITH FRIEDMAN LETTER: TO FRIENDS IN HEADQUARTERS ASA THANKS FOR THE FLOWERS 4/19/1955 1 47270 FOLDER 175 A62856 41758839079798 NSA TECHNICAL JOURNAL - WINTER 1961 ISSUE - CONTAINS WILLIAM F. FRIEDMAN LECTURES ON INTRODUCTION TO CRYPTOLOGY - IV 1/1/1961 170 47270 FOLDER 174 A62858 41758899079803 FINAL VERSION OF LECTURE 3, "SURVEY OF THE AMERICAN REVOLUTION" INTRODUCTION TO CRYPTOLOGY BY WILLIAM F. FRIEDMAN 1/1/1961 22 47270 FOLDER 173 A62859 41758919079805 LECTURE 2, FINAL VERSION, INTRODUCTION TO CRYPTOLOGY BY WILLIAM F. FRIEDMAN; HISTORICAL INFORMATION ABOUT CRYPTOLOGY 1/1/1961 25 47270 FOLDER 172 A62861 41758929079807 FINAL, LECTURE NO. 1, INTRODUCTION TO CRYPTOLOGY BY WILLIAM F. FRIEDMAN; INTRODUCTORY REMARKS AND GENERAL INTRODUCTION OF THE SUBJECT 3/25/1960 25

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47270 FOLDER 031 A62862 41718399075769 ELIZEBETH SMITH FRIEDMAN LETTER: TO MR. E. ROSS ANDERSON, ATTENTION: MR. LEO ROSEN, MR. ROBERT WILLIAMS, THANK YOU FOR FLORAL GIFT 4/19/1955 1 47270 FOLDER 171 A62864 41758949079809 THE INFLUENCE OF C-POWER* ON HISTORY. LECTURE NO. 3, MAKING THE MOST OF A CRYPTOLOGIC OPPORTUNITY; WALTER CRONKITE STORY ENTITLED "THE SECRET MESSAGE THAT9/21/1960 PLUNGED AMERICAN INTO68 WAR!" - YOU ARE THERE EPISODE AIRED ON 23 OCTOBER 1955 47270 FOLDER 171 A62866 41789219082822 WASHINGTON POST, THE MEN WHO WON THE WAR, MR. LLOYD GEORGES VIEW; IMPORTANCE OF THE POLITICIAN, ADVICE TO ASPIRING M.P.S 3/2/1923 2 47270 FOLDER 031 A62867 41718509075780 ELIZEBETH SMITH FRIEDMAN LETTER: TO MR. ARNALDO PARISOT, INFORMING HIM OF BOOKS ON CRYPTOLOGY 4/19/1955 1 47270 FOLDER 171 A62868 41789259082826 THE SCOTSMAN, JULY 12, 1923, EDINBURGH UNIVERSITY, HONORARY GRADUATES ENTERTAINED; MR. CHURCHILL ON THEORY AND PRACTICE 7/12/1923 3 47270 FOLDER 171 A62869 41789299082830 THE SCOTSMAN, 19 JULY 1921, TRIBUTES TO BRITISH LEADERS, ESPECIALLY SIR ALFRED EWING 7/19/1921 3 47270 FOLDER 170 A62870 41758969079810 FRIEDMAN LECTURE NOTES AND CARDS; CRYPTOGRAPH AND CRYPTANALYSIS GO BACK TO THE DAWN OF INVENTION OF WRITING 1/25/1961 45 47270 FOLDER 170 A62871 41758989079812 FRIEDMAN NOTES AND LECTURES, 31 CARDS; PREPARATION OF SLIDES 1/25/1961 44 47270 FOLDER 170 A62872 41759009079814 LECTURE NOTE FOR SLIDE 6.8, 27 CARDS; THE BENEDICT ARNOLD INDECIPHERABLE TREASONABLE COW LETTER 1/25/1961 30 47270 FOLDER 170 A62873 41759019079815 LECTURE NOTES ON COMMUNICATIONS SECURITY 1/25/1961 40 47270 FOLDER 170 A62874 41759039079817 LECTURE NOTES, INSTANCES OF CIPHER IN THE BIBLE: JERREMIAH 25:26 AND 51:41, 71 CARDS 1/25/1961 76 47270 FOLDER 170 A62875 41759069079822 LECTURE AND NOTES, WILLIAM F. FRIEDMAN, PARTS I, II, III, AND THE INFLUENCE OF CRYPTOLOGIC POWER ON HISTORY 1/25/1961 69 47270 FOLDER 031 A62877 41719019075831 ELIZEBETH SMITH FRIEDMAN LETTER: MR FRIEDMAN WILL WRITE WHEN ABLE ON THE "SHAKESPEAREAN WORDPLAY" 4/19/1955 1 47270 FOLDER 170 A62878 41759129079826 LECTURE CARDS AND NOTES, FOR LECTURE AT U.S.M. A., 100 CARDS 5/29/1952 124 47270 FOLDER 031 A62883 41719119075841 ELIZEBETH SMITH FRIEDMAN LETTER TO: MR. JOHN V. CONNORTON, THANK YOU FOR "GET WELL" GREETING 4/19/1955 1 47270 FOLDER 031 A62884 41719199075849 KAY NOXTINE LETTER : THANK YOU FOR PROMPT PACKAGE DELIVERY 4/19/1955 1 47270 FOLDER 031 A62885 41719299075859 (FOR) WILLIAM F FRIEDMAN LETTER TO : ACKNOWLEDGE REQUEST FOR DATE OF PUBLICATION AND PROPOSAL TO TRANSLATE INTO SERBO-CROATION 4/19/1955 1 47270 FOLDER 031 A62886 41720809076008 KAY NOXTINE LETTER TO: BRIGADIER GENERAL WESLEY T GUEST, THANKS FOR AND ACKNOWLEDGE RECEIPT OF MATERIAL CONCERNING SIEMENS AND HALSKE AKTIENGESELLSCHAFT4/14/1955 WHICH WAS FORWARDED1 ON 6 APRIL 47270 FOLDER 031 A62912 41720919076019 ELIZEBETH SMITH FRIEDMAN LETTER TO: MR. PAUL K. HARTSTALL, THANK YOU FOR WORK HE DID AND FOR FLOWERS 4/13/1955 1 47270 FOLDER 031 A62915 41721039076031 ELIZEBETH SMITH FRIEDMAN LETTER TO: MR. LESTER BENSINGER, THANKS FOR FLOWERS - PLUS HIS OPINION THAT THE LETTER SENT TO MR. D. STEGALL GOLDEN ORIGINATED FROM4/13/1955 A PERSON WHO HAS SOME1 PSYCHIC DISTURBANCE 47270 FOLDER 031 A62916 41721159076043 ELIZEBETH SMITH FRIEDMAN LETTER TO: MR JOHN T WINTERICH, TALKS ABOUT NEWSPAPER CLIPPING RELATIVE TO ANAGRAMMATIC PUZZLE 4/13/1955 1 47270 FOLDER 031 A62920 41721199076047 ELIZEBETH SMITH FRIEDMAN LETTER TO: MR JOHN V CONNORTON, ENCLOSES NEWSPAPER CLIPPING ABOUT AWARD 4/13/1955 1 47270 FOLDER 031 A62926 41721229076049 KAY NOXTINE LETTER TO: MR LEO ROSEN, TELLS ABOUT FRIEDMAN'S AWARD AND ENCLOSES CLIPPING 4/13/1955 1 47270 FOLDER 031 A62930 41721249076051 KAY NOXTINE LETTER TO: CHIEF J O WILLIAMS, ASKS ABOUT PURCHASING A BOOK FOR MR FRIEDMAN - THE PRINTING OF THE FIRST FOLIO OF SHAKESPEARE 4/13/1955 1 47270 FOLDER 031 A62942 41721269076053 WILLIAM F. FRIEDMAN LETTER TO: DR. JAMES PHINNEY BAXTER, III, REFERS TO LETTER SENT ON 31 JANUARY 1955 ALSO ENCLOSED A COUPLE OF CLIPPINGS 4/8/1955 1 47270 FOLDER 031 A62943 41721299076056 WILLIAM F. FRIEDMAN LETTER TO: DR. W M BOWERS 4/8/1955 1 47270 FOLDER 031 A62945 41721319076058 WILLIAM F FRIEDMAN LETTER: TELLS OF WINNING AWARD FOR LITERATURE AND ABOUT HIS HEART ATTACK 4/8/1955 1 47270 FOLDER 031 A62948 41721339076060 WILLIAM F. FRIEDMAN LETTER: TO MR. BOGDAN POPOVIC, THANKS HIM FOR INTEREST IN MANUSCRIPT 4/7/1955 1 47270 FOLDER 031 A62951 41721359076062 WILLIAM F FRIEDMAN LETTER: TO DR R C GIBBS, PROPOSES MEMBERSHIP FOR MR ALVA BENSON CLARK IN THE COSMOS CLUB 4/7/1955 1 47270 FOLDER 031 A62966 41721379076064 WILLIAM F. FRIEDMAN LETTER: TO MR. LEE E. GROVE, THANK YOU FOR INTEREST IN PUBLICATION PLANS 4/7/1955 1 47270 FOLDER 031 A62971 41721399076066 ELIZEBETH SMITH FRIEDMAN LETTER: TO MR F RONALD MANSBRIDGE, APPROVAL TO SEND THE MANUSCRIPT TO THE CAMBRIDGE PRESS FOR THE BEST ASSISTANCE 4/6/1955 1 47270 FOLDER 031 A62975 41721429076069 BARTON S PULLING LETTER: RESOLUTION OF NSA-GCHQ TECHNICAL DIFFERENCES ON FRENCH COMSEC 4/6/1955 2 47270 FOLDER 031 A62987 41721449076071 WILLIAM F. FRIEDMAN LETTER TO MAJOR GENERAL FRANK E. STONER, USA, RTD., AGREES TO REVIEW CRYPTOGRAPHIC SYSTEM PROPOSED BY MR. HOWARD N. SMITH 4/1/1955 1 47270 FOLDER 031 A62989 41721799076106 WILLIAM F. FRIEDMAN LETTER: TO DR. JOHN VON NEUMAN, ENCLOSES AGENDA FOR 6-7 APRIL MEETING 3/31/1955 1 47270 FOLDER 031 A63022 41721879076114 WILLIAM F. FRIEDMAN LETTER: TO DR. LOUIS B. WRIGHT, TALKS ABOUT FOLGER AWARD AND BOOK PUBLICATION 3/31/1955 1 47270 FOLDER 031 A63042 41721939076119 WILLIAM F. FRIEDMAN LETTER: MENTIONS HOW HE ENJOYED HIS STAY IN ZUG AND DISCUSSES MACHINE 3/30/1955 1 47270 FOLDER 031 A63054 41722049076131 WILLIAM F FRIEDMAN LETTER: TO BO HAGELIN, ASKS ABOUT ORDERING ANOTHER SPRING DRIVEN SHAVER FOR A FRIEND AND THANK YOU TO BO FOR HIS HOSPITALITY 3/30/1955 1 47270 FOLDER 031 A63059 41722169076143 WILLIAM F. FRIEDMAN MESSAGE TO CH NSAEUR, TELLS OF PACKAGE LEFT IN VIP LOUNGE 1/1/1955 1 47270 FOLDER 031 A63061 41722239076150 WILLIAM F. FRIEDMAN LETTER: TO MR. DONALD A. QUARLES, GLAD TO HEAR THAT MR. QUARLES WILL ATTEND THE 6-7 APRIL MEETING OF THE NATIONAL SECURITY AGENCY SCIENTIFIC3/30/1955 ADVISORY BOARD 1 47270 FOLDER 031 A63071 41722249076151 WILLIAM F. FRIEDMAN LETTER: TO DR. HOWARD T. ENGSTROM, GLAD TO HEAR THAT ENGSTROM WILL BE IN ATTENDANCE FOR THE 6-7 APRIL MEETINGS AND WILL PRESENT A BRIEF3/30/1955 REPORT 1 47270 FOLDER 031 A63074 41722269076153 WILLIAM F. FRIEDMAN LETTER: TO MR. H. P. CORWITH, FORWARDS DETAILS ABOUT THE 6-7 APRIL MEETINGS 3/29/1955 1 47270 FOLDER 031 A63085 41722319076158 WILLIAM F FRIEDMAN LETTER: TO DR WILKS, FRIEDMAN SAYS HE WILL SEND SOME INFORMATION ON THE 4-HOUR REPORTING PROJECT AS DR WILKS CANNOT ATTEND 3/29/1955 1 47270 FOLDER 031 A63089 41722409076167 WILLIAM F FRIEDMAN LETTER: PLANS FOR THE 6-7 APRIL MEETING DEVELOPING WELL AND FRIEDMAN LOOKS FORWARD TO SEEING MR MCPHERSON SOON 3/29/1955 1 47270 FOLDER 031 A63090 41722459076172 WILLIAM F. FRIEDMAN LETTER: WELCOMES ARTHUR HORTON JR. TO THE ADVISORY BOARD MEETINGS 3/30/1955 1 47270 FOLDER 031 A63094 41722479076174 WILLIAM F. FRIEDMAN LETTER: TO DR. W. R. G. BAKER WELCOMING HIM TO THE ADVISORY BOARD MEETINGS 3/29/1955 1 47270 FOLDER 031 A63180 41722539076180 WILLIAM F. FRIEDMAN LETTER: TO DR. JOHN VON NEUMANN, CONGRATULATES HIM ON HIS APPOINTMENT TO THE ATOMIC ENERGY COMMISSION AND OF HIS PLANS TO ATTEND THE3/30/1955 6-7 APRIL MEETING 1 47270 FOLDER 031 A63182 41722629076189 WILLIAM F. FRIEDMAN LETTER: TO MR. F. RONALD MANSBRIDGE, THANK YOU FOR CONGRATULATIONS EXTENDED 3/29/1955 1 47270 FOLDER 031 A63188 41722729076199 THANK YOU NOTE FOR THE BONAMPAK COLOR PLATES; COMMENTS REGARDING STUDIES OF SHAKESPEARE-BACON CIPHERS 3/29/1955 1 47270 FOLDER 031 A63200 41722809076207 K NOXTINE LETTER: REQUEST FOR NSA QUARTERLY PROPERTY PASS (RCS 364) FOR FRIEDMAN 3/28/1955 1 47270 FOLDER 031 A63209 41722899076216 WILLIAM F FRIEDMAN LETTER TO FORWARD A COPY OF LETTER TO THE CHIEF, NSA REGISTRY FOR CONSULTANTS 2/18/1955 1

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47270 FOLDER 031 A63218 41723089076234 WILLIAM F. FRIEDMAN LETTER ASKS FOR THE DELIVERY OF C-52 2/17/1955 1 47270 FOLDER 031 A63224 41723459076272 WILLIAM F. FRIEDMAN LETTER REQUESTED TRAVEL ORDERS TO BE REIMBURSED 2/17/1955 2 47270 FOLDER 031 A63249 41723689076295 MRS. FRIEDMAN LETTER: TO THE CAMBRIDGE PRESS TO MEET WITH MR. FRIEDMAN 2/21/1955 1 47270 FOLDER 031 A63253 41724029076329 WILLIAM F FRIEDMAN LETTER: INFORMS LETTERS TO EACH OF THE NSASAB BOARD MEMBERS 2/16/1955 1 47270 FOLDER 031 A63281 41725419076470 WILLIAM F FRIEDMAN LETTER: TO INFORM OF THE SCIENTIFIC ADVISORY BOARD MEETING OF 6, 7 AND 8 APRIL 2/16/1955 1 47270 FOLDER 031 A63282 41725539076480 WILLIAM F. FRIEDMAN LETTER: TO INFORM OF THE 6, 7 AND 8 APRIL ADVISORY BOARD MEETING 2/16/1955 1 47270 FOLDER 031 A63287 41725729076499 WILLIAM F FRIEDMAN LETTER: TO DR REVILO PENDLETON OLIVER, RECEIPT OF LETTER 2/16/1955 1 47270 FOLDER 031 A63289 41895589093450 WILLIAM F FRIEDMAN LETTER: TO ADJUTANT GENERAL, OFFICERS HONORARY RETIRED LIST 2/15/1955 1 47270 FOLDER 031 A63295 41726059076532 WILLIAM F FRIEDMAN LETTER: POINTS OUT A POSSIBLE SECURITY VIOLATION IN AIR FORCE ON THE JOB TRAINING PROGRAM 2/14/1955 1 47270 FOLDER 031 A63298 41728129076738 WILLIAM F. FRIEDMAN LETTER: THANK YOU NOTE TO MR. ALFRED FRIENDLY FOR FILE ON PETERSON 2/11/1955 1 47270 FOLDER 031 A63302 41728639076789 WILLIAM F FRIEDMAN LETTER: TO MR BORIS C W HAGELIN JR., DETAILS INVOLVED IN THE ORDERS FOR MACHINES 3/30/1955 1 47270 FOLDER 031 A63313 41729009076826 WILLIAM F FRIEDMAN LETTER: TO MEET IN REGARDS TO NSASAB AFFAIRS 2/11/1955 1 47270 FOLDER 031 A63318 41730779077001 WILLIAM F FRIEDMAN LETTER: ALERTS TO POSSIBLE CHANGE IN MEETING PLANS IN FRANKFURT 2/11/1955 1 47270 FOLDER 031 A63322 41730939077017 WILLIAM F. FRIEDMAN MEMORANDUM: TO THE DIRECTOR, COMINT SUPPLEMENT TO PART II OF THE REPORT OF THE TECHNOLOGICAL CAPABILITIES PANEL 2/10/1955 2 47270 FOLDER 031 A63339 41730989077022 WILLIAM F FRIEDMAN LETTER: SEEKING ONE SPACE FOR EACH OF THE 3-WEEK CLASSES TO BE HELD DURING THE 55-56 SCHOOL YEAR 2/9/1955 1 47270 FOLDER 031 A63343 41730999077023 WILLIAM F FRIEDMAN LETTER: TO GROUP HEALTH ASSOCIATION INC, RESIGNS FROM GROUP HEALTH ASSOCIATION 2/9/1955 1 47270 FOLDER 031 A63351 41731019077025 WILLIAM F FRIEDMAN LETTER: TO BO HAGELIN QUERYING THE DELIVERY STATUS OF THE C-52 MACHINE 3/30/1955 1 47270 FOLDER 168 A63356 41758889079802 HISTORY OF CRYPTOLOGY, ADDRESS TO STAFF AND STUDENTS SENIOR SCHOOL USMC " COMMUNICATIONS INTELLIGENCE AND COMMUNICATION SECURITY" FIRST PERIOD MODIFIED,4/26/1960 WITH 34 SLIDES 29 47270 FOLDER 031 A63357 41731059077029 WILLIAM F FRIEDMAN LETTER: SCHEDULE TO DISCUSS GUIDANCE WITH RESPECT TO NSASAB 2/9/1955 1 47270 FOLDER 168 A63359 41758909079804 HISTORY OF CRYPTOLOGY, " THE INFLUENCE OF C-POWER (CRYPTOLOGIC ) ON HISTORY" SECOND PERIOD WITH 9 SLIDES, WILLIAM F. FRIEDMAN 4/26/1960 25 47270 FOLDER 168 A63360 41758709079784 HISTORY OF CRYPTOLOGY, "COMMUNICATIONS SECURITY" THIRD PERIOD, WILLIAM F. FRIEDMAN WITH 35 SLIDES 4/26/1960 45 47270 FOLDER 168 A63362 41758879079801 PRESENTATION AS MODIFIED AND DELIVERED ON 26 APRIL 1960, BEFORE STAFF AND STUDENT OFFICERS OF ADVANCED OFFICERS COURSE USMC, QUANTICO, VA.; MARINE CORPS LECTURE4/26/1960 SERIES, WILLIAM 24F. FRIEDMAN 47270 FOLDER 168 A63365 41758649079779 LECTURE TO MARINE CORPS, DRAFT AND CORRECTIONS NO. 2 4/26/1960 23 47270 FOLDER 168 A63366 41758979079811 U. S. MARINE CORPS LECTURE, 1ST DRAFT; WILLIAM F. FRIEDMAN: MARINE CORPS LECTURE SERIES 4/26/1960 13 47270 FOLDER 167 A63374 41758819079795 THE INFLUENCE OF CRYPTOLOGIC POWER ON HISTORY-LECTURE NO. 3 "MAKING THE MOST OF A CRYPTOLOGIC OPPORTUNITY" - THE ZIMMERMAN TELEGRAM; WILLIAM F. FRIEDMAN,8/4/1957 USMC LECTURE SERIES:40 HISTORY OF CRYPTOLOGY- 47270 FOLDER 167 A63376 41758679079781 EYES OF THE NAVY,; LETTER TO WILLIAM F. FRIEDMAN: FROM - DEPUTY SUSLO, CHELTENHAM 12/15/1955 2 47270 FOLDER 167 A63379 41759029079816 WILLIAM F. FRIEDMAN, HISTORY OF CRYPTOLOGY-TYPED AND HANDWRITTEN LECTURE NOTES DEALING WITH THE ZIMMERMAN TELEGRAM.; WILLIAM F. FRIEDMAN NOTES ON CRYPTOLOGIC4/26/1960 HISTORY-THE ZIMMERMAN15 TELEGRAM 47270 FOLDER 167 A63381 41758739079787 NOTE TO PAT FEENEY, PHOTO DIVISION, FROM WILLIAM F. FRIEDMAN; REQUEST FOR SLIDES 9/6/1958 1 47270 FOLDER 167 A63383 41758939079806 NOTES TO MR. FRIEDMAN; DRAFT OF HISTORY OF CRYPTOLOGY CHANGES 4/26/1960 2 47270 FOLDER 169 A63391 41758619079775 WILLIAM F. FRIEDMAN, HISTORY OF CRYPTOLOGY, SECOND PERIOD - TYPED AND HANDWRITTEN LECTURE NOTES.; WILLIAM F. FRIEDMAN NOTES AND DRAFTS 1/1/1952 49 47270 FOLDER 169 A63395 41758799079792 TRANSCRIPTION OF THE TAPE FROM THE SCAMP LECTURES, (LECTURE VI SET "E"); WILLIAM F. FRIEDMAN NOTES AND DRAFTS 1/1/1952 17 47270 FOLDER 169 A63397 41758769079790 TRANSCRIPTION FROM TAPE OF THE SCAMP TALKS (LECTURE VI SET, "F"); WILLIAM F. FRIEDMAN NOTES AND DRAFTS OF LECTURES 1/1/1952 19 47270 FOLDER 031 A63398 41731089077032 WILLIAM F FRIEDMAN MEMO: REQUEST COPIES OF AIR FORCE ON-THE-JOB TRAINING PROGRAM-SENIOR RADIO INTERCEPT OPERATOR JP 29352 2/8/1955 1 47270 FOLDER 169 A63400 41759059079819 THE INFLUENCE OF CRYPTOLOGIC POWER ON HISTORY, FINAL PERIOD; WILLIAM F. FRIEDMAN, HISTORY OF CRYPTOLOGY, NOTES AND LECTURES 1/1/1952 4 47270 FOLDER 031 A63401 41731219077045 WILLIAM F FRIEDMAN LETTER: TO LEND NEWSPAPER AND PERIODICAL CLIPPINGS ON THE PETERSON CASE 2/8/1955 1 47270 FOLDER 169 A63403 41758999079813 SECOND PERIOD, COMMUNICATIONS SECURITY, HISTORY OF CRYPTOLOGY, WILLIAM F. FRIEDMAN; WILLIAM F. FRIEDMAN, NOTES AND LECTURES, HISTORY OF CRYPTOLOGY 1/1/1958 25 47270 FOLDER 169 A63404 41758959079808 WILLIAM F. FRIEDMAN, HISTORY OF CRYPTOLOGY, THIRD PERIOD: DEVELOPMENT OF CIPHER MACHINES.; WILLIAM F. FRIEDMAN, NOTES AND LECTURES PAPERS 1/1/1952 21 47270 FOLDER 169 A63406 41758849079797 SECOND PERIOD, COMMUNICATIONS SECURITY, HISTORY OF CRYPTOLOGY, WILLIAM F. FRIEDMAN 1/1/1958 47 47270 FOLDER 031 A63408 41731519077075 RCS-276, ALL CLEARED PERSONNEL ASSIGNED TO THE SPECIAL ASSISTANT'S OFFICE HAVE BEEN RE-INSTRUCTED ON ALL PHASES OF ON-THE-JOB SECURITY IN ACCORDANCE WITH NSA 2/7/1955REG 122-1 1 47270 FOLDER 169 A63409 41759049079818 NOTIFICATION TO DIRECTOR, NSA OF PRESENTATION TO USMC, QUANTICO ON 11 DEC 1958: REQUEST THAT TAPES OF LECTURES BE HELD FOR FRIEDMAN.; WILLIAM F. FRIEDMAN NOTES1/7/1959 1 47270 FOLDER 169 A63411 41759259079839 EXHIBITS FOR FRIEDMAN LECTURE - 11 DEC 1958, USMC LECTURE, QUANTICO 12/11/1958 2 47270 FOLDER 169 A63413 41759189079833 LECTURE TO USMC, QUANTICO ON 11 DEC 1958 12/11/1958 51 47270 FOLDER 031 A63414 41731969077120 TRANSMITTAL REQUEST AND RECEIPT TO WILLIAM F. FRIEDMAN, ENCLOSED IS ONE COPY OF LETTER FROM MR. WILLIAM F. FRIEDMAN TO DR. JOHN W. TUKEY, DATED 3 FEBRUARY 19552/3/1955 2 47270 FOLDER 169 A63417 41759269079840 SLIDES FOR FIRST PERIOD, HISTORY OF CRYPTOLOGY, WILLIAM F. FRIEDMAN; WILLIAM F. FRIEDMAN, NOTES AND DOCUMENTATION OF SLIDES FOR LECTURE TO USMC, 11 DEC 195812/11/1958 3 47270 FOLDER 169 A63418 41759099079823 THIRD PERIOD, COMMUNICATIONS SECURITY, WILLIAM F. FRIEDMAN, HISTORY OF CRYPTOLOGY 1/1/1952 41 47270 FOLDER 166 A63421 41759159079829 NARRATIVE SECURITY REQUIREMENTS CHECK LIST FOR CONTRACT DA18-119-SC-109; LETTER TO WILLIAM F. FRIEDMAN FROM CONTRACTING OFFICER 9/30/1958 1 47270 FOLDER 166 A63422 41759119079825 MODIFICATION NO. 1 DATED 17 JUNE 1958 TO CHANGE FRIEDMAN ADDRESS TO CONTRACT DA18-119-SC-109 6/17/1958 1 47270 FOLDER 166 A63425 41759279079841 CONTRACT NO. DA18-119-SC-109, BETWEEN U. S. GOVT AND WILLIAM F. FRIEDMAN; FOR A SERIES OF 6 LESSONS, WITH SLIDES, AND HISTORY OF CRYPTOLOGY 5/1/1958 5 47270 FOLDER 166 A63426 41759149079828 DA18-119--SC-109 , ACCEPTANCE OF CONTRACT AND CONSIDERATION FOR $10,000 5/1/1958 1 47270 FOLDER 166 A63427 41759239079837 NEGOTIATED CONTRACT, DA49-170-SC1739, BETWEEN U. S. GOVT AND WILLIAM F. FRIEDMAN 8/1/1955 5

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47270 FOLDER 166 A63428 41759219079835 TRANSMITTAL FOR INVOICE, DA18-119-SC-109 7/13/1961 2 47270 FOLDER 031 A63464 41732139077137 WILLIAM F FRIEDMAN LETTER: TO DR C G SUITS, THANK YOU NOTE FOR VISIT 2/4/1955 1 47270 FOLDER 031 A63468 41732329077156 WILLIAM F FRIEDMAN LETTER: SENT ACA DIRECTORY AND FRIEDMAN ASKING HIM TO FILL OUT APPLICATION FOR EMPLOYMENT 1/31/1955 1 47270 FOLDER 031 A63473 41732449077168 WILLIAM F FRIEDMAN LETTER: TO COLONEL, GRATEFUL FOR COPY NUMBER 5 OF G C & C S JAPANESE DIPLOMATIC SECTION HISTORY 2/1/1955 1 47270 FOLDER 031 A63494 41732519077175 WILLIAM F FRIEDMAN LETTER: TO MR F RONALD MANSBRIDGE, THANK YOU FOR ENCOURAGING LETTER 1/31/1955 1 47270 FOLDER 031 A63498 41732649077188 WILLIAM F. FRIEDMAN LETTER: TO DR. JAMES PHINNEY BAXTER III 1/31/1955 1 47270 FOLDER 031 A63500 41732759077199 WILLIAM F. FRIEDMAN LETTER: TO MR. D. C. GIBSON, RE A QUESTION ON INCOME TAX RETURNS 3/28/1955 1 47270 FOLDER 031 A63502 41732829077206 WILLIAM F FRIEDMAN LETTER: TO CHIEF OF STAFF, RECLASSIFICATION OF NSA FILM "MISSION" 1/26/1955 1 47270 FOLDER 166 A63508 41759579079871 CONTRACT DA18-119-SC-109, FRIEDMAN PROGRESS REPORT; WILLIAM F. FRIEDMAN BI MONTHLY REPORT ON CONTRACT 6/29/1961 3 47270 FOLDER 166 A63509 41759089079821 WILLIAM F. FRIEDMAN PROGRESS REPORT, CONTRACT NO. DA18-119-AC-109 6/12/1961 2 47270 FOLDER 166 A63512 41759589079872 DA18-119-SC-109, CONTRACT DATED 1 MAY 1958 : FIFTH AND SIXTH BI-MONTHLY PROGRESS REPORT; WILLIAM F. FRIEDMAN CONTRACT REPORT 6/7/1961 5 47270 FOLDER 031 A63514 41732889077212 WILLIAM F FRIEDMAN LETTER: TO MR ALFRED FRIENDLY, PROPER AUTHORITIES ASKED TO MAKE EFFORT TO HAVE PRIVATE PRUD'HOMME ASSIGNED TO HIM 1/26/1955 1 47270 FOLDER 166 A63515 41759379079851 CONTRACT DA18-119-SC-109, FILE NO. 167-LYN-68: FUNDS ORIGINALLY BE OBLIGATED FROM SUBJECT CONTRACT WILL BE RESTORED.; FUNDS FOR CONTRACT, WILLIAM F. FRIEDMAN,2/3/1961 1 47270 FOLDER 166 A63516 41759469079860 CONTRACT DA18-119-SC-109, FILE NO. 267-LYN-58; COMPLETION OF CONTRACT DELAYED BY NSA OR WITH APPROVAL OF TNG 1/27/1961 1 47270 FOLDER 031 A63518 41732999077223 WILLIAM F FRIEDMAN LETTER: TO SECRETARY THE COSMOS CLUB, ASKING FOR A CARD WHICH WILL ENABLE HIM TO AVAIL HIMSELF OF THE FACILITIES OF THE SAVILE CLUB WHILE HE1/26/1955 IS IN LONDON 1 47270 FOLDER 166 A63520 41759169079830 CONTRACT NO. DA18-119-SC-109: REQUEST CONTRACT NOT BE TERMINATED 9/15/1959 1 47270 FOLDER 166 A63521 41759349079848 CONTRACT NO. DA18-119-SC-109: REQUEST FOR TERMINATION OF CONTRACT SINCE THREE LESSONS SUBMITTED SATISFY CURRENT REQUIREMENTS 8/21/1959 1 47270 FOLDER 166 A63523 41759319079845 CANCELLATION OF CONTRACT NO. DA18-119-SC-109, FILE NO. 267-LYN-58, REQUESTED BY WILLIAM F. FRIEDMAN FOR REASONS OF HEALTH.; REQUEST FOR CANCELLATION OF CONTRACT8/4/1959 1 47270 FOLDER 166 A63524 41759299079843 AMENDMENT OF CONTRACT DA18-119-SC-109 DELIVERY DATE TO 1 FEB 1960 6/9/1959 1 47270 FOLDER 166 A63526 41759389079852 CRYPTOGRAM SENT TO PRESIDENT ROOSEVELT, SLIDE 44.1; NDOIMDEYLOAUEETVIEBR? (OR ELSE YOU DIE) 1/1/1952 1 47270 FOLDER 166 A63527 41759339079847 CONTRACT NO. DA 18--119-SC-109, 257-LLYN-58 (MR. WILLIAM F. FRIEDMAN): PROGRESS REPORTS 3 AND 4 MEET REQUIREMENTS.; PROGRESS REPORTS 3 AND 4 TO DIRECTOR OF TRAINING1/14/1959 7 47270 FOLDER 031 A63538 41733089077233 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR A M GLEASON, SHOWED LETTER TO MR C RUSSELL SUMMERS, ASKS FOR A BRIEF PAPER ON THE PROBLEM 1/25/1955 1 47270 FOLDER 031 A63548 41733369077260 WILLIAM F FRIEDMAN LETTER: TO MR W A KENYON, ENCLOSING CHECK FOR 3 MONTHS MORE PREMIUMS 1/26/1955 1 47270 FOLDER 031 A63563 41733429077266 WILLIAM F. FRIEDMAN LETTER: TO EDITOR OF TOPICS OF THE TIMES 1/26/1955 2 47270 FOLDER 166 A63566 41759309079844 AMENDMENT TO CONTRACT NO. DA18-119-SC-109: ALL MATERIAL PRODUCED WILL BE CLASSIFIED "CONFIDENTIAL" 10/3/1958 1 47270 FOLDER 166 A63568 41759329079846 REQUEST FOR AMENDMENT TO CONTRACT NO. DA18-119-SC-109 THAT THE SIX LESSONS MAY BE CLASSIFIED BY CONTRACTOR UP TO AND INCLUDING "CONFIDENTIAL" 9/18/1958 1 47270 FOLDER 166 A63572 41759369079850 CONTRACT NO. DA18-119-SC-109: PROGRESS REPORT NO. 2 MEETS TECHNICAL REQUIREMENTS OF OFFICE OF TRAINING 9/16/1958 5 47270 FOLDER 166 A63574 41759679079881 CONTRACT NO. DA 18-119-SC-109: PROGRESS REPORT NO. 1 MEETS REQUIREMENTS OF OFFICE OF TRAINING.; PROGRESS REPORT NO. 1 7/8/1958 9 47270 FOLDER 166 A63578 41759429079856 QUOTATION NO. 58-LYN-PR-1580: BID IS ACCEPTABLE.; BID ON QUOTATION BY WILLIAM F. FRIEDMAN 4/30/1958 1 47270 FOLDER 166 A63583 41759419079855 RESPONSE TO REQUEST FOR QUOTATION, NO. 58-LYN-PR-1580, BY WILLIAM F. FRIEDMAN; ARTICLE VI AND CONTRACTOR INFO FORWARDED BY WILLIAM F. FRIEDMAN 4/9/1958 8 47270 FOLDER 166 A63585 41759409079854 REQUEST FOR CONTRACT WITH MR. WILLIAM F. FRIEDMAN, 58-LYN/PR-1580 HAS BEEN APPROVED 3/25/1958 1 47270 FOLDER 166 A63587 41759289079842 PURCHASE REQUEST AND RECEIPT, 58-LYN/PR-1580; NSA FORM J135 REV 27 JULY 1955 3/13/1958 3 47270 FOLDER 031 A63594 41733469077270 WILLIAM F FRIEDMAN LETTER: TO LT COL WINN F ZELLER, FRIEDMAN TALKS ABOUT HIS UPCOMING TRIP TO EUROPE AND ESPECIALLY TO LONDON 1/26/1955 1 47270 FOLDER 166 A63604 41759439079857 NEGOTIATED CONTRACT WITH MR. WILLIAM F. FRIEDMAN, DA49-170-SC-1739 8/1/1955 5 47270 FOLDER 166 A63608 41759459079859 WILLIAM F. FRIEDMAN CONTRACT, MATRIX OF PROGRESS; HISTORY OF CRYPTOLOGY, WILLIAM F. FRIEDMAN 2/10/1961 1 47270 FOLDER 166 A63610 41759449079858 FRIEDMAN CONTRACT: PROPOSAL OF 25 OCT 60 TO AMEND HIS CONTRACT TO CHANGE COVERAGE TO EXTEND THROUGH THE ENTRY OF US INTO WW I 11/2/1960 3 47270 FOLDER 031 A63613 41733509077274 WILLIAM F FRIEDMAN LETTER: TO MR W J GALBRAITH, HAS POWER COMPANY REMOVE ALUMINUM STRUCTURE FROM THE CORNER OF SECOND AND C STREETS S E 1/26/1955 1 47270 FOLDER 031 A63619 41733679077291 WILLIAM F FRIEDMAN MEMO: TO CLASSIFICATION ADVISORY BOARD, RECLASSIFICATION OF NSA FILM "MISSION" 1/19/1955 3 47270 FOLDER 166 A63625 41759479079861 NSA TECHNICAL JOURNAL ARTICLES FOR MR. WILLIAM FRIEDMAN 10/31/1960 1 47270 FOLDER 166 A63627 41759529079866 RD PARKER LETTER TO WILLIAM F. FRIEDMAN, COMMENTS ON LECTURE NO. 4 10/27/1960 2 47270 FOLDER 166 A63630 41759519079865 TNG CONTRACT WITH WILLIAM F. FRIEDMAN: CANCEL LAST SENTENCE IN PARAGRAPH 2 9/21/1960 1 47270 FOLDER 166 A63632 41759489079862 TNG CONTRACT WITH MR. WILLIAM F. FRIEDMAN: SUPPLIES AND CLERICAL ASSISTANCE TO MR. FRIEDMAN WILL BE FURNISHED BY TNG DIVISION 9/16/1960 1 47270 FOLDER 031 A63636 41733739077297 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR DENYS PAGE, TALKS ABOUT HIS MANUSCRIPT AT THE CAMBRIDGE PRESS 1/24/1955 1 47270 FOLDER 031 A63642 41733819077305 WILLIAM F FRIEDMAN LETTER: TO DR. LOUIS B WRIGHT, (FOLGER COMMITTEE) 1/24/1955 1 47270 FOLDER 031 A63644 41734279077351 WILLIAM F FRIEDMAN LETTER: TO MR F RONALD MANSBRIDGE, INFORMATION ABOUT HIS AND HIS WIFE'S EXPERIENCE IN THE CRYPTOLOGIC FIELD TO THE MEMBERS OF THE EDITORIAL1/24/1955 BOARD OF THE CAMBRIDGE1 UNIVERSITY 47270 FOLDER 031 A63645 41741579078081 WILLIAM F FRIEDMAN LETTER: TO MR BORIS C W HAGELIN, COORDINATING HIS TRIP AND SEEKING INFORMATION ABOUT PREVIOUS CORRESPONDENCE ABOUT THE C-52 MACHINE 2/11/1955 1 47270 FOLDER 031 A63647 41741619078082 MR. WILLIAM F. FRIEDMAN LETTER TO DR. F. D. LEAMER: INFORMING THAT PRIVATE RONALD LEE WIGINGTON REPORTED FOR DUTY WITH THE NATIONAL SECURITY AGENCY ON 11 JANUARY1/19/1955 1955 AND HAS BEEN1 ASSIGNED TO HIS RESEARCH AND DEVELOPMENT ACTIVITIES 47270 FOLDER 031 A63691 41741629078083 WILLIAM F FRIEDMAN LETTER: TO CHIEF OF STAFF, CONSTRUCTIVE SUGGESTIONS FOR SENIOR STAFF OFFICERS COURSE 1/19/1955 1 47270 FOLDER 031 A63693 41741639078084 WILLIAM F FRIEDMAN LETTER: TO DR A M SKELLETT, PLEASED TO HEAR THAT HE WILL BE ABLE TO CONTINUE TO SERVE ON THE ELECTRONICS PANEL OF THE NATIONAL SECURITY AGENCY1/19/1955 SCIENTIFIC ADVISORY1 BOARD 47270 FOLDER 031 A63700 41741649078085 WILLIAM F FRIEDMAN: TO MR BORIS C W HAGELIN, TALKING ABOUT TRIP TO BUG AND STAYING WITH BORIS ALSO ABOUT THE CX MACHINE AND ABOUT GAINING ANY INFO ON A FRENCH1/19/1955 CRYPTOGRAPHER NAMED1 F DELASTELLE DATING BACK TO 1890

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47270 FOLDER 031 A63704 41741659078086 WILLIAM F FRIEDMAN LETTER: PROVIDES LITTLE HELP IN OBTAINING AN OBSOLETE M-94 DEVICE 1/18/1955 1 47270 FOLDER 031 A63734 41741669078087 WILLIAM F. FRIEDMAN LETTER TO MR. W. M. BOWERS: CAN NOT FIND ANY INFO ON DELASTELLE - NOTHING ON RECORD IN THIS COUNTRY 1/18/1955 1 47270 FOLDER 031 A63740 41742639078186 WILLIAM F FRIEDMAN LETTER: TALKS ABOUT VISITS TO SPAIN AND PARIS ASKS FOR ANY INFO ON FRENCHMAN NAMED DELASTELLE 1/18/1955 2 47270 FOLDER 031 A63746 41742719078192 WILLIAM F FRIEDMAN LETTER: TO MR FRANK H MOSS 1/18/1955 1 47270 FOLDER 031 A63750 41742809078201 WILLIAM F FRIEDMAN LETTER: TO MR. HAROLD M BANNERMAN, THANKS FOR WELCOME NEWS ON DR. SCOTT'S ELECTION TO COSMOS CLUB 1/18/1955 1 47270 FOLDER 031 A63758 41742899078210 WILLIAM F FRIEDMAN LETTER: TO MR. F RONALD MANSBRIDGE, PROVIDED JUDGES IN THE FOLGER SHAKESPEARE LIBRARY ORIGINAL COPY OF MANUSCRIPT AND CAMBRIDGE UNIVERSITY1/11/1955 PRESS THE FIRST CARBON1 47270 FOLDER 031 A63765 41743019078222 WILLIAM F. FRIEDMAN LETTER: TO DR. LOUIS B. WRIGHT , OFFICIAL SUBMISSION OF THE FRIEDMAN MANUSCRIPT ENTITLED AUTHOR! AUTHOR! TO THE DIRECTOR OF THE FOLGER SHAKESPEARE1/11/1955 LIBRARY 1 47270 FOLDER 031 A63767 41743089078229 WILLIAM F FRIEDMAN LETTER: TO DR THEODORE C PETERSON, RECEIVED REPRINT OF PAPER "EARLY ISLAMIC BOOKBINDINGS AND THEIR COPTIC RELATIONS" 1/10/1955 1 47270 FOLDER 031 A63771 41743199078240 KAY NOXTINE LETTER TO MR WISDOM: ORDERS FOR PROFESSOR SAMUEL S WILKS' VISIT REQUESTED BY GEN CANINE AND MR FRIEDMAN 1/10/1955 1 47270 FOLDER 031 A63775 41743359078256 WILLIAM F FRIEDMAN MESSAGE: TO SUSLO LONDON 1/1/1955 1 47270 FOLDER 031 A63799 41743509078270 PERSONAL FOR CANINE FROM PULLING, SUSLO LONDON, HAVE CONGRATULATED HUGH ALEXANDER AWARDED COMMANDER OF THE BRITISH EMPIRE IN NEW YEARS HONORS LIST 1/6/1955 1 47270 FOLDER 031 A63806 41743659078286 WILLIAM F FRIEDMAN LETTER TO PULLING: THANK YOU FOR LETTER; VISIT TO FRIEND POSTPONED UNTIL AFTER FIRST WEEK IN FEBRUARY 1/1/1955 1 47270 FOLDER 031 A63810 41743799078299 WILLIAM F FRIEDMAN LETTER: TO MR HENRY E LANGEN, FORWARDING YOUR FORM 57 TO OUR PERSONNEL DIVISION AND ASKED TO KNOW WHAT HAPPENS AS A RESULT OF THEIR 2/11/1955EXAMINATION 1 47270 FOLDER 166 A63818 41759779079891 RECEIPT OF FRIEDMAN CONTRACT MATERIAL; LECTURES 1,2,3; TAPE RECORDINGS AND SLIDES 3/30/1960 1 47270 FOLDER 166 A63821 41759559079869 TRANSMITTAL OF FRIEDMAN CONTRACT MATERIAL; LECTURES 1,2,3; SLIDES AND TAPE RECORDINGS 3/30/1960 1 47270 FOLDER 166 A63823 41759569079870 EQUIPMENT FOR MR. WM. F. FRIEDMAN; REQUEST FOR FILE CABINET, TAPE RECORDER, MAGNETIC TAPE 1/11/1960 1 47270 FOLDER 166 A63824 41759539079867 INTERIM PRODUCT OF LECTURES 1, 2, 3, MEMORANDUM FOR THE RECORD BY WILLIAM FRIEDMAN 1/9/1959 1 47270 FOLDER 166 A63825 41759639079877 LECTURE BY MR. WILLIAM F. FRIEDMAN: "HISTORICAL CRYPTOLOGY" DELIVERED TO NSA CRYPTOMATHEMATICS INSTITUTE.; ADDRESS TO NSA CRYPTOMATHEMATICS INSTITUTE ON 88/20/1958 SEPT 1958 1 47270 FOLDER 166 A63828 41759849079899 LETTER FROM FRIEDMAN REGARDING CONTRACT NEGOTIATIONS; HANDWRITTEN LETTER TO SHELBY PATTERSON 2/9/1958 2 47270 FOLDER 166 A63829 41759719079885 PROPOSED FRIEDMAN CONTRACT: DISCUSSION OF POSSIBLE MEDIA FOR PRESENTATION OF LECTURES.; VALUABLE ORIENTATION MEDIA 2/14/1958 2 47270 FOLDER 166 A63843 41760049079918 WILLIAM FRIEDMAN'S PROPOSED CONTRACT; CONCURRENCE IN CALLIMAHOS AND LOWMAN'S OPINIONS 1/28/1958 1 47270 FOLDER 166 A63845 41759509079864 WFF'S PROPOSAL FOR A CONTRACT: TNG-03 THINKS LECTURES ARE A GOOD IDEA.; WILLIAM F. FRIEDMAN PROPOSAL 1/27/1958 1 47270 FOLDER 166 A63847 41759689079882 PROPOSED TALKS BY MR. FRIEDMAN; FILM TALKS MORE EFFECTIVE THAN TAPED LECTURES.; INTEREST IN CLASSIFIED AND UNCLASSIFIED FRIEDMAN LECTURES 1/21/1958 1 47270 FOLDER 166 A63851 41759619079875 FRIEDMAN LECTURES: PROPOSED TOPICS, PROPOSED USES OF LECTURES, CONTRACT DETAILS.; SIX LECTURES, FIFTY MINUTES EACH, AND DESCRIPTION OF COVERAGE 1/1/1958 1 47270 FOLDER 166 A63853 41759629079876 DRAFT OUTLINE OF A PROPOSED CONTRACT FOR PRODUCTION OF TRAINING MATERIAL; WILLIAM F. FRIEDMAN LETTER TO SHELBY PATTERSON, RE PROPOSAL; WILLIAM F. FRIEDMAN1/14/1958 LETTER TO SHELBY PATTERSON,12 RE PROPOSAL 47270 FOLDER 031 A63855 41743959078316 WILLIAM F FRIEDMAN LETTER TO MR BORIS C W HAGELIN: TRYING TO FIRM UP TRAVEL PLANS 2/9/1955 1 47270 FOLDER 166 A63857 41759699079883 FRIEDMAN LECTURES 11/13/1961 1 47270 FOLDER 166 A63860 41759739079888 THE FRIEDMAN LECTURES, OFFICE OF TRAINING SERVICES 4/1/1963 187 47270 FOLDER 165 A63863 41759809079894 NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY BOARD (NSASAB); MEMBERSHIP 12/10/1958 2 47270 FOLDER 165 A63865 41759599079873 NOTIFICATION TO FRIEDMAN OF MEETING OF NSASAB AND AGENDA; LETTER FROM S. KULLBACK 10/31/1958 1 47270 FOLDER 031 A63867 41744149078335 WILLIAM F FRIEDMAN LETTER TO MR BORIS C W HAGELIN: FIRMING UP FLIGHT PLANS TO ZUG, TALKS ABOUT MIX UP WITH ORDER FOR THE ELEVEN C-52 MACHINES AND A LOAN OF1/28/1955 ONE WHEN IT BECOMES AVAILABLE1 47270 FOLDER 165 A63869 41759799079893 CONFLICTS OF NSASAB MEETING AND RECOMMENDATIONS FOR ALTERNATE DATES.; LETTER FROM S. KULLBACK TO FRIEDMAN 9/16/1958 1 47270 FOLDER 165 A63870 41759769079890 SCHEDULED MEETING OF NSASAB: PLEASE KEEP THOSE DAYS FREE; LETTER FROM KULLBACK TO FRIEDMAN 10/2/1958 1 47270 FOLDER 165 A63873 41759819079895 CHARTER FOR NSASAB AND ROTATION OF BOARD MEMBERS THEREOF; LETTER FROM JOHN SAMFORD TO FRIEDMAN 7/7/1958 1 47270 FOLDER 165 A63874 41760029079916 AGENDA FOR THE MEETING OF THE NSASAB ON 22-23 MAY 1958; LETTER FROM KULLBACK TO FRIEDMAN 4/24/1958 1 47270 FOLDER 165 A63877 41759839079897 POSTPONEMENT OF NSASAB MEETING OF 24-26 OCTOBER 1957; LETTER FROM JOHN SAMFORD TO FRIEDMAN 10/8/1957 1 47270 FOLDER 031 A63878 41744459078366 WILLIAM F FRIEDMAN LETTER TO COLONEL GILBERT C JACOBUS: LETTER ACKNOWLEDGES RECEIPT OF MATERIAL AND THAT IT WAS FORWARDED TO GENERAL CANINE WHO SENT IT TO1/31/1955 THE CHIEF OF TRAINING1 DIVISION FOR EVALUATION 47270 FOLDER 165 A63883 41760189079932 AGENDA DATED 7-8 MARCH 1957 AND MINUTES FOR 8 OCTOBER 1956 OF THE NSASAB MEETING; LETTER FROM KULLBACK TO FRIEDMAN WITH ENCLOSURES 2/11/1957 12 47270 FOLDER 165 A63885 41760079079921 FIRST MEETING OF SUBCOMMITTEE ON CRYPTANALYSIS AND MACHINE PROCESSES ON 9-10 JANUARY 1957; CONFIRMATION OF INFORMATION 12/28/1956 1 47270 FOLDER 165 A63888 41760119079925 NSASAB: NO NEED FOR BOARD MEMBERS TO TENDER THEIR RESIGNATIONS DUE TO CHANGE IN DIRECTOR; LETTER FROM KULLBACK TO FRIEDMAN 10/17/1956 1 47270 FOLDER 165 A63892 41895609093452 NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY BOARD (NSASAB) MEMBERSHIP DATED OCTOBER 1956; NSASAB BOARD AND PANEL MEMBERSHIP 10/1/1956 2 47270 FOLDER 165 A63895 41760179079931 AGENDA FOR NSASAB MEETING OF 8/9 OCTOBER 1956 AND MINUTES OF 15 FEB 1956; TRANSMITTAL FROM KULLBACK TO FRIEDMAN WITH ENCLOSURES 10/1/1956 13 47270 FOLDER 165 A63897 41760099079923 AGENDA FOR NSASAB MEETING: 8-9 OCT. 1956 9/27/1956 2 47270 FOLDER 165 A63898 41760089079922 NSASAB MEETING CALLED FOR 8 OCTOBER 1956; LETTER FROM CHAIRMAN TO FRIEDMAN 9/18/1956 1 47270 FOLDER 165 A63900 41760169079930 MINUTES OF THE EXECUTIVE GROUP FOR NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY BOARD (NSASAB) AFFAIRS HELD 12 JANUARY 1956 1/12/1956 7 47270 FOLDER 165 A63906 41760159079929 MEMORANDUM PREPARED BY THE SUB-PANEL ON GENERAL PURPOSE ANALYTIC EQUIPMENT OF THE NSASAB ON 7 MARCH 1955 3/7/1955 5 47270 FOLDER 031 A63909 42030419106923 WILLIAM F FRIEDMAN LETTER TO MR. BORIS C W HAGELIN: TALKS ABOUT HIS UPCOMING TRIP AND STAYING WITH BORIS IN ZUG AND ALSO ABOUT THE C-52 MACHINES ON ORDER 1/7/1955 2 47270 FOLDER 165 A63910 41760149079928 RECENT CHANGES IN BOARD MEMBERSHIP; MEMORANDUM FOR BOARD MEMBERS 1/20/1956 1 47270 FOLDER 031 A63913 41745319078452 WILLIAM F FRIEDMAN MEMORANDUM FOR COLONEL LANSING: STATE DEPARTMENT PROPOSED PUBLICATION OF UNCLASSIFIED DOCUMENTARY HISTORY OF WORLD WAR II CONFERENCES1/7/1955 3 47270 FOLDER 031 A63922 41745389078459 W PARK ARMSTRONG JR LETTER: TO MR FRIEDMAN, SOURCE OF INFORMATION ON INQUIRY RE WARTIME CONFERENCES IS MR G BERNARD NOBLE, CHIEF OF THE HISTORICAL DIVISION,12/8/1954 DEPARTMENT OF STATE1

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47270 FOLDER 031 A63967 41745439078464 WILLIAM F FRIEDMAN PERSONAL MESSAGE: FOR PULLING, TALKS ABOUT TRAVEL PLANS BEING ALTERED ALSO LEARNED FROM FRIEND THAT PROSPECTIVE BROCHURE ON PROPER USAGE1/1/1955 STILL IN PREPARATORY1 STAGES 47270 FOLDER 032 A63969 41745839078503 WILLIAM F FRIEDMAN LETTER: TO H W WILSON COMPANY, ASKING FOR TWO COPIES OF THE JULY 1948 ISSUE OF THE ATLANTIC MONTHLY 1/7/1955 1 47270 FOLDER 032 A63974 41748849078802 WILLIAM F FRIEDMAN LETTER TO COLONEL DALE M KING: THANKS FOR THE JAPANESE TRANSLATION OF ADMIRAL THEOBALD'S BOOK "THE FINAL SECRET OF PEARL HARBOR" 1/7/1955 1 47270 FOLDER 032 A63979 41748859078804 WILLIAM F FRIEDMAN LETTER: TO ALFRED FRIENDLY, COMMENT ON NOMINATION OF EUGENE F FEEHAN 1/3/1955 1 47270 FOLDER 032 A63983 41748879078805 WILLIAM F. FRIEDMAN LETTER: LOOKING FOR THE BOOK "THE RUINS OF ZACULEW GUATEMALA" BY RICHARD B. WOODBURY AND AUBREY S. TRIK 1/3/1955 1 47270 FOLDER 032 A63986 41748909078808 WILLIAM F FRIEDMAN LETTER: TO MR FRANK H MOSS, ASKS HOW MUCH HE OWES FOR CONDENSATION 1/3/1955 1 47270 FOLDER 030 A64002 41748949078813 WILLIAM F FRIEDMAN LETTER: TO MR F RONALD MANSBRIDGE, SENDING MANUSCRIPT 12/31/1954 1 47270 FOLDER 030 A64009 41748979078816 WILLIAM F. FRIEDMAN LETTER: TO DR. SAMUEL S. WILKS, CORRECTS A CALCULATION THEN DISCUSSES THE PERMUTATIONS OF THE WORD BACON 12/30/1954 2 47270 FOLDER 362 A64017 41750699078988 STANDING GROUP ORGANIZATION 1/1/1951 1 47270 FOLDER 030 A64020 41748989078817 WILLIAM F. FRIEDMAN LETTER: TO MR. ALFRED FRIENDLY, TALKS ABOUT GETTING PVT MITCHELL A POSITION 12/29/1954 1 47270 FOLDER 030 A64022 41749009078818 WILLIAM F FRIEDMAN LETTER: TO MISS CAROL CHANNING, CORRECTS HER GRAMMATICAL SLIP OF IDENTICAL NATURE 12/27/1954 1 47270 FOLDER 030 A64024 41749489078867 WILLIAM F FRIEDMAN LETTER: TO MR BORIS C W HAGELIN JR, A NEW YEAR GREETING 12/28/1954 1 47270 FOLDER 166 A64026 41760139079927 CONTRACT NO. DA18-119-SC-109: REQUEST FOR CURRENT STATUS OF PROJECT.; COMPLETION OF CONTRACT FOR WILLIAM F. FRIEDMAN 3/23/1960 2 47270 FOLDER 165 A64029 41760129079926 AGENDA FOR 15,16,17 FEBRUARY 1956 AND MINUTES OF 6, 7 APRIL 1955 OF NSASAB 1/25/1956 11 47270 FOLDER 030 A64033 41749519078870 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR SAUNDERS MACLANE, TALKS ABOUT THE PROFESSOR CHANGING THE DATES HE WISHES TO VISIT THE AGENCY TIL AFTER THE FIRST OF12/8/1954 THE YEAR 1 47270 FOLDER 030 A64036 41750049078923 WILLIAM F FRIEDMAN LETTER: TO MRS M H MACKAY, RETURNS PRINTS WITH CORRECTIONS OF TWO NEW ILLUSTRATIONS WHICH WILL ACCOMPANY HIS ARTICLE "CODES AND CIPHERS"12/17/1954 1 47270 FOLDER 030 A64057 41750099078928 WILLIAM F FRIEDMAN LETTER: TO MR BORIS C W HAGELIN, WILL BE GOING TO ZUG SOON AFTER 15 JANUARY; IF BROCHURE HAS BEEN PUT TOGETHER ON THE C AND CX MACHINES, HE1/1/1955 WOULD LIKE A COPY 2 47270 FOLDER 030 A64062 42037859107667 RALPH J CANINE MEMORANDUM FOR THE MEMBERS OF USCIB RE HAGELIN NEGOTIATIONS 12/17/1954 2 47270 FOLDER 030 A64072 41750269078945 PROPOSED RESPONSE TO QUERY RE: PEARL HARBOR ATTACK, BOOK BY DR. MORISON AND A MARSHALL-DEWEY LETTER 12/10/1954 1 47270 FOLDER 030 A64164 41751329079051 WILLIAM F FRIEDMAN LETTER: TO MR STUART HEDDEN, MENTIONS BRITANNICA REVISION 12/14/1954 1 47270 FOLDER 030 A64165 41751509079068 INCLUSION IN STATE DEPARTMENT PUBLICATION OF AN ARTICLE DESCRIBING THE U.S. SUCCESS IN INTERCEPTING AND DECODING JAPANESE TRAFFIC BEFORE AND DURING THE WAR12/10/1954 1 47270 FOLDER 030 A64166 41751559079074 WILLIAM F FRIEDMAN LETTER: THANKS FOR INTERCESSION 12/10/1954 1 47270 FOLDER 030 A64178 41751599079077 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR DENYS PAGE, CONFIDENT THE PROFESSOR CAN JUDGE FRIEDMAN'S MANUSCRIPT AND PROFESSOR VINCENT ALSO CAN ASSESS AND MAKE12/11/1954 A TECHNICAL APPRECIATION1 OF THE WORK 47270 FOLDER 030 A64185 41751649079082 WILLIAM F FRIEDMAN LETTER: TO MR F RONALD MANSBRIDGE, GRATEFUL FOR A PROMPT ACKNOWLEDGMENT OF RECEIPT OF HIS MANUSCRIPT PACKAGE 12/11/1954 2 47270 FOLDER 030 A64192 41751709079088 WILLIAM F FRIEDMAN LETTER: TO MR EMERSON HINCHLIFF, TALKS ABOUT LENGTH OF THE BRITANNICA REVISION 12/2/1954 1 47270 FOLDER 030 A64194 41752219079139 WILLIAM F. FRIEDMAN LETTER: TO LEWIS R. POTTS COMPANY, PERSONAL ABOUT PAYING FOR A ROOFING JOB ON HIS HOUSE 12/8/1954 1 47270 FOLDER 030 A64200 41752269079143 WILLIAM F FRIEDMAN LETTER: TO MEMBERS OF CLASSIFICATION ADVISORY PANEL 12/7/1954 1 47270 FOLDER 030 A64204 41752399079157 WILLIAM F FRIEDMAN LETTER: TO MR W A KENYON, TREASURER WAR DEPARTMENT BENEFICIAL ASSOCIATION 12/6/1954 1 47270 FOLDER 030 A64254 41752489079166 WILLIAM F FRIEDMAN LETTER: TO MR BORIS C W HAGELIN, TALKS ABOUT THE EQUIPMENT ON ORDER 12/3/1954 2 47270 FOLDER 030 A64256 41752629079179 WILLIAM F FRIEDMAN LETTER: TO MR MCFADDEN, REQUESTS PROCUREMENT DELAYED IN ORDER TO PERMIT A CONSOLIDATED ORDER FROM NSA 12/3/1954 1 47270 FOLDER 030 A64260 41752849079201 WILLIAM F FRIEDMAN LETTER: TO MRS O K WRIGLEY, THANKS FOR ANNOUNCEMENT ON OPENING OF NEW OFFICES IN PASADENA, CALIFORNIA, ASKS FOR LISTING OF THE BOOKS IN12/3/1954 THE ARENSBERG COLLECTION1 47270 FOLDER 030 A64263 41754819079397 WILLIAM F FRIEDMAN MEMORANDUM FOR SUKLO RE LOOKING FOR GC&CS DOCUMENT 12/2/1954 1 47270 FOLDER 030 A64267 41754849079400 WILLIAM F. FRIEDMAN MEMORANDUM FOR MR. W. PARK ARMSTRONG JR., DEPARTMENT OF STATE LOOKING FOR INFO RELATIVE TO A TOJO MESSAGE 12/2/1954 1 47270 FOLDER 030 A64269 41754919079407 WILLIAM F FRIEDMAN LETTER: TO MR WALTER YUST RE BRITANNICA ARTICLE 11/17/1954 1 47270 FOLDER 030 A64294 41754949079410 WILLIAM F FRIEDMAN LETTER TO MR BORIS C W HAGELIN: TALKS ABOUT TWO LETTERS FROM BORIS 11/17/1954 2 47270 FOLDER 030 A64297 41754989079414 WILLIAM F FRIEDMAN LETTER: TO DR S S WILKS ABOUT A DR BERT F GREEN 11/17/1954 2 47270 FOLDER 030 A64298 41755089079424 WILLIAM F FRIEDMAN LETTER: TO CIA 11/16/1954 1 47270 FOLDER 030 A64302 41755139079429 WILLIAM F FRIEDMAN MEMORANDUM: FOR CHIEF OF STAFF, REVIEW OF "064" OPERATION 11/16/1954 1 47270 FOLDER 030 A64305 41755159079431 WILLIAM F FRIEDMAN LETTER: TO HONORABLE J EDGAR HOOVER, THANKS FOR PROMPT ACTION IN REVIEWING AND FINDING NO OBJECTION TO THE TRANSCRIPT OF THE PORTION11/15/1954 OF THEIR MANUSCRIPT DEALING1 WITH SERVICES OF SPECIAL AGENT FRED M MILLER 47270 FOLDER 030 A64308 41755219079437 WILLIAM F FRIEDMAN LETTER: TO MR LARRY CLARK, SHOWS INTEREST IN OBTAINING COPY OF JONEN BOOK "GESCHICTE DER STENOGRAPHIE" FOR HIS PERSONAL USE 11/15/1954 1 47270 FOLDER 030 A64311 41755259079441 WILLIAM F. FRIEDMAN LETTER: TO MR. W. J. GALBRAITH 11/15/1954 1 47270 FOLDER 030 A64351 41755319079447 LOAN OF "ROBERTSON REPORT" 11/10/1954 1 47270 FOLDER 030 A64355 41755379079453 WILLIAM F FRIEDMAN LETTER: TO COLONEL DALE M KING, WANTS ADMIRAL THEOBALD'S JAPANESE TRANSLATED BOOK "THE FINAL SECRET OF PEARL HARBOR" 11/10/1954 1 47270 FOLDER 030 A64357 41755399079455 WILLIAM F FRIEDMAN LETTER: TO MISS PAULINE HOLMES, THANKS FOR THE DOCUMENTS THAT WERE SENT 11/10/1954 1 47270 FOLDER 030 A64358 41755449079460 WILLIAM F FRIEDMAN MEMORANDUM FOR GENERAL CANINE: BROWNELL COMMITTEE REPORT 11/9/1954 1 47270 FOLDER 030 A64362 41755829079497 WILLIAM F FRIEDMAN LETTER: TO MR J M SCOTT, COMPLAINING ABOUT INOPERABLE G.E. ELECTRIC BLANKETS 11/8/1954 1 47270 FOLDER 030 A64366 41756009079515 WILLIAM F FRIEDMAN LETTER: TO COLONEL BRUCE W BIDWELL USA (RET.), TALKS ABOUT INCLUDING COLLABORATION WITH THE BRITISH IN THE COMMUNICATION INTELLIGENCE FIELD11/5/1954 TO BE INCLUDED IN HISTORY2 OF MILITARY INTELLIGENCE 47270 FOLDER 030 A64370 41756059079520 WILLIAM F FRIEDMAN LETTER: TO MR H L CLARK, LOOKING FOR A COPY OF ROHRBACH, HANS "MATHEMATISCHE AND MASCHINELLE METHODEN BEIM CHIFFRIEREN UND DECHIFFRIEREN"11/4/1954 1 47270 FOLDER 030 A64376 41756119079525 WILLIAM F FRIEDMAN MEMO: TO COMPTROLLER, COVER SHEET FOR DRAFT OF NSA REGULATION 113-1 11/3/1954 1 47270 FOLDER 030 A64377 41756159079530 WILLIAM F FRIEDMAN MEMORANDUM: TO CHIEF OF STAFF, COMPROMISES OF COMINT DUE TO INEFFECTIVE COMSEC 11/3/1954 3

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47270 FOLDER 030 A64380 41756349079548 WILLIAM F FRIEDMAN LETTER: TO POTOMAC ELECTRIC POWER COMPANY, FRIEDMAN COMPLAINS ABOUT SMALL ALUMINUM STRUCTURE IN HIS NEIGHBORHOOD BELONGING TO PEPCO11/3/1954 1 47270 FOLDER 030 A64382 41756659079580 WILLIAM F FRIEDMAN MEMORANDUM FOR THE DIRECTOR, MEASURES TO INCREASE THE EFFECTIVENESS AND USE OF NSA'S SCIENTIFIC ADVISORY BOARD AND PANELS 11/1/1954 2 47270 FOLDER 030 A64384 41756749079588 WILLIAM F FRIEDMAN LETTER: TO MISS MARY L REDDINGTON, THANKS FOR RESPONSE AND FOR COPY OF DR SHANNON'S PAPER "PREDICTION AND ENTROPY OF PRINTED ENGLISH" 11/1/1954 1 47270 FOLDER 030 A64394 41756789079592 WILLIAM F FRIEDMAN LETTER: TO MR A TRADUP, COMPLETED PROCESSING FOR MEMBERSHIP ON THE TELECOMMUNICATIONS PANEL OF THE NATIONAL SECURITY AGENCY SCIENTIFIC11/4/1954 ADVISORY BOARD 1 47270 FOLDER 030 A64400 41756829079595 WILLIAM F FRIEDMAN LETTER: TO DR C G SUITS, COMPLETED PROCESSING FOR MEMBERSHIP ON THE ELECTRONICS PANEL OF THE NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY11/4/1954 BOARD INVITED FOR 2 DAY1 ORIENTATION AT NSA 47270 FOLDER 030 A64408 41756869079600 WILLIAM F FRIEDMAN LETTER: TO MR BORIS C W HAGELIN, THANKS HIM FOR ALLOWING FRIEDMAN THE USE OF HIS HOUSE IN ZUG 10/28/1954 1 47270 FOLDER 030 A64411 41756929079605 WILLIAM F FRIEDMAN LETTER: TO COL. FIGL, UNABLE TO UNDERTAKE AN EXAMINATION OF MANUSCRIPT AND FRIEDMAN CAN NO LONGER BE OF ASSISTANCE TO HIM 10/29/1954 1 47270 FOLDER 030 A64415 41756969079610 L H FROST LETTER: TO ASSISTANT CHIEF OF STAFF, G-2 -- M-209S SENT TO FRENCH INDOCHINA 10/28/1954 1 47270 FOLDER 030 A64418 41757079079621 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR STEWART S CAIRNS, YES, HE SAW SACKS PIECE IN THE NEW YORKER 10/28/1954 1 47270 FOLDER 030 A64421 41757139079627 L. H. FROST LETTER: TO MR. H. P. CORWITH, ACKNOWLEDGING RECEIPT OF MR. CORWITH'S LTR DTD 27 AUG 54 WITH ITS ATTACHMENTS CONCERNING DEVELOPMENT OF CENTRAL PROCESSING9/9/1954 SYSTEM. EXPLANATION2 OF SECURITY CLEARANCES REQUEST FOR CONTRACT AWARD 47270 FOLDER 030 A64422 41757209079634 WILLIAM F. FRIEDMAN LETTER: TO DR. S. S. WILKS, WOULD LIKE TO GET TOGETHER WITH WILKS TO DISCUSS SOME PROBLEMS OF MUTUAL INTEREST 10/27/1954 1 47270 FOLDER 030 A64428 41757249079638 WILLIAM F FRIEDMAN LETTER: TO JOHN V DODGE, TALKS IN DETAIL ABOUT THE REVISION OF HIS ARTICLE CODES AND CIPHERS AND THAT HIS WORDS GO WELL BEYOND THE 6,000 10/27/1954WORD LIMIT 3 47270 FOLDER 030 A64429 41757309079644 WILLIAM F FRIEDMAN LETTER: TO COLONEL BARTON S. PULLING, USAF, INTERESTED IN SOME STUDIES 10/25/1954 1 47270 FOLDER 030 A64430 41757389079652 WILLIAM F FRIEDMAN LETTER: TO THE HONORABLE J EDGAR HOOVER, ENCLOSES FOR HIS SCRUTINY A COPY OF TWO TYPESCRIPT PAGES OF CHAPTER XII CONTAINING ACCOUNT OF10/25/1954 DR MILLER'S ASSISTANCE 1 47270 FOLDER 257 A64554 41751589079090 MILITARY CRYPTANALYTICS, PART II, INTERIM EDITION (SECOND SECTION); LAMBROS D. CALLIMAHOS AND WILLIAM F. FRIEDMAN 2/1/1958 257 47270 FOLDER 257 A64556 41751819079101 MILITARY CRYPTANALYTICS, PART II, INTERIM EDITION (THIRD SECTION); LAMBROS D. CALLIMAHOS AND WILLIAM F. FRIEDMAN 2/1/1958 242 47270 FOLDER 256 A64557 41751929079109 PROBLEMS IN READING, KNOWN ALPHABETS; TRAINING DIVISION 6/16/1954 2 47270 FOLDER 256 A64558 41751949079112 PROBLEMS IN THE CRYPTANALYSIS OF THE ZEN-40 CIPHER MACHINE; TRAINING DIVISION 6/14/1954 5 47270 FOLDER 254 A64560 41751989079119 MILITARY CRYPTANALYSIS, PART II, SIMPLER VARIETIES OF POLYALPHABETIC SUBSTITUTION SYSTEMS, THIRD EDITION FROM WAR DEPARTMENT, OFFICE OF CHIEF SIGNAL OFFICER, WASHINGTON1/1/1943 D. C 137 47270 FOLDER 254 A64561 41752109079130 MILITARY CRYPTANALYSIS, PART II, WILLIAM F. FRIEDMAN: SIMPLER VARIETIES OF POLYALPHABETIC SUBSTITUTION SYSTEMS 1/1/1937 106 47270 FOLDER 253 A64563 41752229079148 MILITARY CRYPTANALYTICS, PART II, INTERIM EDITION (FIRST SECTION): PERIODIC POLYALPHABETIC SUBSTITUTION SYSTEMS; WILLIAM F. FRIEDMAN AND LAMBROS D. CALLIMAHOS 12/1/1955 225 47270 FOLDER 252 A64565 41752429079163 MILITARY CRYPTANALYSIS, PART II, SIMPLER VARIETIES OF POLYALPHABETIC SUBSTITUTION SYSTEMS, WAR DEPARTMENT 1/1/1938 126 47270 FOLDER 252 A64566 41752539079175 MILITARY CRYPTANALYSIS, PART II, SIMPLER VARIETIES OF POLYALPHABETIC SUBSTITUTION SYSTEMS, WAR DEPARTMENT 1/1/1941 126 47270 FOLDER 255 A64567 41752639079180 MILITARY CRYPTANALYSIS PART I: MONOALPHABETIC SUBSTITUTION WITH IRREGULAR-LENGTH CIPHER UNITS; MONOME-DINOME SYSTEMS AND OTHERS 1/1/1941 8 47270 FOLDER 255 A64568 41752679079184 MILITARY CRYPTANALYSIS, PART I, SYLLABARY SQUARES AND CODE CHARTS 1/1/1941 12 47270 FOLDER 255 A64569 41752709079187 MILITARY CRYPTANALYSIS, PART 1, COURSE LESSON 10, PARS. 81-84; MISCELLANEOUS MONOALPHABETIC SUBSTITUTION SYSTEMS; CONCEALMENT SYSTEMS, WILLIAM F. FRIEDMAN 4/1/1956 4 47270 FOLDER 030 A64580 41757489079662 WILLIAM F FRIEDMAN LETTER: TO JOSH, OUTLINES A PROPOSAL TO GAIN THE SERVICES OF A BRITISH TO COME FOR A VISIT TO NSA AND ALSO TO CONDUCT A SEMINAR IN THE FIELD10/21/1954 OF MATHEMATICS AND STATISTICS2 AT PRINCETON UNIVERSITY FOR 6 TO 8 WEEKS 47270 FOLDER 030 A64582 41757639079677 WILLIAM F FRIEDMAN LETTER: TO COLONEL BARTON S. PULLING USAF, ON THE SUBJECT OF TESTING PEOPLE FOR POSSIBLE CRYPTANALYTIC ABILITY 10/26/1954 1 47270 FOLDER 030 A64594 41757809079694 WILLIAM F FRIEDMAN LETTER: TO COLONEL BARTON S PULLING, USAF, HAS TAKEN COLONEL PULLING'S ADVICE 10/26/1954 1 47270 FOLDER 030 A64609 41757879079701 WILLIAM F FRIEDMAN LETTER TO: MR DAVID KAHN RESPONDS TO LETTER FROM EDITORIAL DEPARTMENT THE NEWS TALKS ABOUT ARTICLE THAT WAS SENT TO HIM ALSO ON THE 10/26/1954MELCHIOR'S PIECE THAT WAS1 IN LIFE MAGAZINE GRACIOUSLY TURNS DOWN INVITATION TO COME TO NEW YORK 47270 FOLDER 030 A64612 41757949079708 WILLIAM F FRIEDMAN LETTER: TO RENE PRESSEQ DE CHAUNY, FRIEDMAN RECEIVED A BOOK FROM DE CHAUNY 10/21/1954 1 47270 FOLDER 030 A64613 41757999079712 WILLIAM F FRIEDMAN LETTER: TO MR JOHN C MCPHERSON, CLARIFYING WHETHER THE ALPHABET EXHIBITION WAS STILL AVAILABLE 10/21/1954 1 47270 FOLDER 030 A64614 41758069079720 WILLIAM F FRIEDMAN LETTER: TO COMMANDER PENDERGRASS, TEC TURNING OVER TO THE COMMANDER FOR RETENTION, A DOCUMENT CALLED SIGSALY 10/21/1954 1 47270 FOLDER 030 A64615 41761599080073 WILLIAM F FRIEDMAN LETTER: TO CHIEF ARMY SECURITY AGENCY, THANKS FOR DOCUMENT "RC-220-T1" 10/21/1954 1 47270 FOLDER 030 A64616 41763619080275 LH FROST LETTER: TO MR H P CORWITH, RESPONDING WITH A FAVORABLE RESPONSE AFTER STUDYING "REPORT RELATING TO THE DEVELOPMENT OF A CENTRAL PROCESSING SYSTEM"10/21/1954 1 47270 FOLDER 030 A64619 41763709080284 IT MCDONALD MEMORANDUM FOR MR FRIEDMAN, RESPONDS TO A PHONE CALL AND THAT NSA IS HAPPY TO COOPERATE WITH A POSSIBLE VISIT 10/21/1954 1 47270 FOLDER 030 A64621 41773379081246 WILLIAM F FRIEDMAN LETTER: TO MAJOR JAMES C MOORE JR, RESPONDS TO A LETTER AND RECOMMENDS THAT A LETTER TO THE DIRECTOR NSA ASKING FOR AN OFFICIAL DOCUMENT10/21/1954 ENTITLED "WAR SECRETS1 IN THE ETHER" PARTS I, II, AND III BY WILLIAM F FLICKE BE SENT IN 47270 FOLDER 030 A64625 41773389081247 WILLIAM F FRIEDMAN LETTER: TO CHIEF J O WILLIAMS, REQUEST FOR PURCHASE OF THE BOOK "TREE OF ALPHABETS" 10/21/1954 1 47270 FOLDER 030 A64626 41773399081248 WILLIAM F FRIEDMAN LETTER: TO MISS PAULINE HOLMES, ASKS ABOUT NOTEBOOKS WORKSHEETS FROM MRS GALLUP'S ON THE BILITERAL CIPHER REFERRED TO AS THE PROPERTY10/20/1954 OF MR. SLOMAN 1 47270 FOLDER 030 A64629 41773409081249 WILLIAM F FRIEDMAN LETTER: RETURNING TWO OF THE THREE ADDITIONAL COPIES SENT OF DR HANNON'S COMMUNICATION THEORY OF SECRECY SYSTEMS, THANKS FOR THE COPY10/20/1954 OF DR SHANNON'S "A MATHEMATICAL1 THEORY OF COMMUNICATION" 47270 FOLDER 030 A64631 41773419081250 WILLIAM F FRIEDMAN LETTER: TO REAR ADMIRAL S C HOOPER USN (RET), ADM HOOPER REQUESTED IN TELEPHONE CALL ON 18 OCT THAT LTR SERIAL 5603 DTD 12 OCT 54 BE RESENT1/1/1954 TO LOCAL ADDRESS REFERS1 TO REGULATION ABOUT DUAL COMPENSATION 47270 FOLDER 030 A64635 41773429081251 WILLIAM F FRIEDMAN LETTER: TO REAR ADMIRAL S C HOOPER USN (RET), INFORMING THE ADMIRAL OF HIS ACCEPTANCE TO THE NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY10/19/1954 BOARD INVITING HIM FOR1 A TWO DAY VISIT 47270 FOLDER 030 A64636 41773439081252 I T MCDONALD MEMO FOR MR FRIEDMAN: SAC/ODM, 10/18/1954 1 47270 FOLDER 030 A64638 41773449081253 WILLIAM F. FRIEDMAN LETTER: TO A. B. CRYPTOTEKNIK, THANKS FOR THE PHOTOS OF THE C-4 AND BC-MACHINES 10/19/1954 1 47270 FOLDER 251 A64639 41748559078775 NATIONAL SECURITY AGENCY COURSE IN MILITARY CRYPTANALYSIS, PART I 12/1/1952 37 47270 FOLDER 030 A64640 41773459081254 JESSIE R WISDOM LETTER TO MR JOHN C MCPHERSON ASKED TO SIGN TRAVEL VOUCHER SO HE CAN GET REIMBURSED FOR VISIT TO NSA 10/14/1954 1 47270 FOLDER 250 A64641 41748609078779 NATIONAL SECURITY AGENCY PROBLEM BOOK, COURSE, MILITARY CRYPTANALYTICS, PART 1 (SHORT TITLE: MC-I PROBLEMS); MONOALPHABETIC SUBSTITUTION SYSTEMS 5/1/1954 86 47270 FOLDER 249 A64644 41748639078784 MILITARY CRYPTANALYSIS, PART I -- MONOALPHABETIC SUBSTITUTION SYSTEMS 1/1/1936 178 47270 FOLDER 248 A64645 41748679078786 APPENDIX 2 TO MILITARY CRYPTANALYSIS PART 1, HEADQUARTERS, ARMY SECURITY AGENCY 11/1/1946 41 47270 FOLDER 247 A64646 41748699078793 MILITARY CRYPTANALYSIS, PARTS I AND II: MONOALPHABETIC SUBSTITUTION SYSTEMS 1/1/1938 270

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47270 FOLDER 246 A64648 41748769078795 ARMY EXTENSION COURSES, SUBCOURSE-MILITARY CRYPTANALYSIS PART I, MONALPHABETIC SUBSTITUTION SYSTEMS 1/1/1937 41 47270 FOLDER 245 A64649 41748799078803 NATIONAL SECURITY AGENCY, MILITARY CRYPTANALYTICS, PART I 4/1/1956 430 47270 FOLDER 030 A64651 41773469081255 WILLIAM F. FRIEDMAN LETTER: TO REVILO PENDLETON OLIVER 10/14/1954 1 47270 FOLDER 030 A64662 41773479081256 WILLIAM F FRIEDMAN LETTER: TO COLONEL THOMAS H KING, THANKS HIM FOR COPY OF BOARD PROCEEDINGS RELATIVE TO HIS ACCUMULATING LESS THAN 20 YEARS IN THE SERVICE10/14/1954 2 47270 FOLDER 030 A64664 41773489081257 WILLIAM F FRIEDMAN LETTER: TO DR NEWBER SMITH, LOOKING FOR FORMS FOR NOMINATION TO MEMBERSHIP ON THE TELECOMMUNICATIONS PANEL OF THE NATIONAL SECURITY10/12/1954 AGENCY SCIENTIFIC ADVISORY1 BOARD 47270 FOLDER 030 A64668 41773509081259 WILLIAM F FRIEDMAN LETTER TO PROFESSOR SAUNDERS MACLANE WELCOMING HIM AS A MEMBER OF THE NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY BOARD AND INVITING1/1/1954 FOR A 2 DAY VISIT 1 47270 FOLDER 030 A64669 41773539081262 WILLIAM F FRIEDMAN LETTER: TO AG, CONCURS WITH THE RECOMMENDATION CONTAINED IN COMMENT NO. 4 10/5/1954 1 47270 FOLDER 030 A64671 41773559081264 I T MCDONALD LETTER: TO DR S S WILKS, ACKNOWLEDGES RECEIPT OF LETTER WHICH ENCLOSED THE COMPLETED FORMS COVERING THE EXPENSES OF YOUR RECENT TRIP 10/1/1954 1 47270 FOLDER 030 A64672 41773599081268 I T MCDONALD LETTER: TO MR JOHN C MCPHERSON, NOTIFYING HIM OF A DELAY IN SETTLING HIS EXPENSES 10/1/1954 1 47270 FOLDER 030 A64673 41773619081271 WILLIAM F FRIEDMAN LETTER: TO MR JOHN V DODGE, THANKS FOR EXTENSION OF DEADLINE FOR ARTICLE CODES AND CIPHERS FROM 15 OCTOBER TO 15 NOVEMBER 10/1/1954 1 47270 FOLDER 030 A64678 41773649081274 WILLIAM F FRIEDMAN MEMORANDUM FOR SUKLO REQUESTS THAT HE SEND MESSAGE TO DIRECTOR GCHQ INFORMING HIM THAT FRIEDMAN SENT HAGELIN JUNIOR A LETTER INFORMING10/1/1954 HIM THAT HE NOT1 DELAY HIS TRIP BUT IF SO HE MIGHT HAVE SOMETHING FOR HIM IN A MONTHS TIME 47270 FOLDER 030 A64680 41773689081277 WILLIAM F FRIEDMAN LETTER: TO MR BORIS HAGELIN JR, THANKS, TALKS ABOUT HAGELIN'S TRIP 9/29/1954 1 47270 FOLDER 237 A64681 41760269079943 ELEMENTS OF CRYPTANALYSIS, TRAINING PAMPHLET NO. 3; PREPARED IN THE OFFICE OF THE CHIEF SIGNAL OFFICER 5/12/1923 163 47270 FOLDER 236 A64682 41761559080069 ARMY EXTENSION COURSES, SOLUTIONS, SUBCOURSE, ELEMENTARY MILITARY CRYPTOGRAPHY 1/1/1943 36 47270 FOLDER 236 A64683 41760529079966 ARMY EXTENSION COURSES, SUBCOURSE, ELEMENTARY MILITARY CRYPTOGRAPHY; INTRODUCTION AND LESSON 1 5/3/1943 40 47270 FOLDER 236 A64684 41760369079950 ARMY EXTENSION COURSES, SPECIAL TEXT NO. 165, ELEMENTARY MILITARY CRYPTOGRAPHY; 1935 EDITION 1/1/1935 83 47270 FOLDER 236 A64685 41760629079976 ARMY EXTENSION COURSES, SPECIAL TEXT NO. 165, ELEMENTARY MILITARY CRYPTOGRAPHY; 1943 EDITION 1/1/1943 84 47270 FOLDER 230 A64686 41761219080058 ARMY SECURITY AGENCY, TABLE OF THE BINOMIAL DISTRIBUTION 5/1/1946 618 47270 FOLDER 231 A64687 41760429079956 THE INDEX OF COINCIDENCE; HOWARD H. CAMPAIGNE WITH PERSONAL NOTE TO WILLIAM F. FRIEDMAN 1/12/1955 51 47270 FOLDER 231 A64688 41760939080007 STATISTICS FOR CRYPTOLOGY; HOWARD H. CAMPAIGNE 1/1/1955 65 47270 FOLDER 235 A64689 41760719079986 ARMY EXTENSION COURSES, SPECIAL TEXT NO. 166, ADVANCED MILITARY CRYPTOGRAPHY; 1935 EDITION 1/1/1935 118 47270 FOLDER 235 A64690 41760679079981 ARMY EXTENSION COURSES, SPECIAL TEXT NO. 166, ADVANCED MILITARY CRYPTOGRAPHY; EDITION 1943 (REVISION OF 1935) 2/2/1943 117 47270 FOLDER 235 A64691 41760779079990 ARMY EXTENSION COURSE, SPECIAL TEXT NO. 166, ADVANCED MILITARY CRYPTOGRAPHY; SECOND (1943) EDITION 2/2/1943 117 47270 FOLDER 030 A64692 41773789081287 WILLIAM F FRIEDMAN LETTER: TO MR DONALD E STEWART, ASKING FOR AN EXTENSION FOR A REVISION OF HIS ARTICLE EXPLAINS PROCEDURE HE IS FOLLOWING TO ENSURE APPROVAL9/29/1954 BEFORE RELEASE 2 47270 FOLDER 030 A64693 41773919081300 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR ROBERT E GREENWOOD, THANKS FOR INFORMING HIM OF NEW YORKER ARTICLE, MENTIONS YARDLEY'S THE AMERICAN BLACK CHAMBER9/28/1954 AND THE LITERARY BLACK1 CHAMBER 47270 FOLDER 030 A64694 41774059081314 WILLIAM F FRIEDMAN LETTER: TO MR WILLIAM J MITCHEL, PRESIDENT ACME CODE COMPANY, THANKS FOR THE NOTE AND CATALOGS 9/28/1954 1 47270 FOLDER 030 A64695 41774069081315 WILLIAM F FRIEDMAN LETTER: TO M R P DE CHAUNY, ASKS HOW MUCH HE OWES FOR A BOOK 9/22/1954 1 47270 FOLDER 030 A64696 41774079081316 WILLIAM F FRIEDMAN LETTER: TO M R P DE CHAUNY, ASKS HOW MUCH HE OWES FOR BOOK PURCHASED FOR HIM 9/27/1954 1 47270 FOLDER 030 A64698 41774089081317 WILLIAM F. FRIEDMAN LETTER: TO MR. R. K. HONAMAN OF BELL LABORATORIES, TALKS ABOUT EXCHANGING OR KEEPING EXTRA COPIES OF COMMUNICATION THEORY OF SECRECY 9/27/1954SYSTEMS 1 47270 FOLDER 030 A64701 41774099081318 WILLIAM F FRIEDMAN MESSAGE TO SUSLO LONDON - PERSONAL FOR COL PULLING 1/1/1955 1 47270 FOLDER 030 A64702 41774109081319 WILLIAM F FRIEDMAN LETTER: TO MR A W HORTON JR, TRAVEL ORDERS ISSUED FOR YOUR VISIT PICK UP IN WASHINGTON IF NOT FORWARDED BEFORE YOUR DEPARTURE 9/21/1954 1 47270 FOLDER 030 A64704 41774119081320 WILLIAM F FRIEDMAN LETTER: TO SUKLO FOR MR JONES DIRECTOR GCHQ, SOME CONFUSION ON DEMARCHE SO FAR HAVE SEEN NOTHING 9/27/1954 1 47270 FOLDER 030 A64707 41774129081321 WILLIAM F FRIEDMAN LETTER: TO MR E O LIEGHLEY, RESPONDS TO REQUEST FOR ASSISTANCE ON IDENTIFYING ALLEGED CODE 9/21/1954 1 47270 FOLDER 030 A64709 41774139081322 WILLIAM F. FRIEDMAN LETTER: TO COLONEL BARTON S. PULLING, SUSLO, TALKS ABOUT CORRESPONDENCE 9/21/1954 2 47270 FOLDER 030 A64710 41774149081323 WILLIAM F. FRIEDMAN LETTER: TO MR. JOHN C. MCPHERSON 9/23/1954 1 47270 FOLDER 030 A64711 41774169081325 WILLIAM F FRIEDMAN LETTER: TO MR THOMAS J WATSON, ASKS IF IBM COULD BRING THE ALPHABET EXHIBITION TO THE UNITED STATES 1/1/1955 1 47270 FOLDER 030 A64712 41774189081327 WILLIAM F FRIEDMAN LETTER: TO DR S S WILKES 9/17/1954 1 47270 FOLDER 030 A64713 41774199081328 WILLIAM F FRIEDMAN LETTER: TO DR S S WILKES 1/1/1955 1 47270 FOLDER 030 A64714 41774249081333 WILLIAM F FRIEDMAN LETTER: TO CHIEF PERSONNEL, MILITARY ASSIGNMENT POLICIES PERTAINING TO NSA MOVE 9/17/1954 2 47270 FOLDER 030 A64715 41774289081338 WILLIAM F FRIEDMAN LETTER: TO DD/RD, REPORT FOR THE DEVELOPMENT OF A CENTRAL PROCESSING SYSTEM REPORT BEING SENT FOR STUDY 9/17/1954 1 47270 FOLDER 030 A64716 41774339081342 WILLIAM F FRIEDMAN LETTER: TO LOG , ASKED THAT ENCLOSED SLIPS FROM PROD S/SEC AND R/D BE CONSOLIDATED INTO SINGLE ORDER AND PROCURED 9/17/1954 1 47270 FOLDER 234 A64719 41761109080025 BASIC CRYPTOLOGIC GLOSSARY 10/7/1955 44 47270 FOLDER 030 A64720 41774399081348 WILLIAM F FRIEDMAN LETTER: TO MR BORIS HAGELIN JR., WANTS SOME LITERATURE ON MACHINES 9/17/1954 1 47270 FOLDER 234 A64721 41761069080020 DRAFT SAMPLINGS FOR THE UNABRIDGED CRYPTOLOGIC GLOSSARY 6/6/1955 21 47270 FOLDER 233 A64722 41761039080018 THE INDEX OF COINCIDENCE AND ITS APPLICATIONS IN CRYPTANALYSIS; TECHNICAL PAPER BY WILLIAM F. FRIEDMAN, WAR DEPARTMENT 1/1/1935 87 47270 FOLDER 030 A64723 41774719081380 WILLIAM F FRIEDMAN LETTER 9/17/1954 1 47270 FOLDER 232 A64725 41760989080012 INDICATIONS LIST; SECTION I "INDICATIONS OF SOVIET PREPARATIONS TO INITIATE GENERAL WAR", SECTION II "SOVIET PREPARATIONS TO LAUNCH AN ATOMIC AIR ASSAULT AGAINST4/29/1953 CONUS" 37 47270 FOLDER 232 A64726 41760959080009 BASIC CRYPTOLOGIC GLOSSARY; DRAFT 7/7/1954 111 47270 FOLDER 030 A64727 41774799081388 WILLIAM F FRIEDMAN LETTER: TO DR ARTHUR L SAMUEL, NOT NECESSARY TO SEND VERY MUCH CLASSIFIED MATERIAL, EXPLAINS FORWARDING PROCEDURES 9/16/1954 1 47270 FOLDER 030 A64729 41774859081394 L H FROST LETTER: TO MAJOR GENERAL A C SMITH USA, FRIEDMAN HAS REVIEWED DRAFT OF HISTORY OF THE MILITARY INTELLIGENCE DIVISION DEPARTMENT OF THE ARMY GENERAL9/15/1954 STAFF, AND PENCILED NOTES1 ON THE MANUSCRIPT

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47270 FOLDER 030 A64731 41774959081404 WILLIAM F FRIEDMAN LETTER: TO MR R KARL HONAMAN, THANKS FOR SENDING BELL TELEPHONE LABORATORIES THREE COPIES OF DR SHANNON'S MONOGRAPH ENTITLED COMMUNICATION9/15/1954 THEORY OF SECRECY1 SYSTEMS 47270 FOLDER 030 A64732 41775039081412 WILLIAM F FRIEDMAN LETTER: TO SEC, FOREIGN TRAVEL BY SS CAIRNS 9/14/1954 1 47270 FOLDER 030 A64735 41775199081428 WILLIAM F FRIEDMAN LETTER: 9/13/1954 1 47270 FOLDER 030 A64739 41775279081436 WILLIAM F FRIEDMAN LETTER: TO ADJUTANT GENERAL, HAD FAILED TO NOTIFY BY 1 JUNE OF CONTINUATION OF CURRENT ADDRESS 9/10/1954 1 47270 FOLDER 030 A64743 41775349081443 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR MARSHALL HALL JR, GLAD TO SEE HE IS CONTINUING AS A MEMBER OF MATHEMATICS PANEL INVITES HIM TO COME FOR A VISIT AS A9/10/1954 CONSULTANT 1 47270 FOLDER 030 A64776 41775399081447 WILLIAM F FRIEDMAN LETTER: TO MR WILLIAM J MITCHEL 9/9/1954 1 47270 FOLDER 030 A64779 41775439081452 WILLIAM F FRIEDMAN LETTER: TO MR H P CORWITH, THANKS OF LETTER WITH ATTACHMENTS HAVE NOT BEEN ABLE TO EXAMINE SUMMARY OF EVENTS AND THE REPORT ITSELF 9/9/1954 1 47270 FOLDER 030 A64780 41775479081456 WILLIAM F FRIEDMAN TO LT H R PETERSON USN, RECEIVED LETTER FROM SELFRIDGE'S LOOKING FOR A PARCEL ASK CHIEF WILLIAMS ABOUT PACKAGE OF BOOKS HE WAS SENDING, LOOKING9/9/1954 FOR TR COVERING1 HIS TRIP 47270 FOLDER 030 A64782 41775529081461 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR MARSHALL HALL JR, DISAPPOINTED IN HIS RESIGNING FROM MATHEMATICS PANEL OF THE NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY8/24/1954 BOARD WOULD PREFER1 TO CALL IT A TEMPORARY LEAVE OF ABSENCE 47270 FOLDER 030 A64783 41775579081466 GEO E CAMPBELL LETTER TO CHIEF ARMY SECURITY AGENCY, A REQUEST FOR A PUBLICATION WHICH HAD A CLASSIFICATION OF RESTRICTED SUGGESTING THAT THE REQUEST BE REFERRED1/1/1954 TO OFFICE OF CHIEF1 SIGNAL OFFICER FOR ATTENTION 47270 FOLDER 030 A64784 41775609081469 HAND WRITTEN DRAFT BELIEVE FROM FRIEDMAN TO CHIEF ASA REFERS TO DOCUMENT NUMBER 116 1/1/1954 1 47270 FOLDER 030 A64785 41775659081474 ROUTING SLIP " MR. CEFAIL FROM TNG SAYS THEY HAVE AROUND 3 DOZEN COPIES OF THE REPRINT OF "ARTICLES ON CRYPTOGRAPHY AND CRYPTANALYSIS" 9/9/1954 1 47270 FOLDER 030 A64786 41775719081480 WILLIAM F FRIEDMAN LETTER: TO DR F D LEAMER, MR A W HORTON MEMBER OF NSASAB FELT THAT MR WIGINGTON A MEMBER OF BELL TELEPHONE TECHNICAL STAFF WOULD BE OF9/3/1954 VALUE TO THIS AGENCY1 47270 FOLDER 030 A64828 41775759081484 WILLIAM F FRIEDMAN LETTER: TO CHIEF J O WILLIAMS USN, TALKS ABOUT PERSONAL SITUATIONS IE: HOUSING HAS HAD NO WORD FROM SELFRIDGE'S 8/31/1954 1 47270 FOLDER 030 A64843 41775819081490 WILLIAM F FRIEDMAN LETTER: TO MR LEO ROSEN, TALKS ABOUT WHERE HE COULD BEST BE UTILIZED PROBABLY SERVING IN A CONSULTATIVE CAPACITY TO THE GROUP IN 31 WHICH8/31/1954 IS STUDYING IFF GADGETRY1 47270 FOLDER 030 A64848 41775859081494 WILLIAM F. FRIEDMAN LETTER: TO MR. DONALD E. STEWART, THANK YOU FOR ALLOWING TIME FOR A REVISION TO PREPARE A DEFINITIVE ARTICLE ASKS FOR COPY FITTING PAPER 8/30/1954 1 47270 FOLDER 030 A64851 41775909081499 I T MCDONALD TO SECURITY, LISTS PERSONNEL WHO DO NOT HAVE A "Q" CLEARANCE, TO INCLUDE WILLIAM F FRIEDMAN 8/30/1954 1 47270 FOLDER 030 A64854 41775959081504 WILLIAM F FRIEDMAN LETTER: TO MR R K HONAMAN, ASKS FOR COPIES OF DR C E SHANNON'S MONOGRAPH ENTITLED "COMMUNICATION THEORY OF SECRECY SYSTEMS" 8/30/1954 1 47270 FOLDER 030 A64856 41775999081508 WILLIAM F FRIEDMAN LETTER: TO EUCOM, FOR RADM J N WENGER FROM W F FRIEDMAN ASKING FOR COPY OF BRIEFING ON RELIABILITY OF COMMUNICATIONS IN EUROPE 8/26/1954 1 47270 FOLDER 030 A64857 41776089081516 WILLIAM F FRIEDMAN LETTER: TO COMPTROLLER, PROPOSED EXECUTIVE CONTROL CONFERENCE, FRIEDMAN WOULD LIKE TO ATTEND 8/27/1954 1 47270 FOLDER 030 A64859 41776119081520 WILLIAM F FRIEDMAN LETTER: TO BORIS HAGELIN JR, THANK YOU FOR COURTESIES WHILE IN ZUG 8/25/1954 1 47270 FOLDER 030 A64864 41776179081526 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR E R VINCENT 8/26/1954 2 47270 FOLDER 030 A64868 41776249081532 WILLIAM F FRIEDMAN LETTER: TO MR. WILLIAM MITCHEL 8/26/1954 1 47270 FOLDER 030 A64872 41776299081538 WILLIAM F. FRIEDMAN LETTER TO MR. WHITE 8/24/1954 1 47270 FOLDER 030 A64885 41776349081542 WILLIAM F. FRIEDMAN LETTER: TO JOHN DODGE, ACCEPTS THE ASSIGNMENT TO REVISE HIS ARTICLE CODES & CIPHERS 8/23/1954 2 47270 FOLDER 030 A64893 41776409081549 WILLIAM F FRIEDMAN LETTER: TO COLONEL B S PULLING, LOST LUGGAGE AFTER RETURNING FROM LONDON ON A TWA FLIGHT 8/20/1954 1 47270 FOLDER 030 A64897 41776449081553 WILLIAM F FRIEDMAN LETTER: TO MAJOR JAMES C MOORE JR, FRIEND ASKS FOR HELP IN PREPARING FOR A TALK 8/20/1954 1 47270 FOLDER 030 A64900 41776529081561 WILLIAM F FRIEDMAN LETTER: TO DR F D LEAMER, ASKS FOR INFORMATION ON MR WIGINGTON 8/20/1954 1 47270 FOLDER 030 A64904 41776579081566 WILLIAM F FRIEDMAN LETTER: TO COLONEL JOHN H LINDT USA (RET) 8/20/1954 1 47270 FOLDER 030 A64907 41776679081576 IT MCDONALD LETTER: TO DR A ADRIAN ALBERT 8/12/1954 1 47270 FOLDER 030 A64908 41776719081580 I T MCDONALD LETTER: TO DR S S WILKS, ARRANGEMENTS FOR TRIP TO CHELTENHAM 8/5/1954 1 47270 FOLDER 030 A64909 41776809081588 I T MCDONALD LETTER TO: AG-111 SUBJECT CORRESPONDENCE IS IN APPROPRIATE FILE WITH SPECIAL ASSISTANT ( MR WILLIAM F FRIEDMAN) ACTION TAKEN ON SUBJECT CORRESPONDENCE8/3/1954 BY LETTER 4 MAY1 1954 AG SERIAL 2723 47270 FOLDER 030 A64910 41776889081596 I T MCDONALD LETTER: TO MR JOHN R BOOTH, ACKNOWLEDGMENT OF MR BOOTH'S LETTER 7/26/1954 1 47270 FOLDER 030 A64937 41776909081599 IT MCDONALD LETTER: TO DR S S WILKS, WORKING ON DR WILKES VISIT TO CHELTENHAM USING MATS 7/14/1954 2 47270 FOLDER 030 A64940 41776999081608 WILLIAM F FRIEDMAN LETTER: TO PERSONNEL, REQUEST FOR TRAVEL AND SERVICE OF NSA CONSULTANT 7/13/1954 2 47270 FOLDER 030 A64944 41777069081615 I T MCDONALD LETTER: TO DR STEWART S CAIRNS, PROVIDES INFO ON THE NSA REGISTRY FOR CONSULTANTS 7/12/1954 1 47270 FOLDER 030 A64948 41777119081620 WILLIAM F FRIEDMAN MEMORANDUM FOR DIRECTOR, ATTENTION CHIEF, TRAINING DIVISION, SUBMITS MANUSCRIPT ENTITLED "AUTHOR!" "AUTHOR!" CO AUTHORED WITH HIS WIFE1/1/1954 ELIZEBETH 1 47270 FOLDER 030 A64951 41777169081625 WILLIAM F FRIEDMAN LETTER: TO MR BORIS C W HAGELIN, APOLOGIZES FOR THE DECISION ON THE SALE OF THE M-209 7/2/1954 2 47270 FOLDER 030 A64954 41777239081632 MEMORANDUM FOR DIRECTOR, FM DIRECTOR NSA: HAGELIN NEGOTIATIONS 7/6/1954 4 47270 FOLDER 030 A64958 41777429081651 WILLIAM F FRIEDMAN LETTER: TO DR A A ALBERT, WILL MAKE NECESSARY ARRANGEMENTS TO VISIT CHELTENHAM 7/2/1954 1 47270 FOLDER 030 A64960 41777509081659 ENTERTAINMENT EXPENSES FISCAL YEAR 1956 6/30/1954 3 47270 FOLDER 030 A64962 41777669081675 WILLIAM F FRIEDMAN LETTER: TO PERSONNEL - CATEGORIES OF NSA SPECIALTIES 5/27/1954 2 47270 FOLDER 030 A64965 41777779081687 WILLIAM F FRIEDMAN LETTER: TO PERSONNEL, CATEGORIES OF NSA SPECIALTIES 6/24/1954 2 47270 FOLDER 030 A64969 41777829081691 WILLIAM F FRIEDMAN LETTER: TO PERS(NSARC), ENDORSES MR MILLER'S MEMBERSHIP ON THE TELECOMMUNICATIONS PANEL ON THE NSASAB 7/3/1954 1 47270 FOLDER 030 A64972 41777869081695 WILLIAM F FRIEDMAN MEMORANDUM TO AG, REVISION OF NSA REGULATION NUMBER 11-3 (ATTACHED) 6/30/1954 5 47270 FOLDER 030 A64975 41777889081697 WILLIAM F FRIEDMAN LETTER TO SECURITY, NSA REGULATION 122-3 - TALKS ABOUT REVISED REGULATION DEALING WITH CONSULTANTS 6/30/1954 1 47270 FOLDER 030 A64977 41777909081699 WILLIAM F. FRIEDMAN LETTER: TO DR. A. A. ALBERT, WILL ARRANGE FOR DR. ALBERT TO VISIT CHELTENHAM ENGLAND 7/2/1954 1 47270 FOLDER 030 A64981 41777939081701 WILLIAM F FRIEDMAN LETTER: TO ENCYCLOPEDIA BRITANNICA, MR YUST, ACCEPTS ASSIGNMENT TO REVISE HIS ARTICLE CODES & CIPHERS 7/2/1954 1 47270 FOLDER 030 A64985 41780579081965 I T MCDONALD COVER SHEET TO CHIEFS OF STAFF OFFICES AND DIVISIONS - PRELIMINARY PLANS FOR FIRE DRILLS, NAVSTA 6/24/1954 1 47270 FOLDER 030 A64988 41780639081971 WILLIAM F FRIEDMAN TRAVEL ORDERS REQUEST FORM TO LONDON ENGLAND AND RETURN 6/17/1954 1

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47270 FOLDER 030 A65003 41780749081982 I T MCDONALD LETTER: TO MR J PRESPER ECKERT JR, ASKING FOR INFORMATION REGARDING MINOR DEFECTS IN RECENTLY SUBMITTED PERSONAL HISTORY STATEMENT 6/30/1954 2 47270 FOLDER 030 A65006 41780829081989 I T MCDONALD LETTER: TO DR G W BROWN, ASKING FOR DETAILS FOR SECURITY PEOPLE ON HIS PERSONAL HISTORY STATEMENT 6/30/1954 1 47270 FOLDER 309 A65007 41725709076497 U.S. COMINT LIAISON ACTIVITIES IN GREAT BRITAIN 7/13/1953 5 47270 FOLDER 309 A65008 41725739076500 MEMORANDUM FOR MEMBERS OF THE USCIB, 13 JUL 1953 7/13/1953 2 47270 FOLDER 030 A65011 41780899081995 WILLIAM F FRIEDMAN LETTER: TO MR HENRY E LANGEN, TALKS ABOUT SENDING COPY OF EDGAR ALLAN POE ARTICLE, WISHES HIM LUCK ON HIS FORTHCOMING VOLUME ON CRYPTOGRAPHY6/29/1954 1 47270 FOLDER 309 A65016 41725809076507 FINAL REPORT AND PAPERS OF THE COMINT PLANNING CONFERENCES HELD IN WASHINGTON IN MARCH 1953 7/7/1953 9 47270 FOLDER 309 A65021 41725869076513 MEMORANDUM FOR THE MEMBERS OF THE USCIB, 24 APR, 1953 4/24/1953 3 47270 FOLDER 309 A65026 41787869082687 COMINT ARRANGEMENTS FOR SACLANT 3/7/1953 2 47270 FOLDER 309 A65030 41725969076523 COMINT ARRANGEMENTS FOR SACLANT CONFERENCE 2/9/1953 5 47270 FOLDER 309 A65033 41726019076528 PROPOSED ANNEXURE P, BRUSA 2/12/1953 6 47270 FOLDER 309 A65040 41726099076536 PROPOSED ANNEXURE 02 TO APPENDIX O, BRUSA 2/12/1953 5 47270 FOLDER 309 A65043 41726209076550 PROPOSED REVISION OF APPENDIX N, BRUSA 2/11/1953 26 47270 FOLDER 309 A65047 41726339076560 PROPOSED ANNEXURE TO APPENDIX Q TO BRUSA AGREEMENT 1/29/1953 10 47270 FOLDER 309 A65048 41787889082689 OPERATIONAL AND LOGISTICAL REQUIREMENTS FOR US AUGMENTATION OF GCHQ 1/1/1953 7 47270 FOLDER 309 A65051 41726489076576 PROPOSED REVISION OF APPENDIX H, BRUSA 2/11/1953 16 47270 FOLDER 309 A65052 41726569076581 PROPOSED APPENDIX D, ANNEXURE D1, EXHIBIT 5, BRUSA 2/11/1953 12 47270 FOLDER 309 A65056 41726599076586 PROPOSED ANNEXURE 02 TO APPENDIX B, BRUSA 2/11/1953 9 47270 FOLDER 030 A65059 41780989082004 IT MCDONALD MEMORANDUM TO SUSLO: FROM FRIEDMAN TO PETERSON, RESERVATION FOR SAVILE CLUB ROOM IN LONDON HOTEL 6/29/1954 1 47270 FOLDER 030 A65060 41895649093456 WILLIAM F FRIEDMAN LETTER: TO TRAINING, REQUEST FOR TDY ASSIGNMENT TO STRATEGIC INTELLIGENCE SCHOOL FOR CAPTAIN I T MCDONALD JR 6/21/1954 1 47270 FOLDER 309 A65061 41729739076899 MEMORANDUM TO USCIB, RELEASED OF INFORMATION, 9 FEB 1953 2/9/1953 3 47270 FOLDER 309 A65063 41728079076734 MEMORANDUM TO USCIB, RELEASED OF INFORMATION, 4 FEBRUARY 1953 2/4/1953 4 47270 FOLDER 030 A65065 41781299082035 WILLIAM F. FRIEDMAN LETTER 6/22/1954 1 47270 FOLDER 309 A65067 41728149076740 RELEASE OF INFORMATION, 29 JANUARY 1953 1/29/1953 1 47270 FOLDER 030 A65069 41781399082046 WILLIAM F FRIEDMAN LETTER TO AG, GUIDE LINES FOR SECURITY CLASSIFICATION 6/16/1954 2 47270 FOLDER 309 A65071 41728229076748 COMINT PLANNING CONFERENCE AGENDA, 22 JANUARY 1953 1/22/1953 1 47270 FOLDER 030 A65073 41781539082059 WILLIAM F FRIEDMAN LETTER: TO NSA-723, CLEARANCE OF SAB PERSONNEL FOR NSA 723 EXCLUSION AREA 6/24/1954 1 47270 FOLDER 309 A65076 41728279076753 MEMORANDUM FOR USCIB, RELEASE OF INFORMATION , 15 JANUARY 1953 1/15/1953 7 47270 FOLDER 030 A65078 41781629082068 WILLIAM F FRIEDMAN LETTER: TO LT H R PETERSON, DETAILS WHAT KIND OF RESERVATION HE WANTS WHILE TDY TO LONDON 6/23/1954 1 47270 FOLDER 030 A65080 41781789082084 I T MCDONALD LETTER TO FIS(MAJOR BELT), CANCELLING CIVILIAN TRAVEL FUNDS AND PER DIEM ALLOTTED TO MR JOHN H HOWARD 6/28/1954 1 47270 FOLDER 309 A65081 41728339076760 COMINT PLANNING CONFERENCE AGENDA, 5 JANUARY 1953 1/5/1953 4 47270 FOLDER 030 A65083 41781879082093 REQUEST FOR AUTHORIZATION FOR CIVILIAN TRAVEL AT GOVERNMENT EXPENSE FORM FOR MR JOHN H HOWARD TO NSA 6/23/1954 1 47270 FOLDER 030 A65084 41782019082107 MEMO ROUTING SLIP PLS CALL BETTY AT AG TVL 678 1/1/1954 2 47270 FOLDER 309 A65086 41728399076765 ESTABLISHMENT MOBILE INTERCEPTION UNIT 12/15/1952 1 47270 FOLDER 030 A65088 41782109082116 I. T. MCDONALD LETTER TO FIS (MAJOR BELT), REQUEST CIVILIAN TRAVEL FUNDS AND PER DIEM TO DR. DONALD H. MENZEL BE CANCELLED 6/28/1954 1 47270 FOLDER 309 A65089 41728499076775 PROPOSED REVISION OF APPENDIX "N", BRUSA AGREEMENT 12/3/1952 2 47270 FOLDER 030 A65091 41782179082123 WILLIAM F FRIEDMAN LETTER: TO MILPERS, ADDITIONAL DUTY AFSC FOR CAPT I T MCDONALD JR USAF 6/17/1954 1 47270 FOLDER 309 A65093 41728599076785 FINAL PAPERS OF U.S./U.K./CANADIAN CONFERENCE ON COMINT ARRANGEMENTS FOR SACLANT 12/1/1952 4 47270 FOLDER 309 A65095 41728759076801 U.S. INDOCTRINATION TOTALS 12/1/1952 8 47270 FOLDER 030 A65099 41782259082131 I T MC DONALD LETTER: TO C/SEC VIOLATIONS, POSSIBLE ACTIONS AND/OR RECOMMENDATIONS WHEREBY NSA MIGHT BE ABLE TO REDUCE THE NUMBER OF C/SEC VIOLATIONS 6/19/1954 1 47270 FOLDER 309 A65100 41728809076806 COMINT PLANNING CONFERENCE AGENDA, 1 DECEMBER 1952 12/1/1952 3 47270 FOLDER 030 A65102 41782349082140 L.H. FROST LETTER: TO DR. STEWART S. CAIRNS, AT REQUEST OF THE MATHEMATICAL RESEARCH DIVISION PROF CAIRNS IS GOING TO COMPLETE SEVERAL PAPERS ON MATHEMATICAL6/14/1954 TOPICS PERTINENT TO CRYPTOLOGY1 47270 FOLDER 309 A65104 41728859076812 U.K. PROPOSAL FOR THE ESTABLISHMENT OF RAF UNIT 11/24/1952 2 47270 FOLDER 309 A65106 41728929076817 VOTE SHEET REPLIES ON PAPER ENTITLED "AFSA AUGMENTATION OF GCHQ" 11/24/1952 1 47270 FOLDER 309 A65112 41730049076929 DOWNGRADING OF REFERENCE TO U.S./U.K. COLLABORATION TO SECRET 11/19/1952 1 47270 FOLDER 030 A65115 41782499082155 WILLIAM F FRIEDMAN LETTER: TO MR LEO ROSEN, ACKNOWLEDGING MR ROSEN'S ACCEPTANCE TO MEMBERSHIP ON ELECTRONICS PANEL OF NSASAB, ENCLOSING APPROPRIATE PERSONNEL6/15/1954 FORMS FOR COMPLETION1 OF APPOINTMENT AS CONSULTANT 47270 FOLDER 309 A65116 41730069076931 COMINT PLANNING CONFERENCE AGENDA, 28 OCTOBER 1952 10/28/1952 7 47270 FOLDER 309 A65119 41730079076932 AFSA AUGMENTATION OF GCHQ, 28 OCTOBER 1952 10/28/1952 3 47270 FOLDER 030 A65120 41786439082544 I T MCDONALD LETTER: TO DR DONALD H MENZEL, SENDING ORDERS FOR TRIP FROM MINNEAPOLIS, SENDING COMPENSATION FORMS FOR ANY EXPENSE INCURRED 6/16/1954 1 47270 FOLDER 030 A65123 41786469082547 WILLIAM F FRIEDMAN LETTER: TO DR G W BROWN, DR BROWN ACCEPTS GEN CANINE'S INVITATION FOR MEMBERSHIP ON THE ELECTRONICS PANEL OF THE NSASAB 6/16/1954 1 47270 FOLDER 030 A65128 41786489082550 WILLIAM F FRIEDMAN LETTER: TO DR S S WILKS, ARRANGING FOR TRANSPORTATION TO AND FROM ENGLAND VIA MATS, DR WILKS WANTS TO VISIT CHELTENHAM 6/16/1954 1

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47270 FOLDER 309 A65155 41730089076933 DISSEMINATION OF INTELLIGENCE BASED ON COMINT TO FOREIGN NATIONALS SERVING IN NATO OR SIMILAR COMMANDS 10/9/1951 3 47270 FOLDER 309 A65160 41730099076934 SALE OF ELECTRONIC EQUIPMENT 1/31/1955 4 47270 FOLDER 309 A65164 41730109076935 THE SALE OF ELECTRONIC EQUIPMENT, 14 DECEMBER 1954 12/14/1954 3 47270 FOLDER 308 A65175 41730119076936 CLEARANCE FOR ACCESS TO COMINT 6/24/1955 1 47270 FOLDER 030 A65177 41786529082553 WILLIAM F FRIEDMAN LETTER: TO MR CHARLES L WHITE, RECEIPT OF FORM 57 6/15/1954 1 47270 FOLDER 308 A65179 41730149076938 CLEARANCE FOR THE ACCESS TO COMINT 6/16/1955 2 47270 FOLDER 308 A65182 41731249077048 CLEARANCE FOR CATEGORY III COMINT (PETTIBONE) 5/19/1955 2 47270 FOLDER 308 A65184 41731279077051 CLEARANCE FOR THE CATEGORY III COMINT (PETTIBONE) 6/6/1955 1 47270 FOLDER 308 A65190 41731319077055 CLEARANCE FOR CATEGORY III COMINT 5/31/1955 1 47270 FOLDER 030 A65192 41786539082554 WILLIAM F FRIEDMAN LETTER: TO MR BORIS C W HAGELIN, HAGELIN IS INFORMED OF M-209 MACHINES 6/15/1954 3 47270 FOLDER 308 A65194 41731369077060 INDOCTRINATION STATUS OF MEMBERS OF THE HOOVER COMMISSION TASK FORCE ON INTELLIGENCE (CLARK COMMITTEE AND STAFF) 5/31/1955 1 47270 FOLDER 030 A65200 41786559082556 WILLIAM F FRIEDMAN LETTER: TO MR PAUL OEHSER, WILL BE IN LONDON MONTH OF JULY AND WOULD LIKE A CARD OF ADMITTANCE TO THE SAVILE CLUB 6/16/1954 1 47270 FOLDER 030 A65204 41786579082558 WILLIAM F. FRIEDMAN LETTER: TO LT. H. R. PETERSON, HE IS AMAZED AT THE LACK OF SHOPS CONTAINING BACON-SHAKESPEARE LITERATURE THE FAD SEEMS TO HAVE FADED OUT 6/16/1954IN LONDON 1 47270 FOLDER 308 A65205 41731409077064 CLEARANCES FOR CATEGORY III COMINT, 16 MAY 1955 5/16/1955 2 47270 FOLDER 308 A65207 41731469077070 INDOCTRINATION FOR ACCESS TO COMINT (DIRECTOR, ARFCOS) 5/9/1955 1 47270 FOLDER 308 A65209 41731539077077 CLEARANCES FOR CATEGORY III COMINT (FIELDS) 5/3/1955 2 47270 FOLDER 030 A65212 41786599082560 I T MCDONALD MEMORANDUM TO LT BUTLER, ORDER #946 AMENDED TO COVER 10 DAYS INSTEAD OF 5 DAYS 6/15/1954 1 47270 FOLDER 030 A65216 41786629082563 WILLIAM F FRIEDMAN LETTER: TO MR HENRY E LANGEN, RETURNS DRAWINGS NOT IMPRESSED WITH MR. LLOYD 6/14/1954 1 47270 FOLDER 030 A65226 41786649082565 WILLIAM F FRIEDMAN LETTER: TO DR JOHN W TUKEY, DOES NOT KNOW IF SOME OF CONTRACTS CONTAIN A CLAUSE SIMILAR TO THE CONTENTS OF THE SECTION OF 10 USC BUT WILL6/14/1954 FIND OUT 1 47270 FOLDER 030 A65228 41786689082569 DUNCAN SINCLAIR MEMORANDUM TO PERSONNEL, ESTABLISHMENT OF NSA REGISTRY FOR CONSULTANTS 6/10/1954 1 47270 FOLDER 308 A65229 41731659077089 CLEARANCE FOR CATEGORY III COMINT 4/22/1955 1 47270 FOLDER 030 A65247 41786729082573 WILLIAM F FRIEDMAN LETTER: TO J EDGAR HOOVER IN APPRECIATION OF FBI HELP WITH A BOOK ON THE BILITERAL CIPHER OF SIR FRANCIS BACON 6/11/1954 2 47270 FOLDER 030 A65255 41786779082577 I.T. MCDONALD LETTER TO JOHN H HOWARD RE TRAVEL ORDERS TO NSA 6/10/1954 1 47270 FOLDER 308 A65258 41731769077100 INDOCTRINATION FOR ACCESS TO COMINT (DIRECTOR, ARFOC) 4/22/1955 2 47270 FOLDER 308 A65266 41731829077105 CLEARANCE FOR CATEGORY III COMINT 4/4/1955 1 47270 FOLDER 308 A65270 41731879077111 HANDLING OF COMINT BY THE CLARK COMMITTEE (CIB 00046; USCIB 13.2/54) 3/25/1955 2 47270 FOLDER 308 A65275 41731939077117 INDOCTRINATION FOR ACCESS TO CATEGORY III COMINT (CLARKE COMMITTEE) 3/8/1955 2 47270 FOLDER 308 A65278 41732009077124 SECURITY IN THE CLARK COMMITTEE 2/11/1955 1 47270 FOLDER 030 A65283 41786819082582 WILLIAM F FRIEDMAN LETTER TO MR WRIGHT, 6/10/1954 1 47270 FOLDER 308 A65284 41732069077130 INDOCTRINATION FOR CATEGORY III COMINT (RICKENBACKER) 2/11/1955 1 47270 FOLDER 308 A65287 41732119077136 USCIB 13.2/33 OF 7 SEPTEMBER 1954 1/12/1955 1 47270 FOLDER 030 A65290 41786839082584 WILLIAM F. FRIEDMAN LETTER: TO PROFESSOR CHARLES T. PROUTY, THANKS FOR COPY OF "A HUNDRETH SUNDRIE FLOWRES" 6/9/1954 1 47270 FOLDER 308 A65292 41732219077145 CLEARANCE FOR ACCESS TO COMINT (ANDERSON) 1/6/1955 2 47270 FOLDER 308 A65294 41732309077154 CLEARANCE FOR CATEGORY III COMINT (BELZER) 1/3/1955 1 47270 FOLDER 030 A65296 41786859082586 L. D. CALLIMAHOS LETTER: TO MR. FRIEDMAN, SECURITY CLASSIFICATION OF TRAINING DOCUMENT NSA-72-1678 6/9/1954 2 47270 FOLDER 308 A65297 41732359077159 CLEARANCE FOR ACCESS TO COMINT (SATTERTHWAITE) 12/16/1954 2 47270 FOLDER 308 A65299 41732429077167 CLEARANCE FOR CATEGORY III COMINT, 28 DECEMBER 1954 12/28/1954 1 47270 FOLDER 030 A65300 41786889082589 WILLIAM F. FRIEDMAN LETTER: TO MR. J. PRESPER ECKERT JR, RECEIPT OF PERSONAL HISTORY AND FINGER PRINT CARDS PROCESSING INTO THE NATIONAL SECURITY AGENCY REQUIRES6/7/1954 MUCH TIME, RESULTS1 WILL BE AVAILABLE IN DUE TIME 47270 FOLDER 308 A65308 41732529077176 CLEARANCE FOR THE ACCESS TO COMINT (BELZER) 12/22/1954 2 47270 FOLDER 308 A65309 41732619077185 CLEARANCE AND INDOCTRINATION FOR CATEGORY III COMINT (WIESNER AND BAXTER) 11/30/1954 2 47270 FOLDER 308 A65310 41732699077192 CLEARANCE AND INDOCTRINATION FOR CATEGORY III COMINT (STAFF MEMBERS OF THE CLARK COMMITTEE); MEMORANDUM FOR THE MEMBERS OF USCIB 11/17/1954 1 47270 FOLDER 308 A65311 41732749077198 CLEARANCE AND INDOCTRINATION FOR CATEGORY III COMINT (DESIGNATED STAFF MEMBERS OF THE CLARK COMMITTEE) 11/16/1954 2 47270 FOLDER 464 A65313 41751439079062 RANDOM NOTES OF FRIEDMAN TRIP TO ENGLAND IN 1943; VISIT TO GC&CS 6/1/1943 12 47270 FOLDER 463 A65316 41751479079066 TEXT OF FRIEDMAN LECTURE ON HISTORY OF US CRYPTANALYSIS 1/1/1948 9 47270 FOLDER 030 A65317 41895659093457 WILLIAM F. FRIEDMAN LETTER: TO DR. T. E. HARRIS, ACKNOWLEDGES RECEIPT OF COMPLETED PERSONAL HISTORY STATEMENT AND FINGER PRINT CARDS 6/7/1954 1 47270 FOLDER 308 A65318 41732789077202 SPECIAL INTELLIGENCE CLEARANCE (CHRISTIANSEN) 11/2/1954 1 47270 FOLDER 463 A65319 41751499079069 RHOADES (NFI) TALK DELIVERED TO RESERVE OFFICERS AT ASA SCHOOL 18 JUNE 1948 6/18/1948 11 47270 FOLDER 308 A65322 41732869077210 CLEARANCE FOR CATEGORY III COMINT (CLARK COMMITTEE), 15 OCTOBER 1954 10/15/1954 1 47270 FOLDER 030 A65324 41786939082594 WILLIAM F. FRIEDMAN LETTER: TO DR. NEWBERN SMITH, ACKNOWLEDGING DR. SMITH'S ACCEPTANCE TO MEMBERSHIP ON TELECOMMUNICATIONS PANEL OF NSASAB 6/7/1954 1 47270 FOLDER 308 A65325 41732939077218 INDOCTRINATION FOR ACCESS TO CATEGORY III COMINT (CLARK COMMITTEE); MEMORANDUM FOR THE MEMBERS OF USCIB 10/18/1954 1

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47270 FOLDER 308 A65326 41733009077224 INDOCTRINATION FOR ACCESS TO CATEGORY III COMINT, 12 OCTOBER 1954 10/12/1954 2 47270 FOLDER 030 A65327 41786969082596 WILLIAM F FRIEDMAN LETTER: TO MR BURKE H FLINN, SR, HELPING MR FLINN'S SON GET CIVILIAN EMPLOYMENT WITH THE NATIONAL SECURITY AGENCY 6/7/1954 1 47270 FOLDER 030 A65328 41786989082598 WILLIAM F FRIEDMAN LETTER: TO LOGISTICS, SHIPMENT TO BORIS C W HAGELIN 6/7/1954 1 47270 FOLDER 308 A65329 41733049077228 CLEARANCE FOR MEMBERS OF THE SCIENTIFIC ADVISORY COMMITTEE 10/12/1954 2 47270 FOLDER 030 A65332 41787009082601 WILLIAM F FRIEDMAN LETTER: TO SCIENTIFIC AMERICAN, SUBSCRIPTION PROBLEMS 6/7/1954 1 47270 FOLDER 308 A65336 41733119077235 INDOCTRINATION FOR ACCESS TO COMINT 9/28/1954 2 47270 FOLDER 308 A65337 41733159077239 APPROVAL OF USCIB 13.2/36 OF 28 SEPTEMBER 1954 9/30/1954 1 47270 FOLDER 308 A65339 41733189077242 USCIB 13.2/34 OF 10 SEPTEMBER 1954 9/21/1954 1 47270 FOLDER 030 A65340 41787039082604 WILLIAM F FRIEDMAN LETTER: TO DR R C GIBBS, CHAIRMAN, ENDORSES DR WINSTON M SCOTT FOR MEMBERSHIP TO COSMOS CLUB IN WASHINGTON, ENCLOSES A LETTER FROM MR6/4/1954 ALLEN W DULLES DIRECTOR2 OF CENTRAL INTELLIGENCE WHICH HE HOPES WILL ASSIST THE COMMITTEE 47270 FOLDER 030 A65341 41787069082607 WILLIAM F FRIEDMAN LETTER: TO DR LESLIE M OLIVER, THANKING DR OLIVER FOR POINTING OUT SOME DISCREPANCY IN MR FRIEDMAN'S "THE SPANISH MASQUERADE" 6/4/1954 1 47270 FOLDER 030 A65342 41787119082612 WILLIAM F. FRIEDMAN LETTER: TO DR. STEWART S. CAIRNS, CONFIRMING DR. CAIRNS TRIP AND ENCLOSING TRAVEL ORDERS, ALSO ACKNOWLEDGING HIS FOUR DAYS WORK FOR THE 6/1/1954AGENCY 1 47270 FOLDER 030 A65343 41787149082615 I. T. MCDONALD LETTER TO DR. ARTHUR L. SAMUEL ASKING HIM TO SIGN ENCLOSED FORM SO HE MAY BE REIMBURSED FOR EXPENSES INCURRED WHILE VISITING THE NATIONAL SECURITY6/1/1954 AGENCY 1 47270 FOLDER 030 A65345 41787169082617 WILLIAM F. FRIEDMAN LETTER: TO COLONEL HARROD G. MILLER, THANKS FOR THE BIOGRAPHICAL SKETCH OF GENERAL CARTIER 6/1/1954 1 47270 FOLDER 030 A65351 41895669093458 I. T. MCDONALD LETTER: TO MR. STEPHEN DUNWELL, ASKS FOR FORMS W4 60 AND 61 TO BE COMPLETED SO THAT THEY MIGHT EFFECT APPOINTMENT AS CONSULTANT AS EXPEDITIOUSLY6/1/1954 AS POSSIBLE 1 47270 FOLDER 030 A65352 41787209082621 I. T. MCDONALD LETTER: TO MR. HAROLD H. BEVERAGE, ASKS HIM TO JUST SIGN FORMS SO HE CAN BE REIMBURSED FOR MILEAGE AND PER DIEM 5/28/1954 1 47270 FOLDER 030 A65354 41787239082624 I. T. MCDONALD LETTER: TO MR. H. P. CORWITH, CONFUSION OVER MR. CORWITH STATING ON HIS TRAVEL VOUCHER "RETURN TRANSPORTATION BEING ARRANGED AT NO EXPENSE5/28/1954 TO GOVT" 1 47270 FOLDER 030 A65356 41787259082626 WILLIAM F. FRIEDMAN LETTER: TO MR. LEO ROSEN, INVITATION TO JOIN THE NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY BOARD (NSASAB) 5/26/1954 2 47270 FOLDER 030 A65357 41787269082627 WILLIAM F. FRIEDMAN MEMO TO AG, TRAVEL OF DR. MENZEL MISSING DOCUMENT 5/26/1954 1 47270 FOLDER 463 A65359 41751529079071 PROPOSED REMARKS OF THE DIRECTOR OF LOGISTICS BEFORE CONGRESS, FISCAL YEAR 1950 BUDGET 3/3/1949 10 47270 FOLDER 463 A65360 41751549079073 LECTURES IN AS-14 FILE 5/1/1948 1 47270 FOLDER 463 A65361 41751579079076 SPEECH DELIVERED TO THE ASA OFFICERS DIVISION GRADUATING CLASS ON 1 JULY 1949 7/1/1949 7 47270 FOLDER 463 A65362 41751609079078 CENTRAL REPOSITORY FOR LECTURES; REQUEST FOR AVAILABLE LECTURES 1/25/1949 1 47270 FOLDER 463 A65363 41751629079080 LIST OF CSGAS-14 FOLDERS LOANED TO MAJOR JONES, 29 DECEMBER 1948 12/29/1948 1 47270 FOLDER 463 A65364 41751659079083 SPEECHES; TEXT OF A SERIES OF TALKS GIVEN AT ASA HEADQUARTERS, ARLINGTON HALL STATION ON 9 FEBRUARY 1949 2/9/1949 10 47270 FOLDER 463 A65365 41751689079086 PROCEDURES TO BE FOLLOWED DURING MAJOR GENERAL PACKARD, BRITISH ARMY INTELLIGENCE, SPEECH, 7 MARCH 1949 3/7/1949 7 47270 FOLDER 463 A65366 41751719079089 MEMORANDUM FOR THE RECORD: LECTURE GIVEN AT THE NATIONAL WAR COLLEGE ON 19 JANUARY 1949 TITLED "ELECTRONIC COUNTERMEASURES" 1/27/1949 2 47270 FOLDER 463 A65367 41751739079092 AFSS REQUEST FOR FILE OF LECTURES 12/23/1948 2 47270 FOLDER 463 A65368 41751769079095 SPEECHES DELIVERED ON THE OCCASION OF THE GRADUATION OF FIRST ADVANCED CLASS ASA OFFICER GENERAL COURSE, 7 MAY 1948 5/7/1948 12 47270 FOLDER 463 A65369 41751789079096 COMMUNICATIONS SECURITY (FIRST EDITION, 7 APRIL 1947) 4/7/1947 25 47270 FOLDER 463 A65370 41751809079098 ORGANIZATIONS RESPONSIBLE FOR CODE AND CIPHER WORK IN THE U.S. ARMY 1861 - 1945 9/1/1945 1 47270 FOLDER 463 A65371 41751829079099 MESSAGE FLOW CHART FROM ORIGINATOR TO MILITARY INTELLIGENCE SERVICE 1/1/1949 1 47270 FOLDER 462 A65372 41751839079100 FIRST DETAILED INTERROGATION OF TADDEI GUIDO 11/6/1944 5 47270 FOLDER 462 A65373 41751859079103 FIRST DETAILED INTERROGATION OF VASSALLO TODARO, GIUSEPPE, 9 NOVEMBER 1944 11/9/1944 8 47270 FOLDER 462 A65374 41751899079107 FIRST DETAILED INTERROGATION OF RICHTER HANS MICHAEL, 21 NOVEMBER 1944 11/21/1944 9 47270 FOLDER 462 A65375 41751969079114 FIRST DETAILED INTERROGATION OF DOSI GIUSEPPE, 27 NOVEMBER 1944 11/27/1944 4 47270 FOLDER 462 A65376 41751999079115 FIRST DETAILED INTERROGATION OF SCHEPANSKI, KLEMANS, 6 DECEMBER 1944 12/6/1944 6 47270 FOLDER 462 A65377 41752009079117 FIRST DETAILED INTERROGATION OF TWO ENEMY WT OPERATORS, 8 DECEMBER 1944 12/8/1944 8 47270 FOLDER 462 A65378 41752029079120 FIRST DETAILED INTERROGATION REPORT ON TWO ENEMY WT OPERATORS, 12 DECEMBER 1944 12/12/1944 4 47270 FOLDER 462 A65379 41752069079124 FIRST DETAILED INTERROGATION OF TWO GERMAN PW, 12 DECEMBER 1944 12/12/1944 5 47270 FOLDER 462 A65380 41752089079126 FIRST DETAILED INTERROGATION OF FIVE GERMAN WT OPERATORS, 3 DECEMBER 1945 12/3/1945 11 47270 FOLDER 462 A65381 41752119079128 FIRST DETAILED INTERROGATION OF BIGI, AUGUSTO, 8 SEPTEMBER 1944 9/8/1944 22 47270 FOLDER 462 A65382 41752139079131 FIRST DETAILED INTERROGATION OF TWO ITALIAN SIGS OPERATORS, 22 JANUARY 1945 1/22/1945 6 47270 FOLDER 462 A65383 41752159079133 FIRST DETAILED INTERROGATION OF SAMARUGHI, GIUSEPPE, 18 JANUARY 1945 1/18/1945 7 47270 FOLDER 462 A65384 41752169079134 FIRST DETAILED INTERROGATION REPORT ON TWO GERMAN PW, 21 MAY 1945 5/21/1945 10 47270 FOLDER 462 A65385 41752189079137 INTERROGATION REPORT ON POW TEMP ENRIQUE, 12 JUNE 1945 6/12/1945 35 47270 FOLDER 030 A65386 41787279082628 WILLIAM F. FRIEDMAN LETTER: TO PROFESSOR J. FORRESTER, ASKS FOR FORMS TO BE FILLED OUT PRIOR TO APPOINTMENT AS CONSULTANT, APOLOGIZES FOR INCONVENIENCE 5/25/1954 1 47270 FOLDER 462 A65387 41752239079140 SECOND INTERROGATION REPORT ON TEMP ENRIQUE, 5 AUGUST 1945 8/5/1945 3 47270 FOLDER 462 A65388 41752259079142 FIRST DETAILED INTERROGATION OF THREE GERMAN PW, 24 DECEMBER 1945 12/24/1945 10 47270 FOLDER 030 A65389 41895679093459 WILLIAM F. FRIEDMAN LETTER: TO DR. H. M. CHADWELL, NOMINATION OF WINSTON SCOTT FOR MEMBERSHIP IN THE COSMOS CLUB, ASKS FOR SIGNATURE ON FORM "PROPOSAL FOR5/25/1954 MEMBERSHIP" AS CO-SPONSOR1 47270 FOLDER 030 A65390 41787309082631 WILLIAM F. FRIEDMAN LETTER: TO DR. LESLIE M. OLIVER, ASKS FOR CLARIFICATION ON PAPER "THE SPANISH MASQUERADO" 5/24/1954 1

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47270 FOLDER 030 A65391 41787329082633 WILLIAM F. FRIEDMAN LETTER: TO MR. BORIS C .W. HAGELIN, HOPES THAT HE IS NOT UPSET BY RUMORS WHICH MAY BE COMPLETELY UNFOUNDED 5/24/1954 1 47270 FOLDER 030 A65392 41787349082634 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR CHARLES T PROUTY, THANKS FOR ASSISTANCE 5/24/1954 1 47270 FOLDER 030 A65393 41787379082638 WILLIAM F. FRIEDMAN LETTER: TO COLONEL WILLIAM J. GALLAGHER, THANKS FOR COPY US NEWS AND WORLD REPORT 5/24/1954 1 47270 FOLDER 030 A65400 41895689093460 WILLIAM F. FRIEDMAN LETTER: TO MR. ROBERT A. SLOMAN, DOES NOT HAVE ANY INTEREST IN MATERIAL THAT WAS SENT, WOULD LIKE TO OBTAIN SOME OF MRS. GALLUP'S PRINTED5/24/1954 WORKS 1 47270 FOLDER 461 A65401 41752289079145 HANDWRITTEN NOTES - CSP3300, 1 JANUARY 1949 1/1/1949 2 47270 FOLDER 030 A65404 41895699093461 WILLIAM F. FRIEDMAN LETTER: TO MR. HENRY E. LANGEN, CIPHER DEVICE M-94 5/20/1954 1 47270 FOLDER 030 A65410 41787459082646 WILLIAM F. FRIEDMAN LETTER: TO COLONEL MAULSBY FORREST, DUPLICATED MATERIAL OF THE OLD RIVERBANK PUBLICATIONS SERIES WILL BE SENT , WANTS INFORMATION ON MRS.5/20/1954 GALLUP'S WORK ON BILITERAL2 CIPHER 47270 FOLDER 030 A65415 41787489082649 WILLIAM F FRIEDMAN LETTER: TO MR JOHN R BOOTH, LETTER REQUESTS OF MR ADAMS MEMBERSHIP ON ELECTRONICS PANEL 5/17/1954 1 47270 FOLDER 461 A65416 41752299079146 HANDWRITTEN NOTES ON MARK III SCRAMBLER AND AIRCRAFT PRINTER TYPE 31, 1 JANUARY 1949 1/1/1949 6 47270 FOLDER 461 A65418 41752319079149 NOTES ON CSP 3300 - TELETYPEWRITER CRYPTOGRAPHIC ATTACHMENT MARK II, 1 JANUARY 1949 1/1/1949 9 47270 FOLDER 030 A65421 41895709093462 WILLIAM F FRIEDMAN LETTER: TO MR HENRY E LANGEN, UNFORESEEN COMPLICATIONS 5/17/1954 1 47270 FOLDER 461 A65427 41752339079151 NOTES ON MACHINE IDENTIFIED AS CSP 5100, 1 JANUARY 1949 1/1/1949 3 47270 FOLDER 461 A65428 41752359079153 ONE PAGE OF NOTES DESCRIBING AN UNIDENTIFIED MACHINES FUNCTIONS, 1 JANUARY 1949 1/1/1949 1 47270 FOLDER 030 A65429 41787559082656 L.H. FROST LETTER: TO COMMANDING OFFICER NAVAL SECURITY STATION, USE OF NAVSECSTA LOUNGE BY NSA, 20-21 MAY 5/6/1954 1 47270 FOLDER 461 A65431 41752369079154 HANDWRITTEN DEFINITION OF LINEAR TRANSFORMATION, 1 JANUARY 1949 1/1/1949 4 47270 FOLDER 461 A65432 41752389079156 JAPANESE COMPROMISE OF VICHY CODE, 7 OCTOBER 1944 10/7/1944 2 47270 FOLDER 461 A65433 41752419079159 MAGIC -- FAR EAST SUMMARY; JAPANESE INTELLIGENCE -- READING OF CHINESE MESSAGES, 30 OCTOBER 1944 10/30/1944 3 47270 FOLDER 461 A65434 41752449079161 MAGIC - - FAR EAST SUMMARY; JAPANESE INTELLIGENCE - U.S. AIR UNITS, 30 SEPTEMBER 1944 9/30/1944 2 47270 FOLDER 461 A65435 41752469079164 MAGIC FAR EAST SUMMARY; NORTHERN KURILES - - JAPANESE RADAR INSTALLATIONS, 27 SEPTEMBER 1944 9/27/1944 2 47270 FOLDER 030 A65436 41787579082658 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR A G HILL, ACKNOWLEDGING PROF. HILL'S INABILITY TO ACCEPT MEMBERSHIP ON NSASAB, ELECTRONICS PANEL 5/14/1954 1 47270 FOLDER 461 A65437 41752619079178 MAGIC - FAR EAST SUMMARY; S. CHINA COAST - - WARNINGS OF U.S. AIR ATTACKS, 27 NOVEMBER 1944 11/27/1944 2 47270 FOLDER 461 A65438 41752649079181 TRANSMISSION OF MATERIAL RECEIVED FROM NAVY, 17 JUNE 1944; INDICATION OF JAPANESE SUCCESS AGAINST U.S. WEATHER CODE 6/17/1944 1 47270 FOLDER 030 A65439 41787609082661 WILLIAM F. FRIEDMAN LETTER: TO DR. STEWART S. CAIRNS, ACKNOWLEDGING DR. CAIRNS ACCEPTANCE TO ATTEND 20-21 MAY JOINT PANEL MEETINGS, ENCLOSING ALL NECESSARY5/14/1954 FORMS TO COMPLETE TRIP,1 NOTES TIME OF MEETING 47270 FOLDER 461 A65440 41752669079183 MAGIC - FAR EAST SUMMARY; JAPANESE INTELLIGENCE - - READING OF CHINESE MESSAGES, 20 OCTOBER 1944 10/20/1944 1 47270 FOLDER 030 A65441 41787639082663 WILLIAM F. FRIEDMAN LETTER: TO PROFESSOR J. FORRESTER, ACKNOWLEDGES DR FORRESTER'S ACCEPTANCE TO ATTEND 21 MAY JOINT PANEL MEETING 5/14/1954 1 47270 FOLDER 461 A65442 41752699079185 MAGIC - FAR EAST SUMMARY; JAPANESE ANALYSIS OF 20TH BOMBER COMMAND COMMUNICATIONS, 29 NOVEMBER 1944 11/29/1944 1 47270 FOLDER 030 A65443 41787669082667 WILLIAM F. FRIEDMAN LETTER: TO MR. JOHN H. HOWARD, ACKNOWLEDGING RECEIPT OF MR. HOWARD'S ACCEPTANCE TO ATTEND 21 MAY JOINT PANEL MEETINGS 5/14/1954 1 47270 FOLDER 030 A65445 41787929082693 WILLIAM F. FRIEDMAN LETTER: TO PROFESSOR A. M. GLEASON, ACKNOWLEDGING RECEIPT OF ACCEPTANCE FROM PROF. GLEASON FOR THE JOINT PANEL MEETING ON 21 MAY 5/14/1954 1 47270 FOLDER 461 A65446 41752719079188 MAGIC FAR EAST SUMMARY; JAPANESE INTELLIGENCE ON U.S. FLEET DISPOSITIONS AND EQUIPMENT, 29 NOVEMBER 1944 11/29/1944 1 47270 FOLDER 461 A65447 41752739079190 MAGIC - FAR EAST SUMMARY; JAAF - ANALYSIS OF B-29 TRAFFIC, 5 DECEMBER 1944 12/5/1944 1 47270 FOLDER 030 A65448 41787959082696 WILLIAM F. FRIEDMAN LETTER: TO MR. GILBERT S. VERNAM, RECEIVED SIX OF EIGHT PATENTS, WOULD LIKE TO RECEIVE THE OTHER TWO PATENTS 5/14/1954 1 47270 FOLDER 030 A65449 41787979082698 WILLIAM F. FRIEDMAN LETTER: TO MR. JOHN H. HOWARD, CONFIRM SUBCOMMITTEE MEETING ON 20 MAY, TRAVEL ORDERS HAVE BEEN MAILED 5/14/1954 1 47270 FOLDER 030 A65450 41788019082702 I. T. MCDONALD LETTER TO MISS FRANCES WALES, THANKS FOR PROMPT ATTENTION GIVEN TO HIS REQUEST 5/14/1954 1 47270 FOLDER 461 A65452 41752759079192 PRE-1945 WW II JAPANESE TRANSLATIONS, 14 DECEMBER 1944 12/14/1944 6 47270 FOLDER 461 A65454 41752779079194 RECOMMENDATION FOR A MEETING TO CLARIFY UNSPECIFIED MATTERS, 01 JANUARY 1944 1/1/1944 1 47270 FOLDER 461 A65455 41752799079196 PRE-1945 WW II JAPANESE TRANSLATIONS 11/21/1944 7 47270 FOLDER 461 A65462 41752899079206 MAGIC FAR EAST SUMMARY; JAAF - ANALYSIS OF B-29 TRAFFIC, 5 DECEMBER 1944 12/5/1944 1 47270 FOLDER 461 A65463 41752919079208 MAGIC DIPLOMATIC SUMMARY; MISCELLANEOUS, 1 DECEMBER 1944 12/1/1944 1 47270 FOLDER 461 A65466 41752929079209 CIVILIAN PERSONNEL POLICY, 8 APRIL 1953 4/8/1953 1 47270 FOLDER 461 A65468 41752959079211 HANDWRITTEN NOTE REGARDING SECURITY MATTERS, 16 NOVEMBER 1944 11/16/1944 2 47270 FOLDER 461 A65469 41752989079215 MAGIC FAR EAST SUMMARY; USE OF D/F BY THE JAPANESE FOR AIRCRAFT WARNING, 6 NOVEMBER 1944 11/6/1944 1 47270 FOLDER 461 A65473 41752999079216 HANDWRITTEN NOTE, W/JAPANESE TRANSLATIONS ATTACHED, REGARDING JAPANESE ABILITY TO READ AN ALLIED CODE, 15 DECEMBER 1944 12/15/1944 11 47270 FOLDER 461 A65475 41753019079218 MAGIC DIPLOMATIC SUMMARY; MISCELLANEOUS, 1 DECEMBER 1944 12/1/1944 2 47270 FOLDER 030 A65478 41895789093471 WILLIAM F. FRIEDMAN LETTER: TO MR. ROBERT A. SLOMAN, ASKS QUESTIONS ABOUT THE OWEN WHEEL 5/12/1954 1 47270 FOLDER 030 A65480 41788059082705 WILLIAM F. FRIEDMAN LETTER: TO AG, CHANGE TO BASIC REGULATION (11-3) 5/11/1954 1 47270 FOLDER 030 A65481 41788109082711 WILLIAM F. FRIEDMAN LETTER: TO DR. NEWBERN SMITH, FOLLOW-UP ON ORIGINAL INVITATION TO MEMBERSHIP ON THE TELECOMMUNICATIONS PANEL 5/10/1954 1 47270 FOLDER 030 A65484 41788129082713 WILLIAM F. FRIEDMAN LETTER: TO MR. J. PRESPER ECKERT JR, ACKNOWLEDGES MR. ECKERT'S ACCEPTANCE TO MEMBERSHIP ON THE ELECTRONICS PANEL NSASAB, INCLOSING ALL NECESSARY5/10/1954 FORMS FOR SECURITY1 CLEARANCE 47270 FOLDER 461 A65485 41753029079220 JAPANESE DOCUMENT, POSSIBLY ABOUT RUSSIAN CABLE NETWORK FROM MOSCOW 1/1/1944 40 47270 FOLDER 461 A65489 41753049079221 HANDWRITTEN NOTES ON OPERATION OF AN UNSPECIFIED CRYPTOGRAPHIC MACHINE, 01 JANUARY 1944 1/1/1944 2 47270 FOLDER 461 A65491 41753069079222 PAPER BY LT. DIXON ON MAXIMIZING FLAGS AND RECTANGLES ELECTRICALLY, 26 JULY 1946 7/26/1946 1

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47270 FOLDER 461 A65494 41753089079224 ANALYSIS OF THE SECURITY OF COMMUNICATIONS, 23 JUNE 1945 6/23/1945 4 47270 FOLDER 461 A65499 41753109079226 IMPRACTICALITIES OF INTELLIGENCE CONCERNING SECURITY OF COMMUNICATIONS, 4 JUNE 1945 6/4/1945 1 47270 FOLDER 461 A65501 41753129079229 INTELLIGENCE CONCERNING SECURITY OF COMMUNICATIONS, 3 MARCH 1945 3/3/1945 3 47270 FOLDER 030 A65502 41788189082718 WILLIAM F. FRIEDMAN LETTER: TO DR C. B. TOMPKINS, REASSIGNMENT OF J.J. WOLF 5/10/1954 1 47270 FOLDER 461 A65503 41753139079230 THE RELATIONSHIP OF JAPANESE T/A TO THE SECURITY PROBLEM, 6 JUNE 1945 6/6/1945 5 47270 FOLDER 030 A65504 41788209082721 WILLIAM F FRIEDMAN LETTER: TO MR G W BROWN, FOLLOW-UP ON ORIGINAL INVITATION EXTENDED TO MR BROWN 5/10/1954 1 47270 FOLDER 461 A65505 41753159079232 ANALYSIS OF THE SECURITY OF COMMUNICATIONS, 26 JUNE 1945 6/26/1945 3 47270 FOLDER 461 A65507 41753189079234 MAGIC FAR EAST SUMMARY; JAPAN'S AIRCRAFT FUEL POSITION, 28 JUNE 1945 6/28/1945 1 47270 FOLDER 461 A65508 41753199079235 AFSA REGULATION NUMBER 90-1; REGULATIONS GOVERNING THE USE OF INTERNAL COMMUNICATION FACILITIES, 18 MARCH 1952; 3/18/1952 3 47270 FOLDER 030 A65509 41788229082723 WILLIAM F FRIEDMAN LETTER: TO THE HONORABLE J EDGAR HOOVER, CONGRATULATIONS ON THE THIRTIETH ANNIVERSARY OF YOUR DIRECTORSHIP OF THE FEDERAL BUREAU OF INVESTIGATION5/6/1954 1 47270 FOLDER 461 A65510 41753229079238 NOTES ON CONFERENCE HELD 21 FEBRUARY 1945 2/21/1945 2 47270 FOLDER 030 A65511 41788269082727 WILLIAM F FRIEDMAN LETTER: TO DR. H P ROBERTSON, INCLOSING TRAVEL ORDERS AND T/R PLUS OTHER NECESSARY FORMS FOR D ROBERTSON'S VISIT RE: JOINT PANEL MEETINGS ON5/6/1954 20-21 MAY 1 47270 FOLDER 461 A65512 41753249079240 INTELLIGENCE CONCERNING SECURITY OF COMMUNICATIONS, 7 MARCH 1945 3/7/1945 1 47270 FOLDER 030 A65513 41788249082724 WILLIAM F FRIEDMAN LETTER: TO MR JOHN COOMBS, ACKNOWLEDGING RECEIPT OF MR COOMBS ACCEPTANCE TO 20-21 MAY JOINT PANEL MEETINGS, INCLOSING TRAVEL ORDERS 5/6/1954 1 47270 FOLDER 030 A65515 41788329082733 WILLIAM F. FRIEDMAN LETTER: TO DR. W. R. G. BAKER, ACKNOWLEDGING DR. BAKER'S ACCEPTANCE TO ATTEND 21 MAY JOINT PANEL MEETINGS 5/6/1954 1 47270 FOLDER 461 A65516 41753279079244 ANALYSIS OF THE SECURITY OF COMMUNICATIONS, 26 JUNE 1945 6/26/1945 11 47270 FOLDER 030 A65517 41788349082735 WILLIAM F. FRIEDMAN LETTER: TO MR. RALPH LEE PALMER, ACKNOWLEDGING MR. PALMER' S ACCEPTANCE OF THE INVITATION TO ATTEND JOINT PANEL MEETINGS 20-21 MAY 5/6/1954 1 47270 FOLDER 030 A65518 41788369082737 WILLIAM F. FRIEDMAN LETTER: TO MR. J. Z. MILLAR, ACKNOWLEDGING MR. MILLAR'S ACCEPTANCE TO ATTEND THE JOINT PANEL MEETINGS 21 MAY 5/6/1954 1 47270 FOLDER 030 A65520 41788399082738 WILLIAM F FRIEDMAN LETTER: TO DT A M SKELLETT , ACKNOWLEDGING RECEIPT OF DR SKELLETT'S ACCEPTANCE TO VISIT NSA FOR 20-21 MAY JOINT PANEL MEETINGS 5/6/1954 1 47270 FOLDER 461 A65522 41753299079246 MEMORANDUM CONCERNING RESPONSIBILITY FOR ACTION IN CASES OF COMPROMISE INDICATED IN ULTRA MATERIAL, 6 JANUARY 1945 1/6/1945 7 47270 FOLDER 461 A65525 41753319079248 SECURITY OF ALLIED CIPHERS, 30 AUGUST 1945 8/30/1945 2 47270 FOLDER 461 A65527 41753329079249 PRESENT ORGANIZATION FOR RESEARCH ON ULTRA MATERIAL FOR INTELLIGENCE CONCERNING SECURITY OF OUR OWN COMMUNICATIONS, 10 JULY 1945 7/10/1945 8 47270 FOLDER 461 A65529 41755549079470 INFORMATION FOR SECURITY DIVISION, 23 DECEMBER 1944 12/23/1944 2 47270 FOLDER 461 A65531 41755639079479 EVALUATION AND DISSEMINATION OF INFORMATION OF JAPANESE CRYPTANALYTIC OR T/A RESULTS, 1 JANUARY 1944 6/1/1945 3 47270 FOLDER 461 A65532 41755659079481 DRAFT MEMO: PERSONNEL AND ORGANIZATIONAL CHANGES, 30 JANUARY 1953 1/30/1953 3 47270 FOLDER 461 A65534 41755669079482 USE OF THE SECURE TELEPHONE SYSTEM, 22 JANUARY 1945 1/22/1945 1 47270 FOLDER 461 A65535 41755679079483 MIS STUDIES INVOLVING THE DETERMINATION AND EVALUATION OF JAPANESE SOURCES OF INTELLIGENCE, 13 NOVEMBER 1944 11/13/1944 6 47270 FOLDER 030 A65537 41788419082742 WILLIAM F FRIEDMAN LETTER: TO DR DONALD H MENZEL, ACKNOWLEDGING DR MENZEL ACCEPTANCE TO ATTEND 21 MAY JOINT PANEL MEETINGS 5/6/1954 1 47270 FOLDER 461 A65538 41755689079484 HANDWRITTEN NOTE LISTING VARIOUS SECURITY COMMITTEES, 1 JANUARY 1944 1/1/1944 1 47270 FOLDER 461 A65539 41755719079487 THE PRICE OF SECURITY, 1 JANUARY 1944; CRITIQUE, U.S. FLEET PROBLEM XI 1/1/1944 1 47270 FOLDER 030 A65540 41788429082743 WILLIAM F FRIEDMAN LETTER: TO MR ARTHUR W HORTON JR, FORWARDING MR HORTON ALL NECESSARY FORMS, AND TRAVEL ORDERS TO ATTEND JOINT PANEL MEETINGS 20-21 MAY5/6/1954 1 47270 FOLDER 461 A65541 41755729079488 HANDWRITTEN NOTES REGARDING SECURITY MATTERS, 25 MAY 1945 5/25/1945 7 47270 FOLDER 030 A65542 41895839093475 WILLIAM F FRIEDMAN LETTER: TO MR STEPHEN DUNWELL, ACKNOWLEDGING RECEIPT OF MR DUNWELL'S ACCEPTANCE TO ATTEND 20-21 MAY JOINT PANEL MEETINGS 5/6/1954 1 47270 FOLDER 461 A65543 41755759079491 INFORMAL MEMO TO FRIEDMAN : ACTION ON "A INTELLIGENCE", 9 MAY 1945 5/9/1945 2 47270 FOLDER 030 A65544 41788469082747 WILLIAM F FRIEDMAN LETTER: TO MR JOHN C MCPHERSON, SENDING ALL NECESSARY FORMS FOR MR MCPHERSON'S VISIT TO WASHINGTON 20-21 MAY FOR JOINT PANEL MEETINGS5/6/1954 1 47270 FOLDER 460 A65545 41755769079492 LIST OF QUESTIONS RELATIVE TO ARMY AIR FORCES MILITARY CHARACTERISTICS FOR COMMUNICATIONS SECURITY EQUIPMENT, 1 NOVEMBER 1946 11/1/1946 12 47270 FOLDER 030 A65546 41788479082748 WILLIAM F FRIEDMAN LETTER: TO MR H P CORWITH, FORWARDING MR CORWITH ALL NECESSARY FORMS, TRAVEL ORDERS T/R'S IN CONNECTIONS WITH HIS VISIT 20-21 MAY FOR JOINT5/6/1954 PANEL MEETINGS 1 47270 FOLDER 460 A65547 41755789079493 FUNCTIONS OF THE USAF SECURITY SERVICE, 20 OCTOBER 1948 10/20/1948 4 47270 FOLDER 030 A65548 41788499082749 WILLIAM F FRIEDMAN LETTER: TO DR S S WILKS, ACKNOWLEDGES DR WILKS ACCEPTANCE OF 21-21 MAY PANEL MEETINGS 5/6/1954 1 47270 FOLDER 460 A65549 41755799079494 AGENDA FOR MEETING ON ARMY AIR FORCES MILITARY CHARACTERISTICS FOR COMMUNICATION SECURITY EQUIPMENT, 8 NOVEMBER 1946 11/8/1946 3 47270 FOLDER 030 A65550 41788519082752 WILLIAM F FRIEDMAN LETTER: TO DR AA ALBERT, ENCLOSING TRAVEL ORDERS FOR DR ALBERT'S VISIT TO WASHINGTON ON 20-21 MAY 5/6/1954 1 47270 FOLDER 460 A65552 41755809079495 CLEARANCE OF COMMUNICATION SECRECY SYSTEMS, 12 MARCH 1945 3/12/1945 2 47270 FOLDER 460 A65553 41755819079496 RADIO SECURITY MONITORING WITHIN THE ARMY AIR FORCES, 25 JANUARY 1945 1/25/1945 2 47270 FOLDER 460 A65555 41755839079498 INDEX TO AIR COMBAT INTELLIGENCE MATERIAL; COVER MEMO 11/27/1944 1 47270 FOLDER 459 A65556 41755849079499 ESTABLISHMENT OF A COMMUNICATIONS SECURITY EQUIPMENT SUBPANEL, RESEARCH AND DEVELOPMENT BOARD, 25 FEBRUARY 1949 2/25/1949 2 47270 FOLDER 459 A65557 41755859079500 JOINT COORDINATION OF CRYPTO-EQUIPMENT RESEARCH AND DEVELOPMENT 2/21/1949 5 47270 FOLDER 459 A65558 41755869079501 PROPOSAL FOR SECURITY EQUIPMENT PANEL IN RDB 2/14/1949 2 47270 FOLDER 459 A65559 41755879079502 JOINT COORDINATION OF CRYPTO-EQUIPMENT RESEARCH AND DEVELOPMENT, 29 NOVEMBER 1948 11/29/1948 2 47270 FOLDER 458 A65560 41755899079504 PRESENT STATUS OF SPECIFIC TARGETS, 11 JANUARY 1950 1/11/1950 2 47270 FOLDER 458 A65561 41755909079505 CAPTURED DOCUMENT, LUZON, 1 JUNE 1945 6/1/1945 2

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47270 FOLDER 458 A65562 41755929079507 RECEIPT FOR CLASSIFIED DOCUMENTS, 1 JUNE 1945 6/1/1945 1 47270 FOLDER 458 A65563 41755939079508 FILE RECEIPT, 7 JUNE 1945 6/7/1945 1 47270 FOLDER 458 A65564 41755959079510 RECOGNITION OF AUTHORSHIP OF WAR DEPARTMENT TECHNICAL PUBLICATIONS, 5 JUNE 1946 6/5/1946 7 47270 FOLDER 458 A65565 41755979079512 PROPOSED REVISION OF ARMY CIRCULAR NUMBER 126, 1947 AND RELATED DOCUMENTS, 16 AUGUST 1948 8/16/1948 1 47270 FOLDER 458 A65566 41756409079554 ARMY REGULATION NO. 700-, RESEARCH AND DEVELOPMENT, CLASSIFICATION AND MODIFICATION OF MATERIAL (THIRD DRAFT), 1 JANUARY 1948 1/1/1948 33 47270 FOLDER 458 A65567 41756429079557 SUPPLEMENTARY INFORMATION AND CORRECTION SHEET FOR USE WITH FM 11-35, SIGNAL CORPS INTELLIGENCE, 2 SEPTEMBER 1942 6/1/1946 13 47270 FOLDER 458 A65568 41756469079561 DRAFT OF MANUSCRIPT "THE EFFECTS OF WORLD WAR II ON THE SECURITY OF U.S. NAVAL COMMUNICATIONS", 19 MARCH 1947; COVER LETTER 3/19/1947 1 47270 FOLDER 458 A65569 41756489079563 DRAFT OF MANUSCRIPT "THE EFFECTS OF WORLD WAR II ON THE SECURITY OF U.S. NAVAL COMMUNICATIONS", 7 MARCH 1947; COVER LETTER 3/7/1947 1 47270 FOLDER 458 A65570 41756519079565 DRAFT OF MANUSCRIPT "THE EFFECTS OF WORLD WAR II ON THE SECURITY OF U.S. NAVAL COMMUNICATIONS", 6 FEBRUARY 1947 2/6/1947 1 47270 FOLDER 458 A65571 41756529079567 ENEMY EQUIPMENT INTELLIGENCE SERVICE, 3 FEBRUARY 1947 2/3/1947 2 47270 FOLDER 458 A65572 41756549079568 ENEMY EQUIPMENT INTELLIGENCE SERVICE - CRYPTOMATERIAL; DUTIES OF ARMY SECURITY LIAISON DETACHMENTS 1/23/1947 4 47270 FOLDER 458 A65573 41756559079570 COMMENTS ON TM 32-( ), "RADIO INTELLIGENCE", 1 SEPT 1948 9/1/1948 3 47270 FOLDER 458 A65574 41756599079574 COMMENTS IN PASSING ON DRAFT OF "PROPOSED TECHNICAL MANUAL TM 32- ( ) RADIO INTELLIGENCE", 22 JULY 1948; COVER MEMO 7/22/1948 1 47270 FOLDER 458 A65575 41756619079576 COMMENTS IN PASSING ON DRAFT OF "PROPOSED TECHNICAL MANUAL TM 2 -( ) RADIO INTELLIGENCE" 22 AUGUST 1948 8/22/1948 6 47270 FOLDER 458 A65576 41756629079577 REQUEST FOR APPROVAL OF DRAFT "INSTRUCTIONS FOR USE OF MODIFIED ONE-TIME PADS", 25 AUGUST 1947 8/25/1947 1 47270 FOLDER 458 A65577 41756999079613 REQUEST FOR APPROVAL OF PROPOSED DOCUMENT "INSTRUCTIONS FOR USE OF NUMERICAL ONE-TIME PADS FOR PROJECT FITZWILLIAM", 10 FEBRUARY 1948 2/10/1948 1 47270 FOLDER 457 A65578 41757019079615 MINUTES OF 18TH MEETING OF RESEARCH AND DEVELOPMENT BOARD COMMITTEE ON ELECTRONICS PANEL ON COMPONENTS, 9 JANUARY 1950 1/9/1950 8 47270 FOLDER 457 A65579 41757029079616 PROGRAM GUIDANCE RECOMMENDATIONS OF THE RESEARCH AND DEVELOPMENT BOARD COMMITTEE ON ELECTRONICS, 2 DECEMBER 1949 12/2/1949 16 47270 FOLDER 457 A65582 41757059079619 AGENDA OF 16TH MEETING OF RESEARCH AND DEVELOPMENT BOARD COMMITTEE ON ELECTRONICS PANEL OF COMPONENTS, 15 JUNE 1949 6/15/1949 4 47270 FOLDER 457 A65583 41757319079645 AGENDA FOR 15TH MEETING OF THE RESEARCH AND DEVELOPMENT BOARD COMMITTEE ON ELECTRONICS PANEL ON COMPONENTS, 25 APRIL 1949 4/25/1949 4 47270 FOLDER 456 A65584 41757339079647 ARMY GROUND FORCE, EQUIPMENT REVIEW BOARD, PRELIMINARY STUDY, 27 JUNE 1945 6/27/1945 46 47270 FOLDER 456 A65586 41757349079648 COMMENTS ON ETOUSA REVIEW OF COOK BOARD REPORT, 1 JANUARY 1945 1/1/1945 1 47270 FOLDER 456 A65590 41757369079650 HANDWRITTEN NOTES REGARDING RAM (NFI) PAPER, 14 JUNE 1945 6/14/1945 2 47270 FOLDER 456 A65592 41757419079654 NOTES ON REORGANIZATION, POSSIBLY SSA, 27 JULY 1944 7/27/1944 6 47270 FOLDER 456 A65594 41757449079658 BRIEF OF TESTIMONY OF ARMY GROUND FORCE REPRESENTATIVE ON COMMUNICATIONS EQUIPMENT BEFORE WAR DEPARTMENT EQUIPMENT BOARD, 19 DECEMBER 1945 12/19/1945 43 47270 FOLDER 456 A65597 41757479079661 EXTRACT FROM HEADQUARTERS MEDITERRANEAN THEATER OF OPERATIONS, UNITED STATES ARMY, G-3 DIV; SECTION XVIII. COMMUNICATIONS, 1 JANUARY 1945 1/1/1945 2 47270 FOLDER 456 A65598 41757499079663 HANDWRITTEN LIST OF DOCUMENTS, 1 JANUARY 1945 1/1/1945 1 47270 FOLDER 456 A65599 41757529079666 GENERAL COMMENTS ON ARMY GROUND FORCES EQUIPMENT REVIEW BOARD REPORT, 14 DECEMBER 1945 12/14/1945 2 47270 FOLDER 456 A65600 41757559079669 EXTRACT FROM GENERAL HQS, US ARMY FORCES, PACIFIC; COMMENTS AND RECOMMENDATIONS ON ARMY GROUND FORCE EQUIPMENT REVIEW BOARD PRELIMINARY BOARD STUDY,6/26/1945 26 JUNE 1945 4 47270 FOLDER 456 A65602 41757589079672 COMMENTS ON MTOUSA REVIEW BOARD REPORT, 1 JANUARY 1945 1/1/1945 1 47270 FOLDER 456 A65603 41757609079674 SECTION V, DISCUSSION AND RECOMMENDATIONS CONCERNING INDIVIDUAL ITEMS BEFORE THE EQUIPMENT REVIEW BOARD, 1 JANUARY 1945 1/1/1945 6 47270 FOLDER 456 A65604 41757619079675 ARMY GROUND FORCES EQUIPMENT REVIEW, 14 DECEMBER 1945 12/14/1945 8 47270 FOLDER 456 A65607 41757669079680 EXTRACT FROM HQS EUROPEAN THEATER OF OPERATIONS, US ARMY; ETOUSA REVIEW OF ARMY GROUND FORCES, EQUIPMENT REVIEW BOARD, PRELIMINARY STUDY, 1 JANUARY 19451/1/1945 10 47270 FOLDER 456 A65609 41757689079682 ARMY SERVICE FORCES SIGNAL CORPS ENGINEERING LABORATORIES REPORT OF WIRE EQUIPMENT COMMITTEE, 11 OCTOBER 1945 10/11/1945 25 47270 FOLDER 456 A65610 41757709079684 EXTRACT FROM IMPORTANT POLICY PRINCIPLES EXTRACTED FROM THE AGF EQUIPMENT REVIEW BOARD REPORT, 1 JANUARY 1945 1/1/1945 1 47270 FOLDER 456 A65611 41757729079686 PROPOSED MILITARY CHARACTERISTICS FOR PORTABLE LIGHTWEIGHT SPEECH SECURITY EQUIPMENT, 1 JANUARY 1945 1/1/1945 3 47270 FOLDER 456 A65612 41757759079688 RADAR SURVEY AND IDENTIFICATION EQUIPMENT, 01 JANUARY 1945 1/1/1945 3 47270 FOLDER 456 A65614 41757769079690 EXTRACT FROM ANNEX "B" - COMMUNICATIONS EQUIPMENT, 1 JANUARY 1945 1/1/1945 2 47270 FOLDER 189 A65617 41746569078579 STATUS OF SYSTEMS -1954, 10 JANUARY 1955 1/10/1955 29 47270 FOLDER 189 A65619 41746889078609 STATUS OF SYSTEMS - 31 MARCH 1955, 10 APRIL 1955; SUPPLEMENT TO THE REPORT OF 31 DECEMBER 1954 4/10/1955 13 47270 FOLDER 189 A65620 41747129078632 STATUS OF SYSTEMS - 30 JUNE 1955, 19 JULY 1955; SUPPLEMENT TO THE REPORT OF 31 DECEMBER 1954 AND 31 MARCH 1955 7/19/1955 13 47270 FOLDER 189 A65637 41748869078806 PACIFIC PROCESSING DIVISION QUARTERLY REVIEW OF CRYPTO SYSTEMS, 1 JULY 1955 7/1/1955 52 47270 FOLDER 188 A65640 41748959078814 THE JAPANESE VERSION OF THE BLACK CHAMBER; "THE STORY OF THE NAVAL SECRET CHAMBER", 1 JANUARY 1955 1/1/1955 27 47270 FOLDER 187 A65641 41749019078820 SCAMP PROJECT, 27 JULY 1954 7/27/1954 3 47270 FOLDER 187 A65642 41749269078846 RELIABILITY OF COMMUNICATIONS IN EUROPE, 21 JULY 1954; BRIEFING TO CINCEUR 7/21/1954 14 47270 FOLDER 187 A65643 41749379078856 NATIONAL SECURITY AGENCY REGISTRY FOR CONSULTANTS, 12 JULY 1954 7/12/1954 6 47270 FOLDER 187 A65644 41749439078862 NOTES ON MEETING WITH MR. MCPHERSON, 18 AUGUST 1954 8/18/1954 2 47270 FOLDER 187 A65645 41749619078880 NSA SCIENTIFIC ADVISORY BOARD REPORT FOR THE PERIOD JANUARY 1953 THROUGH JUNE 1954 7/1/1954 8 47270 FOLDER 187 A65646 41749889078907 DRAFT COPY OF MINUTES OF THE FIRST TELECOMMUNICATIONS PANEL MEETING, 16 JULY 1954 7/16/1954 2 47270 FOLDER 187 A65647 41749969078915 COMMENTS ON SKELLETT'S CODING AND DECODING MACHINE, 9 NOVEMBER 1954 11/9/1954 3

UNCLASSIFIED 94 UNCLASSIFIED

47270 FOLDER 187 A65648 41750529078971 CODING AND DECODING MACHINE BY A.M. SKELLET, 26 AUGUST 1954 8/26/1954 11 47270 FOLDER 187 A65649 41750859079004 REQUIREMENT FOR FREQUENT REPORTING ON AIRCRAFT, 2 FEBRUARY 1955 2/2/1955 6 47270 FOLDER 186 A65650 41751029079023 EVALUATION OF THE ROLE OF DECRYPTION INTELLIGENCE IN THE OPERATIONAL PHASE OF THE BATTLE OF THE ATLANTIC, 1 APRIL 1953 4/1/1953 113 47270 FOLDER 185 A65651 41751349079053 MONTHLY LOSSES OF BRITISH, ALLIED AND NEUTRAL SHIPPING BY U/B ACTION IN WORLD WAR II, 7 AUGUST 1953 8/7/1953 14 47270 FOLDER 308 A65652 41733219077245 CLEARANCE FOR CATEGORY III COMINT 9/10/1954 2 47270 FOLDER 308 A65653 41733259077248 APPROVAL OF USCIB 13.2/29 9/3/1954 1 47270 FOLDER 308 A65654 41733279077251 APPROVAL OF USCIB 13.2/26, 30 AUGUST 1954 8/30/1954 1 47270 FOLDER 184 A65655 41751359079054 COMINT - - HARD FACTS IN THE COLD WAR BY J.A. MEYER 1/1/1958 23 47270 FOLDER 184 A65656 41751369079055 LETTER TO J.A. MEYER REGARDING PUBLICATION OF UNSPECIFIED MATERIAL, 9 APRIL 1958 4/9/1958 1 47270 FOLDER 184 A65657 41751379079056 PERSONAL LETTER FROM J.A. MEYER TO W.F. FRIEDMAN, 18 MARCH 1958 3/18/1958 2 47270 FOLDER 184 A65658 41751389079057 PERSONAL LETTER, W.F. FRIEDMAN TO J.A. MEYER, 9 MARCH 1958 3/9/1958 1 47270 FOLDER 184 A65659 41751679079085 PERSONAL LETTER TO W.F. FRIEDMAN, 14 JANUARY 1957 1/14/1957 2 47270 FOLDER 184 A65660 41751749079093 LETTER FROM JOE MEYER TO DR. R.A. LEIBLER, 18 MARCH 1958 3/18/1958 1 47270 FOLDER 184 A65661 41751799079097 PERSONAL LETTER, MEYER TO FRIEDMAN, 18 MARCH 1958 3/18/1958 2 47270 FOLDER 308 A65662 41733319077255 CLEARANCE FOR CATEGORY III COMINT (WALTERS - USCIB 13.2/25 OF 12 AUGUST 1954) 8/13/1954 1 47270 FOLDER 183 A65663 41751879079106 STUDY OF A JOINT ORGANIZATION FOR THE SECURITY OF THE U.S. MILITARY COMMUNICATIONS - PART B, 27 DECEMBER 1948 12/27/1948 52 47270 FOLDER 308 A65664 41733349077258 APPROVAL OF USCIB 13.2/24, 20 AUGUST 1954 8/20/1954 1 47270 FOLDER 308 A65665 41733389077262 CLEARANCE FOR CATEGORY III COMINT (COOLEY) 8/18/1954 1 47270 FOLDER 308 A65667 41733409077264 CLEARANCE FOR CATEGORY III COMINT, 13 AUGUST 1954 8/13/1954 1 47270 FOLDER 181 A65668 41752949079212 MECHANIZATION IN SUPPORT OF COMINT - PHASE I, OCTOBER 1954 10/1/1954 39 47270 FOLDER 181 A65669 41753169079241 MECHANIZATION IN SUPPORT OF COMINT - PHASE II, OCTOBER 1954 10/1/1954 186 47270 FOLDER 181 A65670 41753449079262 MECHANIZATION IN SUPPORT OF COMINT - PHASE III, FIRST EDITION, 1 JULY 1955 7/1/1955 71 47270 FOLDER 180 A65671 41753519079268 MEMORANDUM FOR DIRECTOR REGARDING INADEQUATE RESEARCH AND DEVELOPMENT WITH RESPECT TO COMINT, 6 DECEMBER 1954 12/6/1954 7 47270 FOLDER 180 A65672 41753629079278 SOME PROJECTS WHICH NEED TO BE UNDERTAKEN TO IMPROVE COMINT, 22 NOVEMBER 1954 11/22/1954 3 47270 FOLDER 308 A65673 41733449077268 COMMUNICATIONS INTELLIGENCE CLEARANCE FOR DEPUTY DIRECTOR OF OFFICE OF DEFENSE MOBILIZATION 8/10/1954 1 47270 FOLDER 180 A65674 41753679079283 NSA R & D COSTS, 3 DECEMBER 1954 12/3/1954 4 47270 FOLDER 308 A65675 41733489077272 CLEARANCE FOR CATEGORY III COMINT (WALTERS), 12 AUGUST 1954 8/12/1954 2 47270 FOLDER 308 A65676 41733519077275 CLEARANCE FOR CATEGORY III COMINT (QUINN) 8/5/1954 2 47270 FOLDER 180 A65677 41753739079289 HIRING OF ENGINEERS - EXISTING CONDITIONS, 2 NOVEMBER 1954 11/2/1954 2 47270 FOLDER 030 A65679 41788529082753 WILLIAM F FRIEDMAN LETTER: TO MR HAROLD H BEVERAGE, ACKNOWLEDGING MR BEVERAGE'S ACCEPTANCE OF INVITATION TO 20-21 MAY JOINT PANEL MEETINGS 5/6/1954 1 47270 FOLDER 308 A65681 41733549077278 USCIB 13.2/22 DATED 9 JULY 1954 7/12/1954 1 47270 FOLDER 308 A65683 41733609077284 CLEARANCE FOR ACCESS TO COMINT (LT THOMAS T. WETMORE, III, USCG) 7/9/1954 1 47270 FOLDER 308 A65684 41733639077287 CLEARANCE AND INDOCTRINATION FOR COMINT (EISENHOWER) 6/29/1954 1 47270 FOLDER 308 A65685 41733659077289 CLEARANCE FOR COMINT (VICE ADMIRAL WALTER S. DELANY, USN (RET.) 6/14/1954 1 47270 FOLDER 458 A65686 41757789079692 RECOMMENDATION FOR DISAPPROVAL OF SUBJECT MANUAL OF CRYPTOLOGY, 12 NOVEMBER 1947 11/12/1947 1 47270 FOLDER 308 A65687 41733699077293 APPROVAL OF USCIB 13.2/17 DATED 14 MAY 1954 6/2/1954 1 47270 FOLDER 458 A65688 41757819079695 COMMENTS ON DRAFT MANUAL OF CRYPTOLOGY, 17 NOVEMBER 1947 11/17/1947 6 47270 FOLDER 308 A65690 41733729077295 CLEARANCE FOR COMINT (VICE ADMIRAL WALTER S. DELANY, USN (RETD.), 24 MAY 1954 5/24/1954 2 47270 FOLDER 308 A65691 41733749077298 CLEARANCE FOR COMINT (MR. ROWLAND HUGHES AND MR. BRYCE HARLOW) 5/14/1954 2 47270 FOLDER 308 A65692 41733779077301 CLEARANCE FOR SPECIAL INTELLIGENCE (J. PATRICK COYNE AND MISS EVELYN RAPER) 4/12/1954 1 47270 FOLDER 456 A65693 41757839079697 STATISTICAL SUMMARY OF VARIOUS PROGRAMS, 31 MARCH 1953; OFFICE OF R&D 3/31/1953 2 47270 FOLDER 308 A65694 41733799077303 CLEARANCE FOR SPECIAL INTELLIGENCE (HARRY S. TRAYNOR) 4/12/1954 1 47270 FOLDER 308 A65696 41733839077307 CLEARANCE FOR SPECIAL INTELLIGENCE (J. PATRICK COYNE AND MISS EVELYN RAPER), 30 MARCH 1954 3/30/1954 4 47270 FOLDER 308 A65697 41733939077318 CLEARANCE FOR SPECIAL INTELLIGENCE (HARRY S. TRAYNOR), 30 MARCH 1954 3/30/1954 2 47270 FOLDER 307 A65698 41733979077320 NOTIFICATION OF HAZARDOUS DUTY ASSIGNMENT 3/28/1955 1 47270 FOLDER 030 A65699 41788549082755 WILLIAM F FRIEDMAN LETTER: TO MR J DESCH, DESCH UNABLE TO MAKE 4-7 MAY MEETINGS OF THE SUBCOMMITTEE ON GENERAL PURPOSE FLEXIBLE ANALYTIC EQUIPMENT, HE IS PLANNING5/6/1954 ON ATTENDING1 THE 21 MAY JOINT PANEL MEETINGS 47270 FOLDER 307 A65700 41733989077322 NOTIFICATION OF HAZARDOUS DUTY ASSIGNMENT, 24 MARCH 1955 3/24/1955 2 47270 FOLDER 030 A65701 41791889083087 WILLIAM F FRIEDMAN LETTER: TO DR. JOHN VON NEUMANN, INCLOSING TRAVEL ORDERS FOR VISIT TO JOINT PANEL MEETINGS ON 20-21 MAY 5/6/1954 1 47270 FOLDER 307 A65702 41734019077326 ASSIGNMENT OF COMINT PERSONNEL TO HAZARDOUS DUTIES; MEMO FOR THE MEMBERS OF USCIB FROM USCIB EXECUTIVE SECRETARY 6/14/1954 5 47270 FOLDER 307 A65704 41734199077343 ASSIGNMENT OF COMINT PERSONNEL TO HAZARDOUS DUTIES 5/10/1954 7

UNCLASSIFIED 95 UNCLASSIFIED

47270 FOLDER 306 A65705 41734239077346 CLASSIFICATION OF INTERCEPTED TRAFFIC PASSED FROM INTERCEPT STATIONS TO PROCESSING ACTIVITIES 6/18/1954 2 47270 FOLDER 306 A65706 41734269077350 CLASSIFICATION OF "WAR SECRETS IN THE ETHER, VOL. II (PART III)" 5/21/1954 2 47270 FOLDER 306 A65707 41734319077355 DECLASSIFICATION OF DOCUMENT 5/10/1954 1 47270 FOLDER 030 A65708 41793609083259 WILLIAM F FRIEDMAN LETTER: TO DR ARTHUR L SAMUEL, ACKNOWLEDGING RECEIPT OF ACCEPTANCE TO 20-21 MAY JOINT PANEL MEETINGS 5/6/1954 1 47270 FOLDER 305 A65709 41734349077357 EXTERNAL DISTRIBUTION OF COMINT DOCUMENTS WITHIN THE WASHINGTON AREA 8/16/1955 3 47270 FOLDER 305 A65712 41734379077361 CATEGORIZATION OF COMINT 6/17/1955 1 47270 FOLDER 030 A65714 41895849093476 WILLIAM F FRIEDMAN LETTER: TO MR ARNOLD DUMEY, INCLOSING ALL NECESSARY FORMS ORDERS T/R'S FOR MR DUMEY'S VISIT TO NSA FOR JOINT PANEL MEETING ON 21 MAY 5/6/1954 1 47270 FOLDER 030 A65718 41790189082918 WILLIAM F FRIEDMAN LETTER: TO DR JOHN W TUKEY, ACKNOWLEDGING DR TUKEY'S ACCEPTANCE TO THE JOINT PANEL MEETINGS 20-21 MAY ALSO INCLOSING ALL NECESSARY FORMS,5/6/1954 TRAVEL ORDERS, T/R FOR1 COMPLETION OF TRIP 47270 FOLDER 305 A65721 41734419077365 IMPLEMENTATION OF CATEGORIZATION (USCIB 13.7/42) 5/26/1955 2 47270 FOLDER 030 A65723 41790109082911 WILLIAM F FRIEDMAN LETTER: TO SECURITY, LISTS ALL MEMBERS OF SCIENTIFIC ADVISORY BOARD FOR A REVIEW OF NATIONAL SECURITY AGENCY IDENTIFICATION BADGES 5/6/1954 2 47270 FOLDER 305 A65725 41734449077368 CATEGORIZATION OF COMINT 5/26/1955 2 47270 FOLDER 030 A65727 41790049082904 I T MCDONALD MEMO TO FISCAL ASKING FOR ATTACHED (NO ORDERS ATTACHED) ORDERS DATED 8 APRIL 1954 FOR MR C B TOMPKINS BE CANCELLED 5/6/1954 1 47270 FOLDER 305 A65728 41734499077373 CATEGORIZATION OF COMINT, 2 JUNE 1955 6/2/1955 1 47270 FOLDER 030 A65733 41790169082916 WILLIAM F FRIEDMAN LETTER: TO MR ROBERT E MILLER, CONFIRMS MR MILLER'S ACCEPTANCE OF PANEL MEETING ON 21 MAY 5/5/1954 1 47270 FOLDER 030 A65735 41791109083010 WILLIAM F. FRIEDMAN LETTER: TO BRIGADIER GENERAL TOM C. RIVES USAF (RET), ACKNOWLEDGES RECEIPT OF GEN RIVES ACCEPTANCE TO PANEL 20-21 MAY, NOTES TIME OF ARRIVAL5/5/1954 1 47270 FOLDER 030 A65738 41790229082922 WILLIAM F. FRIEDMAN LETTER: TO PROFESSOR SAUNDERS MACLANE, ACKNOWLEDGING PROF MACLANE'S INABILITY TO ATTEND PANEL MEETINGS OF 20-21 MAY 5/5/1954 1 47270 FOLDER 030 A65741 41790219082921 WILLIAM F FRIEDMAN LETTER: TO C/S, TRANSLATION OF "PRECIS DE CRYPTOGRAPHIE MODERNE" 5/5/1954 2 47270 FOLDER 305 A65742 41734529077376 IMPLEMENTATION OF CATEGORIZATION, 1 JUNE 1955 6/1/1955 1 47270 FOLDER 305 A65743 41734569077380 IMPLEMENTATION OF CATEGORIZATION, 19 MAY 1955 5/19/1955 2 47270 FOLDER 030 A65745 41790259082925 I T MC DONALD LETTER TO MISS FRANCES WALES, REQUESTING ADDITIONAL INFORMATION FROM DR SUITS 5/5/1954 1 47270 FOLDER 305 A65747 41787909082691 CATEGORIZATION OF COMINT, 18 MAY 1955 5/18/1955 4 47270 FOLDER 030 A65749 41790159082915 WILLIAM F FRIEDMAN LETTER: TO MR ROBERT A SLOMAN, MISUNDERSTANDING ABOUT THE ITEMS MR SLOMAN'S FATHER'S ESTATE CONTAINING OWEN AND GALLUP MATERIAL 5/4/1954 1 47270 FOLDER 305 A65750 41734679077391 USCIB 13.7/39 DATED 4 APRIL 1955, DELINEATION OF CATEGORIES OF COMINT 4/4/1955 4 47270 FOLDER 305 A65751 41734729077396 INDOCTRINATION OF PERSONNEL FOR TEMPORARY DUTY INVOLVING COMINT 11/15/1954 2 47270 FOLDER 305 A65753 41734759077399 DELINEATION OF CATEGORIES OF COMINT, 5 NOVEMBER 1954 11/5/1954 3 47270 FOLDER 305 A65754 41734789077402 DELINEATION OF CATEGORIES OF COMINT, 20 SEPTEMBER 1954 9/20/1954 8 47270 FOLDER 030 A65755 41790269082926 WILLIAM F FRIEDMAN LETTER: TO DR BROCKWAY MCMILLAN, ACKNOWLEDGING RECEIPT OF MR MCMILLAN'S LETTER ACCEPTING GENERAL CANINE'S INVITATION TO MEMBERSHIP ON5/4/1954 THE MATHEMATICS PANEL1 OF NSASAB 47270 FOLDER 305 A65757 41734819077405 DELINEATION OF CATEGORIES OF COMINT, 13 SEPTEMBER 1954 9/13/1954 2 47270 FOLDER 305 A65758 41734869077410 CATEGORIES OF COMINT, 30 AUGUST 1954 8/30/1954 8 47270 FOLDER 305 A65759 41734909077413 INDOCTRINATION FOR CATEGORY III COMINT (GRAVES) 8/10/1954 2 47270 FOLDER 394 A65762 41733869077310 COMMENT ON LANGUAGE TRANSLATION PROPOSALS, 9 APRIL 1951 4/9/1951 1 47270 FOLDER 394 A65763 41733889077312 STUDY ENTITLED "PROPOSALS FOR THE MECHANICAL RESOLUTION OF GERMAN SYNTAX PATTERNS", 6 MARCH 1951; MACHINE TRANSLATION 3/6/1951 37 47270 FOLDER 305 A65764 41734939077417 DELINEATION OF CATEGORIES OF COMINT (USCIB 13.7/26; 13.7/27), 30 JULY 1954 7/30/1954 8 47270 FOLDER 030 A65765 41790239082923 WILLIAM F. FRIEDMAN LETTER TO C/S, CONSULTANT AFFAIRS 4/30/1954 1 47270 FOLDER 393 A65767 41733919077315 SIGNAL CORPS RESEARCH ADVISORY COUNCIL FORMED, 4 JUNE 1952; SCAG CANDIDATES AND MEMBERS 6/4/1952 4 47270 FOLDER 393 A65769 41733949077317 RECEIPT FOR BADGE 10406, 11 JULY 1952 7/11/1952 1 47270 FOLDER 030 A65771 41790289082928 WILLIAM F FRIEDMAN LETTER: TO DR C B TOMPKINS, ACKNOWLEDGING DR TOMPKINS INABILITY TO ATTEND PANEL MEETINGS ON 20-21 MAY 4/30/1954 1 47270 FOLDER 393 A65772 41734009077323 ORGANIZATION OF R & D, 12 JUNE 1952 6/12/1952 1 47270 FOLDER 305 A65774 41734989077422 EMERGENCY DISSEMINATION OF COMINT TO NON-INDOCTRINATED PERSONS (REPORT BY THE CHAIRMAN, USCIB INTCOM - USCIB 13.7/20; 13.7/24) 7/30/1954 3 47270 FOLDER 393 A65775 41734029077325 SCAG BADGES, 3 APRIL 1952 4/3/1952 1 47270 FOLDER 030 A65777 41790329082932 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR MARSHALL HALL, ACKNOWLEDGING DR HALL'S INABILITY TO ATTEND PANEL MEETINGS OF 20-21 MAY 4/30/1954 1 47270 FOLDER 393 A65778 41734049077328 REQUEST FOR CONFERENCE BADGES, 5 MARCH 1952 3/5/1952 3 47270 FOLDER 030 A65779 41790389082938 WILLIAM F FRIEDMAN LETTER: TO DR A A ALBERT, ACKNOWLEDGING DR ALBERT'S ACCEPTANCE TO ATTEND MATHEMATICS PANEL MEETINGS 20-21 MAY 4/30/1954 1 47270 FOLDER 393 A65780 41734069077330 HANDWRITTEN NOTES CONCERNING SCAG MEMBERSHIP, 11 FEBRUARY 1952 2/11/1952 5 47270 FOLDER 393 A65781 41895859093477 REQUEST FOR CONSULTANT SERVICES OF MR. ROBERT O. FERNER, 28 JANUARY 1952; ALBATROSS PROBLEM 1/28/1952 3 47270 FOLDER 030 A65782 41790299082929 WILLIAM F. FRIEDMAN MEMORANDUM FOR COLONEL JONES (COMP) SUBJECT - ENTERTAINMENT EXPENSE INCURRED BY NSASAB 4/29/1954 1 47270 FOLDER 305 A65783 41735069077430 EMERGENCY DISSEMINATION OF COMINT TO NON-INDOCTRINATION PERSONS, 3 AUGUST 1954 8/3/1954 10 47270 FOLDER 393 A65784 41734129077335 CLEARANCE INFORMATION ON CONSULTANT 2/26/1952 3 47270 FOLDER 305 A65785 41789339082834 DELINEATION OF CATEGORIES OF COMINT, 29 JULY 1954 7/29/1954 2 47270 FOLDER 393 A65786 41734149077338 BADGE PICTURES FOR SCAG, 15 JANUARY 1952 1/15/1952 1

UNCLASSIFIED 96 UNCLASSIFIED

47270 FOLDER 393 A65787 41734169077340 CLEARANCE OF MEMBERS FOR SCAG, 23 NOVEMBER 1951 11/23/1951 2 47270 FOLDER 030 A65788 41790459082945 WILLIAM F. FRIEDMAN LETTER: TO DR. JOHN VON NEUMANN, ASKS HIM TO SIGN ENCLOSED VOUCHER AND CERTIFICATE WHERE INDICATED, CHECK WILL BE FORWARDED SOONEST 4/26/1954 1 47270 FOLDER 393 A65790 41734189077342 SECURITY CLEARANCES, 11/20/1951 1 47270 FOLDER 393 A65791 41734219077345 SECURITY CLEARANCES 11/6/1951 1 47270 FOLDER 305 A65792 41742829078204 DELINEATION OF CATEGORIES OF COMINT, 26 JULY 1954 7/26/1954 10 47270 FOLDER 393 A65794 41734249077348 MR. RALPH LEE PALMER AND SAMUEL S. WILKES SATISFACTORY SECURITY EVALUATIONS 10/29/1951 1 47270 FOLDER 305 A65797 41742869078207 NEED TO KNOW OF PROJECT LINCOLN FOR COMINT 7/23/1954 1 47270 FOLDER 393 A65798 41734259077349 BADGE FOR MR. EDWIN A. SPEAKMAN, 18 JUNE 1951 6/18/1951 2 47270 FOLDER 305 A65800 41742909078211 EMERGENCY DISSEMINATION OF COMINT TO NON-INDOCTRINATED PERSONS, 2 JULY 1954 7/2/1954 3 47270 FOLDER 393 A65801 41734299077353 DR. VON NEWMAN SUGGESTS FOLLOWING INDIVIDUAL FOR SCAG, 23 AUGUST 1951 8/22/1951 1 47270 FOLDER 305 A65804 41742949078215 EXPLOITATION OF PLAIN TEXT (USCIB 13.7/16) 5/28/1954 3 47270 FOLDER 393 A65805 41734329077356 CIA REP TO SCAG CLEARED AND INDOCTRINATED, 15 SEPTEMBER 1950 9/15/1950 1 47270 FOLDER 393 A65807 41734359077358 MEMORANDUM: SCAG 6/14/1951 1 47270 FOLDER 305 A65808 41742979078218 CLEARANCES FOR ACCESS TO COMINT 6/17/1954 1 47270 FOLDER 393 A65809 41734369077359 RECEIPT FOR CLASSIFIED MATERIAL RECEIVED 10/29/1951 2 47270 FOLDER 305 A65810 41744359078356 APPROVAL OF USCIB 13.7/17, DATED 1 JUNE 1954 6/14/1954 1 47270 FOLDER 393 A65811 41734389077362 CONVERSATION WITH PROFESSOR MACLANE, 4 JUNE 1951 6/4/1951 3 47270 FOLDER 393 A65812 41734409077363 RECEIPT OF BADGES AND PROPERTY PASSES, 4 JUNE 1951 6/4/1951 1 47270 FOLDER 393 A65814 41734439077366 ATTENDANCE AT SCAG INDICATED FOR MR. MCPHERSON, 29 MAY 1951 5/29/1951 1 47270 FOLDER 305 A65815 41744759078396 EMERGENCY DISSEMINATION OF COMINT TO NON-INDOCTRINATED PERSONS, 10 JUNE 1954 6/10/1954 11 47270 FOLDER 393 A65816 41734469077370 ISSUE OF "CONFERENCE BADGES" TO MEMBERS OF THE SPECIAL CRYPTOLOGIC ADVISORY GROUP (SCAG), 29 MAY 1951 5/29/1951 2 47270 FOLDER 393 A65817 41734489077372 PLANNING NOTE FOR SCAG MEETING, 21 MAY 1951 5/21/1951 1 47270 FOLDER 393 A65818 41734509077374 NOTE INDICATING PROFESSOR WILKS IS OUT OF COUNTRY UNTIL SEPTEMBER 1951 5/18/1951 1 47270 FOLDER 393 A65819 41734539077377 INTERIM REPORT ON PROGRESS OF SCAG 5/17/1951 1 47270 FOLDER 393 A65820 41734559077379 IBM NOMINATION OF MCPHERSON FOR SCAG 5/16/1951 1 47270 FOLDER 393 A65821 41734589077382 JOHN HOWARD ADDED TO SCAG 5/14/1951 1 47270 FOLDER 393 A65822 41734609077384 CLEARANCE MEMO 5/10/1951 1 47270 FOLDER 393 A65823 41734629077386 CLEARANCE MEMO 5/10/1951 1 47270 FOLDER 393 A65824 41734649077388 INVESTIGATIVE FILES OF OSRD DESTROYED, 5/9/1951 1 47270 FOLDER 393 A65825 41895869093478 BACKGROUND INFORMATION ON DESCH, JOSEPH RAYMOND, 5/2/1951 1 47270 FOLDER 393 A65826 41895879093479 CLEARANCE OF MONGOMERY, DEANE, 5/2/1951 1 47270 FOLDER 305 A65827 41744399078359 CLEARANCE FOR ACCESS TO COMINT 6/2/1954 2 47270 FOLDER 305 A65828 41744419078362 DISTRIBUTION AND SECURITY CONTROL OF COMINT 6/2/1954 1 47270 FOLDER 305 A65829 41744469078367 MEMORANDUM FOR THE USCIB, 1 JUNE 1954 6/1/1954 1 47270 FOLDER 305 A65830 41744509078371 EXPLOITATION OF PLAIN TEXT, 25 MAY 1954 5/25/1954 2 47270 FOLDER 305 A65831 41744559078376 DISTRIBUTION AND SECURITY CONTROL OF COMINT 5/18/1954 3 47270 FOLDER 305 A65832 41744599078380 DISTRIBUTION AND SECURITY CONTROL OF COMINT, 4 MAY 1954 5/4/1954 3 47270 FOLDER 393 A65833 41734879077411 RECORD OF TELEPHONE CALL REGARDING CLEARANCE OF INDIVIDUAL NAMED SHANNON, 5/1/1951 2 47270 FOLDER 393 A65835 41734919077415 NOTE ON ADVISABILITY OF INCLUDING DR. AIKEN OF HARVARD ON SCAG 5/1/1951 1 47270 FOLDER 393 A65836 41734949077418 LIST OF PRINCIPALS TO SCAG, 5/1/1951 1 47270 FOLDER 393 A65838 41734969077420 AGENDA FOR SCAG MEETING ON RESEARCH AND DEVELOPMENT FOR NATIONAL SECURITY 4/25/1951 1 47270 FOLDER 393 A65840 41734999077423 DRAFT OF LETTER TO BELL TELEPHONE LABORATORIES REGARDING SCAG 4/30/1951 2 47270 FOLDER 393 A65841 41742739078194 REPORT OF VISIT OF PROF. VON NEUMANN, 4/24/1951 1 47270 FOLDER 393 A65842 41742759078196 NOTE ON BACKGROUND INVESTIGATIONS OF INDIVIDUALS 4/26/1951 1 47270 FOLDER 393 A65843 41742779078198 NOTE INDICATING MACLANE (NFI) CLEARED BY OSRD, 4/1/1951 1 47270 FOLDER 393 A65844 41742789078199 INTERIM REPORT ON SCAG 4/21/1951 4 47270 FOLDER 393 A65847 41742819078202 CLEARANCE STATUS OF SEVERAL INDIVIDUALS, 4/10/1951 8 47270 FOLDER 305 A65848 41744649078385 EMERGENCY DISSEMINATION OF COMINT TO NON-INDOCTRINATED PERSONS (USCIB 13.7/11), 29 APRIL 1954 4/29/1954 3 47270 FOLDER 393 A65849 41742849078205 ATTEMPTS TO SECURE CONSULTANT SERVICES OF JOHN VON NEUMANN, 12 OCTOBER 1950 10/12/1950 5 47270 FOLDER 305 A65851 41744699078390 DISTRIBUTION AND SECURITY CONTROL OF COMINT REQUIRED BY CERTAIN NON-MEMBER ORGANIZATIONS (USCIB 13.7/7) 4/29/1954 1

UNCLASSIFIED 97 UNCLASSIFIED

47270 FOLDER 393 A65852 41895889093480 POLICY GROUP TO UTILIZE SCIENTIFIC TALENTS ESTABLISHED BY RESEARCH AND DEVELOPMENT BOARD, 23 AUGUST 1951 8/23/1951 3 47270 FOLDER 030 A65854 41790409082940 WILLIAM F. FRIEDMAN LETTER: TO MR ARTHUR W. HORTON, JR, DISCUSSES MR. H. S. SHAPIRO AND BALLISTIC RESEARCH LABORATORY 4/27/1954 1 47270 FOLDER 305 A65855 41744729078393 EMERGENCY DISSEMINATION OF COMINT TO NON-INDOCTRINATED PERSONS, 19 APRIL 1954 4/19/1954 2 47270 FOLDER 393 A65856 41742919078212 INFORMATION REGARDING APPOINTMENT, COMPENSATION, AND REIMBURSEMENT, 1 JANUARY 1951 1/1/1951 3 47270 FOLDER 305 A65857 41744789078399 EMERGENCY DISSEMINATION OF COMINT TO NON-INDOCTRINATED PERSONS 4/13/1954 3 47270 FOLDER 305 A65858 41744819078402 EMERGENCY AND OPERATIONAL DISSEMINATION OF COMINT, 9 APRIL 1954 4/9/1954 12 47270 FOLDER 030 A65859 41790369082936 WILLIAM F FRIEDMAN LETTER: TO MR ARTHUR W HORTON JR, GLAD TO HEAR HE IS COMING TO THE GENERAL PURPOSE FLEXIBLE ANALYTIC EQUIPMENT SUBCOMMITTEE'S MEETING4/27/1954 1 47270 FOLDER 305 A65860 41744839078404 REVIEW OF "NEED TO KNOW" OF PERSONNEL EMPLOYED IN PRIVATE INDUSTRY 4/14/1954 1 47270 FOLDER 305 A65861 41744859078406 REVIEW OF "NEED TO KNOW" OF PERSONNEL EMPLOYED IN PRIVATE INDUSTRY, 7 APRIL 1953 4/7/1953 1 47270 FOLDER 393 A65863 41742939078214 SERIES OF LETTERS BETWEEN FRIEDMAN AND IBM REGARDING PROVISION OF A COPY OF "THE AMERICAN BLACK CHAMBER" TO IBM AS BACKGROUND MATERIAL, 24 SEPTEMBER 19529/24/1952 4 47270 FOLDER 030 A65865 41790429082942 WILLIAM F. FRIEDMAN LETTER: TO DR. JOHN VON NEUMANN, FORWARDS ORDERS AND TRAVEL VOUCHER FORMS IN THE EVENT DR. VON NEUMANN IS ABLE TO ATTEND THE 4-7 MAY4/26/1954 '54 MEETING 1 47270 FOLDER 030 A65866 41790339082933 WILLIAM F. FRIEDMAN LETTER: TO MR. J. DESCH, ACKNOWLEDGES MR. DESCH'S INTENTION TO VISIT NSA 4-7 MAY 1954, INVITES MR. DESCH TO 21 MAY NSASAB PANEL MEETING 4/26/1954 1 47270 FOLDER 030 A65867 41790509082950 WILLIAM F. FRIEDMAN LETTER: TO PROFESSOR J. FORRESTER, ACKNOWLEDGES PROF. FORRESTER'S INTENTION TO VISIT NSA 3-7 MAY 1954, INVITES PROF. FORRESTER TO 21 MAY NSASAB4/26/1954 PANEL MEETING 1 47270 FOLDER 030 A65868 41790469082946 WILLIAM F. FRIEDMAN LETTER: TO MR. JOHN C. MC PHERSON, FORWARDS ORDERS AND TRAVEL VOUCHER TO MR. MCPHERSON FOR 4-7 MAY 1954 MEETING 4/26/1954 1 47270 FOLDER 393 A65869 41895899093481 SERIES OF LETTERS FROM SCAG MEMBERS REGARDING SUGGESTIONS FOR IMPROVING RESEARCH AND DEVELOPMENT, 2 OCTOBER 1952 10/2/1952 14 47270 FOLDER 393 A65870 41742989078219 LETTER TO SCAG MEMBERS SUGGESTING ESTABLISHMENT OF A SEPARATE RESEARCH ORGANIZATION, 2 JUNE 1952 6/2/1952 2 47270 FOLDER 305 A65871 41744889078408 DISTRIBUTION AND SECURITY CONTROL OF COMINT REQUIRED BY CERTAIN NON-MEMBER ORGANIZATIONS (USCIB 13.7/7) 3/26/1954 2 47270 FOLDER 393 A65872 41743009078221 MEMO FROM ENGINEERING RESEARCH ASSOCIATES, INC. TO FRIEDMAN 7/17/1952 1 47270 FOLDER 393 A65873 41743039078224 RETURN OF FOUR LOANED DOCUMENTS , 24 JUNE 1952 6/24/1952 2 47270 FOLDER 393 A65874 41743049078225 RETENTION OF LOANED PUBLICATIONS, 16 APRIL 1952 4/16/1952 1 47270 FOLDER 393 A65875 41743069078227 LETTER OF APPRECIATION TO SANDIA CORPORATION FOR LOAN OF MR. FERNER TO AFSA, 20 JUNE 1952 6/20/1952 1 47270 FOLDER 393 A65876 41743099078230 LETTER OF THANKS FOR PHOTOCOPIES OF AN UNSPECIFIED PAPER, 16 JUNE 1952 6/16/1952 1 47270 FOLDER 393 A65877 41743119078232 ADDITIONAL SCAG MEETING TO DISCUSS SCAG REPORT, 13 JUNE 1952 6/13/1952 1 47270 FOLDER 393 A65878 41743139078233 SCAG ACTIVITIES, 6 JUNE 1952 6/6/1952 1 47270 FOLDER 393 A65879 41743159078236 SCAG RELATED PERSONNEL MATTERS, 5 JUNE 1952 6/5/1952 1 47270 FOLDER 393 A65880 41743189078239 EXPRESSION OF AGREEMENT TO SCAG REPORT, 5 JUNE 1952 6/5/1952 1 47270 FOLDER 393 A65881 41743219078241 STUDY OF SCAG REPORT, 17 MAY 1952 5/17/1952 2 47270 FOLDER 393 A65882 41743239078244 APPRECIATION OF SCAG ACCOMPLISHMENTS, 21 MAY 1952 5/21/1952 1 47270 FOLDER 393 A65883 41743269078247 LETTER OF THANKS FOR SCAG PARTICIPATION, 17 MAY 1952 5/17/1952 1 47270 FOLDER 393 A65884 41743279078248 LETTER FROM BURROUGHS CO. CONCERNING "GATEHOUSE INCIDENT", 23 APRIL 1952 4/23/1952 2 47270 FOLDER 393 A65885 41743299078250 POSSIBLE CONTRACTUAL RELATIONSHIP FOR INVESTIGATION IN THE FIELD OF MAGNETIC BINARIES, 24 APRIL 1952 4/24/1952 1 47270 FOLDER 305 A65886 41744909078411 DETERMINATION OF "NEED TO KNOW" AND ASSIGNMENT OF SECURITY AND DISTRIBUTION RESPONSIBILITIES FOR ORGANIZATIONS NOT UNDER THE EXCLUSIVE COGNIZANCE OF A SINGLE3/19/1954 USCIB MEMBER 3 47270 FOLDER 393 A65887 41743329078253 REQUEST FOR RETURN OF LOANED DOCUMENTS, 3 APRIL 1952 4/3/1952 1 47270 FOLDER 393 A65888 41743379078258 FRIEDMAN NOTE ON SCAG MATTERS, 28 APRIL 1952 4/28/1952 1 47270 FOLDER 393 A65889 41743399078260 LETTER OF GRATITUDE FOR PREFERRED LOAN OF INDIVIDUAL TO AFSA, 16 APRIL 1952 4/16/1952 2 47270 FOLDER 304 A65890 41744939078414 TRANSMISSION OF CATEGORY III COMINT OVER TERRITORIES OF THIRD PARTIES TO THE UKUSA AGREEMENT 2/8/1955 3 47270 FOLDER 393 A65891 41743429078262 LETTER OF APOLOGY FOR DELAY IN GAINING ENTRY TO NCS, 9 APRIL 1952 4/9/1952 1 47270 FOLDER 393 A65892 41743449078264 REQUEST FOR RETURN OF SCAG RELATED LOANED DOCUMENTS, 4 APRIL 1952 4/4/1952 2 47270 FOLDER 304 A65893 41744999078419 APPROVAL OF USCIB 13.6/19, DATED 3 MAY 1954 5/17/1954 1 47270 FOLDER 393 A65894 41743469078266 LETTER CONCERNING STUDY OF SCAG REPORT, 17 MAY 1952 5/17/1952 2 47270 FOLDER 304 A65895 41745029078423 COURIER ROUTES FOR TRANSMISSION OF COMINT OVER THE TERRITORY OF "THIRD PARTY" COUNTRIES 4/21/1954 1 47270 FOLDER 393 A65896 41743489078268 APPRECIATION FOR LETTER CONCERNING SCAG MATTERS, 27 MAY 1952 5/27/1952 1 47270 FOLDER 393 A65898 41743519078271 REQUEST FOR LOAN OF BELL TELEPHONE EMPLOYEE TO AFSA, 22 MARCH 1952 3/22/1952 1 47270 FOLDER 393 A65899 41743539078273 MINUTES OF THE 5TH REGULAR SCAG MEETING, AHS 12 AND 13 MARCH 1952 3/13/1952 2 47270 FOLDER 393 A65902 41743559078276 REPORT OF TRIP TO PRINCETON UNIVERSITY, 5 MARCH 1952 3/5/1952 1 47270 FOLDER 393 A65903 41743589078279 AGENDA FOR SPECIAL CRYPTOLOGIC ADVISORY GROUP (SCAG) MEETING OF 12 MARCH 1952, 28 FEBRUARY 1952 2/28/1952 3 47270 FOLDER 393 A65904 41743609078281 LETTER RELATED TO SCAG MEETING OF 12/13 MARCH 1952, 3 MARCH 1952 3/3/1952 2 47270 FOLDER 393 A65905 41743629078283 NOTICE OF SCAG MEETING SCHEDULE, 26 FEBRUARY 1952 2/26/1952 1 47270 FOLDER 393 A65906 41895909093482 NOTICE OF CHANGE IN SCAG MEETING DATE, 22 FEBRUARY 1952 2/22/1952 1 47270 FOLDER 303 A65907 41745079078428 PERSONNEL SECURITY STANDARDS AND PRACTICES 6/29/1955 2

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47270 FOLDER 393 A65908 41743709078290 LIST OF COLLEGES WITH PERSONNEL QUALIFIED IN RESEARCH OF SPEECH SECURITY AND SCRAMBLING, 14 FEBRUARY 1952 2/14/1952 3 47270 FOLDER 393 A65909 41895919093483 FLU BUG SETS BACK TRAVEL PLANS, 18 FEBRUARY 1952 2/18/1952 1 47270 FOLDER 393 A65910 41895939093485 FRIEDMAN TALK ON COMMUNICATIONS SECURITY AT AIR UNIVERSITY, 10 FEBRUARY 1952 2/10/1952 2 47270 FOLDER 393 A65911 41743769078297 LETTER OUTLINING FRIEDMAN TRAVEL PLANS TO AIR UNIVERSITY, 15 FEBRUARY 1952 2/15/1952 1 47270 FOLDER 303 A65912 41745109078431 COMINT PERSONNEL SECURITY STANDARDS AND PRACTICES 7/18/1955 2 47270 FOLDER 393 A65913 41895949093487 SUMMARIZATION OF FRIEDMAN CONVERSATION OF 10 JANUARY, 6 FEBRUARY 1952 2/6/1952 5 47270 FOLDER 303 A65914 41745159078436 COMINT PERSONNEL SECURITY STANDARDS (USCIB 13.1/7) 6/10/1955 4 47270 FOLDER 393 A65915 41743829078303 DR. SHANNON FEELS PRESSURE OF BUSINESS, WON'T VISIT NEXT WEEK AS PLANNED, 8 FEBRUARY 1952 2/8/1952 1 47270 FOLDER 030 A65916 41790439082943 WILLIAM F. FRIEDMAN LETTER: TO MR. JOHN HOWARD, ACKNOWLEDGES MR. HOWARDS INTENTION TO VISIT NSA 4-7 MAY 1954, REFERS TO 21 MAY NSASAB PANEL MEETING 4/26/1954 1 47270 FOLDER 393 A65917 41743839078304 FRIEDMAN SICK, WILL ANSWER YOUR LETTER 11 FEBRUARY, 7 FEBRUARY 1952 2/7/1952 1 47270 FOLDER 303 A65918 41745189078439 SECURITY STANDARDS AND PRACTICES, 13 JUNE 1955 6/13/1955 1 47270 FOLDER 393 A65919 41743869078307 LETTER TO SCAG MEMBERS, 28 JANUARY 1952 1/28/1952 2 47270 FOLDER 393 A65920 41743899078310 NEXT SCAG MEETING RESCHEDULED, 25 JANUARY 1952 1/25/1952 2 47270 FOLDER 393 A65921 41743919078312 POSSIBLE CONTRACT FOR BASIC RESEARCH, 8 JANUARY 1952 1/8/1952 5 47270 FOLDER 303 A65922 41745229078443 PERSONNEL SECURITY STANDARDS AND PRACTICES, 16 JUNE 1955 6/16/1955 1 47270 FOLDER 393 A65923 41743949078315 SCAG ACTION ON TOMPKINS PROPOSAL, 3 JANUARY 1952 1/3/1952 1 47270 FOLDER 303 A65925 41745299078450 PERSONNEL SECURITY STANDARDS, 18 MAY 1955 5/18/1955 3 47270 FOLDER 393 A65926 41743979078318 DATE AND PLACE OF NEXT SCAG MEETING, 26 DECEMBER 1951 12/26/1951 1 47270 FOLDER 303 A65927 41745359078456 COMINT CLEARANCE LEVELS, 21 MAY 1954 5/21/1954 2 47270 FOLDER 393 A65928 41743999078320 AFSA COUNTERPART TO SCAG, 4 JANUARY 1952 1/4/1952 1 47270 FOLDER 393 A65929 41744029078323 SUGGESTIONS FROM SCAG IN RE BASIC RESEARCH, 21 DECEMBER 1951 12/21/1951 1 47270 FOLDER 302 A65930 41745409078461 POLICY FOR SAFEGUARDING CRYPTOLOGIC INFORMATION PROVIDED TO COMMERCIAL ORGANIZATION, 2 MARCH 1955 3/2/1955 2 47270 FOLDER 393 A65931 41744049078325 DESIGNATION OF REPRESENTATIVE, 28 DECEMBER 1951 12/28/1951 1 47270 FOLDER 393 A65932 41744069078327 SCAG STRONGLY RECOMMENDS AFSA PUT ADDITIONAL EFFORT INTO BASIC RESEARCH, 12 DECEMBER 1951 12/12/1951 1 47270 FOLDER 393 A65933 41744079078328 INFORMATION SUBMITTED IN CONNECTION WITH PROPOSED PROGRAM OF BASIC RESEARCH, 12 DECEMBER 1951 12/12/1951 3 47270 FOLDER 302 A65934 41745449078465 POLICY FOR SAFEGUARDING CRYPTOLOGIC INFORMATION PROVIDED TO COMMERCIAL ORGANIZATIONS, 25 FEB. 1955 2/25/1955 6 47270 FOLDER 030 A65935 41790619082961 WILLIAM F. FRIEDMAN LETTER: TO MR. STEPHEN DUNWELL, ACKNOWLEDGES MR. DUNWELL'S INTENTION TO VISIT NSA 4-7 MAY 1954, REFERS TO 21 MAY NSASAB PANEL MEETING 4/26/1954 1 47270 FOLDER 393 A65936 41744089078329 PROPOSAL FOR ADDITIONAL SCAG MEETINGS, 30 OCTOBER 1951 10/30/1951 1 47270 FOLDER 393 A65937 41744109078331 HANDWRITTEN NOTES RELATED TO SCAG, 17 DECEMBER 1951 12/17/1951 3 47270 FOLDER 302 A65938 41745489078468 SECURITY REGULATIONS AND OTHER INSTRUCTIONS IN IMPLEMENTATION OF USCIB SECURITY POLICY 12/3/1954 1 47270 FOLDER 393 A65939 41744129078333 PROPOSED PROGRAM OF BASIC RESEARCH, 12 DECEMBER 1951 12/12/1951 3 47270 FOLDER 030 A65940 41790479082947 WILLIAM F. FRIEDMAN LETTER: TO DR. CLAUDE SHANNON, ACKNOWLEDGES MR. SHANNON'S INTENTION TO VISIT NSA 5-7 MAY 1954, REFERS TO 21 MAY NSASAB PANEL MEETING 4/26/1954 1 47270 FOLDER 393 A65941 41744159078336 PROPOSAL OF DR. TOMKINS, 30 NOVEMBER 1951 11/30/1951 2 47270 FOLDER 302 A65942 41745509078471 MAKING CLASSIFIED SECURITY INFORMATION AVAILABLE TO FOREIGN NATIONALS 7/13/1953 3 47270 FOLDER 302 A65943 41745549078475 SECURE FILM CARRIER 7/9/1953 3 47270 FOLDER 393 A65944 41744179078338 HANDWRITTEN QUERY REGARDING UNSPECIFIED PROPOSALS, 10 NOVEMBER 1951 11/10/1951 1 47270 FOLDER 393 A65945 41744199078340 SCAG CONTRIBUTIONS IN MATHEMATICS, 30 OCTOBER 1951 10/30/1951 8 47270 FOLDER 030 A65946 41790639082963 WILLIAM F. FRIEDMAN LETTER: TO MR. H.P. CORWITH, INFORMS MEMBERS OF NSASAB OF TIME AND PLACE OF OPENING SESSION OF APRIL BOARD MEETING 4/15/1954 1 47270 FOLDER 393 A65947 41744219078342 NOTES ON ADMINISTRATION OF RESEARCH FACILITIES, 01 JANUARY 1951 1/1/1951 2 47270 FOLDER 393 A65948 41744239078344 SUBJECTS FOR DISCUSSION AT FORTHCOMING SCAG MEETING, 13 NOVEMBER 1951 11/13/1951 1 47270 FOLDER 030 A65949 41790519082951 WILLIAM F FRIEDMAN LETTER: TO DR JOHN VON NEUMANN, INFORMS MEMBERS OF NSASAB OF TIME AND PLACE OF OPENING SESSION OF APRIL BOARD MEETING 4/15/1954 1 47270 FOLDER 302 A65950 41745599078480 POSSIBLE COMPROMISE OF COMINT CODEWORD INFORMATION 6/23/1953 2 47270 FOLDER 393 A65951 41744249078345 HANDWRITTEN FRIEDMAN NOTE REGARDING DECEMBER 6 AND 7 SCAG MEETING, 8 NOVEMBER 1951 11/8/1951 2 47270 FOLDER 393 A65952 41744259078346 FRIEDMAN LETTER OF THANKS FOR LETTER ON TRAVELING WAVE TUBE RESEARCH, 1 NOVEMBER 1951 11/1/1951 1 47270 FOLDER 393 A65953 41744269078347 CONFIRMATION OF LUNCH DATE, 24 OCTOBER 1951 10/24/1951 1 47270 FOLDER 302 A65954 41745629078484 REQUEST FOR USCIB APPROVAL OF PARIS-NAPLES COURIER SERVICE FOR CODEWORD MATERIAL, 9 FEBRUARY 1953 2/9/1953 2 47270 FOLDER 030 A65955 41790649082964 WILLIAM F. FRIEDMAN LETTER: TO MR. DONALD A. QUARLES, INFORMS MEMBERS OF NSASAB OF TIME AND PLACE OF OPENING SESSION OF APRIL BOARD MEETING 4/15/1954 1 47270 FOLDER 393 A65956 41744279078348 SUGGESTION FOR MEETING BETWEEN FRIEDMAN AND STONE, 20 OCTOBER 1951 10/20/1951 1 47270 FOLDER 302 A65957 41745679078488 COMPROMISE OF CODEWORD AND ASSOCIATED INFORMATION, 6 FEB. 1953 2/6/1953 1 47270 FOLDER 393 A65958 41744289078349 ENCLOSED LETTER CONCERNING TRAVELING WAVE TUBE RESEARCH, 24 OCTOBER 1951 10/24/1951 2

UNCLASSIFIED 99 UNCLASSIFIED

47270 FOLDER 030 A65959 41790829082982 WILLIAM F. FRIEDMAN LETTER: TO DR. S.S. WILKS, INFORMS MEMBERS OF NSASAB OF TIME AND PLACE OF OPENING SESSION OF APRIL BOARD MEETING 4/15/1954 1 47270 FOLDER 302 A65960 41745719078492 PREPARATIONS AND EXCHANGE OF REPORTS ON POSSIBLE COMPROMISES OF COMINT SUCCESSES, 12 JANUARY 1953 1/12/1953 5 47270 FOLDER 393 A65962 41744309078351 FRIEDMAN LETTER OF ACKNOWLEDGEMENT FOR INFORMATION ON A WORD WRITING MACHINE, 28 SEPTEMBER 1951 9/28/1951 2 47270 FOLDER 030 A65963 41790849082984 WILLIAM F. FRIEDMAN LETTER: TO DR. H. P. ROBERTSON, INFORMS MEMBERS OF NSASAB OF TIME AND PLACE OF OPENING SESSION OF APRIL BOARD MEETING 4/15/1954 1 47270 FOLDER 302 A65964 41745759078496 CLEARANCE OF MR. ROBERT CUTLER FOR SPECIAL INTELLIGENCE 1/8/1953 2 47270 FOLDER 393 A65965 41744319078352 NOTE FROM FRIEDMAN TO DIR, AFSA REGARDING UPCOMING SCAG CONFERENCE, 30 AUGUST 1951 8/30/1951 2 47270 FOLDER 302 A65967 41745799078500 INDOCTRINATION FOR COMINT, 7 JANUARY 1953 1/7/1953 2 47270 FOLDER 030 A65968 41790799082979 WILLIAM F. FRIEDMAN LETTER: TO MR. JOHN C. MCPHERSON, NOTIFIES BOARD MEMBERS ON NEXT NSASAB MEETING, REQUESTS MR. MCPHERSON TO BRIEF BOARD ON CRYPTOLOGIC4/15/1954 EQUIPMENT PANEL, REFERS1 TO IBM TRANSLATION PROGRAM FOR THE 701 47270 FOLDER 393 A65969 41744339078354 LETTERS CONCERNING DR. STONE'S SCHEDULE FOR NEXT FEW MONTHS, 24 AUGUST 1951 8/24/1951 6 47270 FOLDER 030 A65970 41790599082959 WILLIAM F FRIEDMAN LETTER: TO DR BAKER, DR BAKER IS UNABLE TO ATTEND FIRST DAY'S SESSION 4/15/1954 1 47270 FOLDER 302 A65971 41745869078506 CLEARANCE OF MR. ROBERT CUTLER FOR SPECIAL INTELLIGENCE, 2 JANUARY 1953 1/2/1953 2 47270 FOLDER 302 A65973 41745899078510 USAF "CATEGORY III" REQUIREMENTS 11/10/1952 2 47270 FOLDER 030 A65974 41790559082955 WILLIAM F. FRIEDMAN LETTER: TO DR STEWART S. CAIRNS, INFORMS MEMBERS OF NSASAB OF TIME AND PLACE OF OPENING SESSION OF APRIL BOARD MEETING 4/15/1954 1 47270 FOLDER 393 A65975 41744369078357 CENTRALIZATION OF SCAG AFFAIRS WITHIN AFSA, 10 AUGUST 1951 8/10/1951 1 47270 FOLDER 302 A65976 41745959078516 CLEARANCE OF MEMBERS OF THE AEC FOR SPECIAL INTELLIGENCE 11/7/1952 2 47270 FOLDER 393 A65977 41744389078358 LETTER OF CONGRATULATIONS TO GEN. CANINE ON HIS APPOINTMENT AS DIRECTOR AFSA, 24 JULY 1951 7/24/1951 1 47270 FOLDER 030 A65978 41790689082968 WILLIAM F. FRIEDMAN LETTER: TO C/S, TRAVEL OF DR MENZEL 4/14/1954 1 47270 FOLDER 393 A65979 41744409078360 VISIT OF SCAG MEMBERS, 24 JULY 1951 7/24/1951 1 47270 FOLDER 302 A65980 41746009078520 DISSEMINATION OF TOP SECRET CODE WORD MATERIAL 11/5/1952 3 47270 FOLDER 393 A65981 41744429078363 COVER LETTER FORWARDING REQUESTED DOCUMENTS, 21 JULY 1951 7/21/1951 1 47270 FOLDER 302 A65982 41746039078524 EMERGENCY INDOCTRINATION OF AN OFFICIAL OF THE BUREAU OF THE BUDGET 10/30/1952 3 47270 FOLDER 393 A65983 41744439078364 NOTE INDICATING "CRAMER CONJECTURE" HAS BEEN SOLVED, 20 JULY 1951 7/20/1951 1 47270 FOLDER 302 A65984 41746099078530 DISSEMINATION OF TOP SECRET CODE-WORD MATERIAL , 3 DECEMBER 1952 12/3/1952 1 47270 FOLDER 393 A65985 41744479078368 CORDIAL GREETINGS AND RETURN OF DOCUMENT RECEIPT, 16 JULY 1951 7/16/1951 2 47270 FOLDER 302 A65986 41746369078556 DISSEMINATION OF TOP SECRET CODE WORD MATERIAL, 24 NOVEMBER 1952 11/24/1952 1 47270 FOLDER 393 A65987 41744499078370 LETTER ANNOUNCING ADM STONE'S RELIEF AS DIR, AFSA CONTAINING THANKS FOR DR. WEBSTER'S CONTRIBUTIONS, 14 JULY 1951 7/14/1951 2 47270 FOLDER 302 A65988 41746419078563 MEASURES FOR INCREASED SECURITY OF COMINT, 12 NOVEMBER 1952 11/12/1952 11 47270 FOLDER 393 A65989 41744519078372 LETTER OF THANKS FOR FORWARDING OF MATERIAL TO LOS ALAMOS LAB, 7 JULY 1951 7/7/1951 1 47270 FOLDER 030 A65990 41790669082966 WILLIAM F. FRIEDMAN LETTER: TO DR S. S. WILKS, ANNOUNCES JOINT MEETING OF THREE PANELS OF THE NSASAB, INVITES PANEL MEMBER'S ATTENDANCE 4/14/1954 1 47270 FOLDER 393 A65991 41744539078374 SECOND SCAG CONFERENCE, 29 JUNE 1951 6/29/1951 2 47270 FOLDER 393 A65992 41896109093503 ADMIRAL STONE LETTER ON COMMENTS REGARDING FIRST SCAG MEETING, 28 JUNE 1951 6/28/1951 2 47270 FOLDER 030 A65993 41790759082975 WILLIAM F. FRIEDMAN LETTER: TO DR C.B. TOMPKINS, ANNOUNCES JOINT MEETING OF PANELS OF NSASAB AND INVITES ATTENDANCE OF MEMBER 4/14/1954 1 47270 FOLDER 301 A65995 41746479078568 ISSUANCE OF A CLASS A CRYPTOSYSTEM 7/12/1955 2 47270 FOLDER 030 A65996 41790769082976 IT MCDONALD MEMO TO ALL STAFF DIVISIONS AND OFFICES, TRAINING AREA AT NEW SITE NOT ANTICIPATED THAT THIS OFFICE WILL HAVE ANY REQUIREMENTS FOR TRAINING FACILITIES4/13/1954 AT THE NEW SITE 1 47270 FOLDER 030 A65997 41790729082972 WILLIAM F FRIEDMAN LETTER: TO DR A M SKELLET, ANNOUNCES JOINT MEETING OF PANELS OF NSASAB AND INVITES ATTENDANCE OF MEMBERS 4/13/1954 1 47270 FOLDER 301 A65998 41746539078573 ISSUE OF A CLASS A CRYPTOSYSTEM, 15 JULY 1955 7/15/1955 1 47270 FOLDER 030 A65999 41790789082978 WILLIAM F. FRIEDMAN LETTER: TO DR. DONALD H. MENZEL, ANNOUNCES JOINT MEETING OF THREE PANELS OF THE NSASAB AND INVITES PANEL MEMBER'S ATTENDANCE 4/13/1954 1 47270 FOLDER 301 A66000 41746579078576 ISSUE OF A CLASS A CRYPTOSYSTEM 7/7/1955 1 47270 FOLDER 030 A66001 41790999082999 WILLIAM F. FRIEDMAN LETTER: TO DR. STEWART S. CAIRNS, INFORMS DR. CAIRNS OF JOINT MEETING OF PANELS OF NSASAB ON 20-21 MAY AND INVITES HIS ATTENDANCE 4/13/1954 1 47270 FOLDER 301 A66003 41746619078581 CRYPTOGRAPHIC ASSISTANCE 6/10/1955 2 47270 FOLDER 030 A66011 41790879082987 WILLIAM F. FRIEDMAN LETTER: TO PROFESSOR DAVID P. BLACKWELL, ANNOUNCES JOINT MEETING OF THREE PANELS OF THE NSASAB AND INVITES PANEL MEMBERS ATTENDANCE 4/13/1954 1 47270 FOLDER 030 A66012 41790899082989 WILLIAM F. FRIEDMAN LETTER: ANNOUNCES JOINT MEETING OF PANELS OF NSASAB AND INVITES ATTENDANCE OF MEMBERS 4/13/1954 1 47270 FOLDER 030 A66013 41791059083004 WILLIAM F FRIEDMAN LETTER: TO MR H P CORWITH, INFORMS PANEL CHAIRMAN OF JOINT MEETING OF PANELS OF NSASAB ON 20-21 MAY AND INVITES HIS ATTENDANCE 4/13/1954 1 47270 FOLDER 030 A66014 41790909082990 WILLIAM F. FRIEDMAN LETTER: PLANNING OF PANEL ACTIVITIES 4/13/1954 1 47270 FOLDER 030 A66016 41790919082991 WILLIAM F FRIEDMAN LETTER: ANNOUNCES APPOINTMENT OF MR A B CLARK AS DD/R&D TO MEMBERS OF THE NSASAB 4/13/1954 1 47270 FOLDER 030 A66017 41791069083006 WILLIAM F FRIEDMAN LETTER: ANNOUNCES ACCEPTANCE OF BOARD MEMBERSHIP TO MEMBERS OF THE NSASAB 4/13/1954 1 47270 FOLDER 030 A66018 41791029083001 WILLIAM F FRIEDMAN LETTER: CONGRATULATIONS AS DEPUTY CITY ADMINISTRATOR FOR NEW YORK CITY 4/12/1954 1 47270 FOLDER 030 A66019 41791019083000 WILLIAM F FRIEDMAN LETTER: INVITATION TO FRIEDMAN'S HOME, WILL TALK TO HIM ABOUT THE 4-7 MAY MEETING WHEN HE COMES FOR THE 20-21 APRIL BOARD MEETING 4/12/1954 1 47270 FOLDER 030 A66020 41791039083002 WILLIAM F FRIEDMAN LETTER: TO HQC, AUTHORIZES TRANSPORTATION REQUEST 4/12/1954 1 47270 FOLDER 393 A66021 41896169093508 COMMENTS ON THE FIRST SCAG CONFERENCE, 28 JUNE 1951 6/28/1951 5

UNCLASSIFIED 100 UNCLASSIFIED

47270 FOLDER 393 A66022 41744619078382 REQUEST FOR PRESENTATION AT 2ND SCAG CONFERENCE ON THE BOMBE, 28 JUNE 1951 6/28/1951 1 47270 FOLDER 393 A66023 41744639078384 ACKNOWLEDGEMENT OF LETTER DATED JUNE 18 1951 AND ACCOMPANYING PAPERS, 20 JUNE 1951 6/20/1951 2 47270 FOLDER 393 A66024 41745009078421 RECEIPT FOR DOCUMENT SENT VON NEUMANN, 20 JUNE 1951 6/20/1951 2 47270 FOLDER 393 A66025 41745039078424 ADDRESS CORRECTION, 14 JUNE 1951 6/14/1951 1 47270 FOLDER 393 A66026 41745059078426 PERSONAL LETTER BRIEFLY DESCRIBING SCAG PROBLEM SETS, 11 JUNE 1951 6/11/1951 2 47270 FOLDER 393 A66027 41745089078429 COVER LETTER FOR FORWARDING OF PUBLICATIONS TO IBM, 9 JUNE 1951 6/9/1951 2 47270 FOLDER 393 A66028 41745119078432 NOTE INDICATING MR. DESCH (NFI) WILL BE AT 4TH JUNE MEETING, 24 MAY 1951 5/24/1951 1 47270 FOLDER 393 A66029 41745139078434 LETTERS AND MEMOS RELATED TO DR. SHANNON PARTICIPATION IN SCAG, 21 MAY 1951 5/21/1951 3 47270 FOLDER 393 A66030 41745169078437 SPECIAL CRYPTOLOGIC ADVISORY GROUP (SCAG), 8 MAY 1951 5/8/1951 1 47270 FOLDER 393 A66031 41745209078441 LETTER OF INTRODUCTION TO SCAG, 8 MAY 1951 5/8/1951 2 47270 FOLDER 393 A66032 41745239078444 CIA REQUEST FOR BELL LAB'S ASSISTANCE TO AFSA, 7 MAY 1951 5/7/1951 2 47270 FOLDER 393 A66033 41745309078451 HANDWRITTEN NOTE REGARDING NOTIFICATION OF PROPOSED SCAG MEETING, 30 APRIL 1951 4/30/1951 1 47270 FOLDER 393 A66034 41745329078453 NOTE INDICATING DESCH ACCEPTANCE OF SCAG INVITATION, 27 APRIL 1951 4/27/1951 1 47270 FOLDER 393 A66035 41745339078454 REQUEST FOR PERSONAL HISTORY STATEMENT ON JOSEPH DESCH, 20 APRIL 1951 4/20/1951 1 47270 FOLDER 393 A66036 41745379078458 HANDWRITTEN NOTE INDICATING AN INVITATION HAS BEEN SENT TO MR DESCH TO ATTEND SCAG MEETING, 14 APRIL 1951 4/14/1951 2 47270 FOLDER 393 A66037 41745399078460 LETTER OF INVITATION TO JOSEPH DESCH TO PARTICIPATE IN SCAG, 13 APRIL 1951 4/13/1951 2 47270 FOLDER 392 A66038 41745419078462 SPECIAL CRYPTOLOGIC ADVISORY GROUP, 23 FEBRUARY 1951 2/23/1951 5 47270 FOLDER 392 A66039 41745429078463 SPECIAL CRYPTOLOGIC ADVISORY GROUP, 20 MARCH 1951 3/20/1951 3 47270 FOLDER 392 A66040 41745459078466 MEETING TO DISCUSS PLANS FOR SCAG, 21 MARCH 1951 3/21/1951 1 47270 FOLDER 392 A66041 41745479078469 SCAG, 26 MARCH 1951 3/26/1951 3 47270 FOLDER 392 A66042 41745499078470 MEETING ON SCAG - 28 MARCH 1951, 29 MARCH 1951 3/29/1951 7 47270 FOLDER 392 A66043 41745519078472 ROWLETT COMMENTS ON MINUTES OF MEETING ON SCAG 28 MARCH 1951, 11 APRIL 1951 4/11/1951 2 47270 FOLDER 392 A66044 41745529078473 SCHEDULE FOR SCAG PRESENTATION, 24 APRIL 1951 4/24/1951 4 47270 FOLDER 392 A66045 41745779078498 SPECIAL CRYPTOLOGIC ADVISORY GROUP (SCAG), 27 APRIL 1951 4/27/1951 4 47270 FOLDER 392 A66046 41745819078501 SPECIAL CRYPTOLOGIC ADVISORY GROUP (SCAG), 30 APRIL 1951 4/30/1951 6 47270 FOLDER 392 A66047 41745849078504 HANDWRITTEN NOTE REGARDING FIRST SCAG MEETING, 16 MAY 1951 5/16/1951 2 47270 FOLDER 301 A66048 41746659078585 ISSUE OF A CLASS A CRYPTOSYSTEM, 21 JUNE 1955 6/21/1955 3 47270 FOLDER 392 A66049 41745879078508 SCAG CONFERENCE - 4/5 JUNE 1951, 23 MAY 1951 5/23/1951 1 47270 FOLDER 301 A66050 41746719078591 CRYPTOGRAPHIC ASSISTANCE 6/7/1955 2 47270 FOLDER 392 A66051 41745909078512 NOTES (FOR AFSA PERSONNEL) TO ACCOMPANY AGENDA FOR FIRST SCAG CONFERENCE, 1 JUNE 1951 6/1/1951 5 47270 FOLDER 392 A66052 41745949078515 SCAG CONFERENCE, 31 MAY 1951 5/31/1951 16 47270 FOLDER 301 A66053 41746779078597 CRYPTOGRAPHIC ASSISTANCE, 3 JUNE 1955 6/3/1955 3 47270 FOLDER 301 A66054 41746829078602 CRYPTOGRAPHIC ASSISTANCE, 24 MAY 1955 5/24/1955 5 47270 FOLDER 392 A66055 41745989078518 REMARKS DELIVERED BY FRIEDMAN AT FIRST SCAG CONFERENCE, 4 JUNE 1951 6/4/1951 5 47270 FOLDER 392 A66056 41746019078522 MINUTES OF SCAG SESSIONS - JUNE 4 AND 5 1951 6/5/1951 2 47270 FOLDER 301 A66057 41746929078612 PROCEDURE FOR HANDLING REQUESTS FROM FOREIGN GOVERNMENTS FOR COMMUNICATIONS SECURITY ASSISTANCE 3/28/1955 1 47270 FOLDER 392 A66058 41746229078543 CONFERENCE ON FUNCTIONS OF SCAG, 6 JUNE 1951 6/6/1951 1 47270 FOLDER 392 A66059 41746259078546 HANDWRITTEN NOTE INDICATING WEBSTER WISHES TO BE INCLUDED IN SCAG, 1 JUNE 1951 6/1/1951 1 47270 FOLDER 301 A66060 41747599078679 UK PROCEDURE FOR CLEARANCE OF COMSEC RELEASE PROPOSALS 2/10/1955 1 47270 FOLDER 392 A66061 41746279078548 HANDWRITTEN NOTE CONCERNING MARSHALL STONE'S PARTICIPATION IN SCAG, 26 JUNE 1951 6/26/1951 2 47270 FOLDER 301 A66062 41747639078683 PROCEDURE FOR LCSA/GCHQ/NSA CLEARANCE OF COMSEC RELEASE PROPOSALS 1/31/1955 1 47270 FOLDER 392 A66063 41746309078551 PERSONAL NOTES CONCERNING 2ND SCAG CONFERENCE, 9 JUNE 1951 6/9/1951 4 47270 FOLDER 392 A66064 41746339078553 2ND SCAG CONFERENCE, 21 JUNE 1951 6/21/1951 1 47270 FOLDER 392 A66065 41746359078555 SCAG PRESENTATION, 21 JUNE 1951 6/21/1951 2 47270 FOLDER 301 A66066 41747679078687 PROCEDURE FOR DEALING WITH REQUESTS FROM FOREIGN GOVERNMENTS FOR COMSEC ASSISTANCE, 13 DEC. 1954 12/13/1954 17 47270 FOLDER 392 A66067 41746389078559 2D SCAG CONFERENCE, 25 JUNE 1951 6/25/1951 1 47270 FOLDER 301 A66068 41747729078692 CRYPTOGRAPHIC ASSISTANCE, 26 OCTOBER 1954 10/26/1954 3 47270 FOLDER 392 A66070 41746429078562 2D SCAG CONFERENCE W/DRAFT AGENDA, 28 JUNE 1951 6/28/1951 7 47270 FOLDER 392 A66071 41746449078564 FRIEDMAN NOTE ON EXTRACT AGENDA FOR MAILING TO SCAG MEMBERS 6/27/1951 1 47270 FOLDER 301 A66072 41748459078764 ISSUE OF A CLASS A CRYPTOSYSTEM 10/26/1954 3

UNCLASSIFIED 101 UNCLASSIFIED

47270 FOLDER 392 A66073 41746459078566 SCAG, 19 JULY 1951 7/19/1951 2 47270 FOLDER 392 A66074 41746489078569 COMMENTS ON SCAG, 23 JULY 1951 7/23/1951 3 47270 FOLDER 392 A66075 41746519078572 AGENDA FOR THIRD SCAG CONFERENCE - 12 & 13 SEPTEMBER 1951 9/13/1951 11 47270 FOLDER 392 A66076 41746559078575 HANDWRITTEN APPROVAL OF UNSPECIFIED PAPER, 1 JANUARY 1951 1/1/1951 2 47270 FOLDER 392 A66077 41746589078577 HANDWRITTEN NOTE TO ADM WENGER REGARDING SCAG, 1 JANUARY 1951 1/1/1951 2 47270 FOLDER 392 A66078 41746609078580 SCAG MEETING OF 6 DECEMBER 1951, 1 JANUARY 1951 1/1/1951 2 47270 FOLDER 392 A66079 41746639078583 SUGGESTIONS FROM SCAG IN RE BASIC RESEARCH, 21 DECEMBER 1951 12/21/1951 6 47270 FOLDER 392 A66080 41746669078587 POSSIBLE CONTRACT FOR BASIC RESEARCH, 8 JANUARY 1952 1/8/1952 10 47270 FOLDER 392 A66081 41746709078590 MEETING ABOUT SCAG, 24 JANUARY 1952 1/24/1952 1 47270 FOLDER 392 A66082 41746749078594 DRAFT OF SCAG MEETING ANNOUNCEMENT, 1 JANUARY 1952 1/1/1952 1 47270 FOLDER 392 A66083 41746799078599 ABBREVIATED HISTORY OF SCAG - FEBRUARY 1951 - FEBRUARY 1952 1/1/1952 12 47270 FOLDER 392 A66084 41746859078605 RESCHEDULING OF 5TH SCAG CONFERENCE W/PROPOSED AGENDA 1/1/1952 4 47270 FOLDER 392 A66086 41746899078608 EXTRACTS FROM SCAG REPORT DATED 12 MARCH 1952 3/12/1952 1 47270 FOLDER 392 A66087 41746959078616 MINUTES OF 12 MARCH 1952 SCAG MEETING, 17 MARCH 1952 3/17/1952 61 47270 FOLDER 392 A66088 41747029078622 MINUTES OF THE 5TH REGULAR SCAG MEETING - 12 AND 13 MARCH 1952 1/1/1952 2 47270 FOLDER 392 A66089 41747049078624 AFSA REGULATION FORMALLY ESTABLISHING SCAG, 12 MARCH 1952 3/12/1952 2 47270 FOLDER 301 A66090 41748479078766 PROCEDURES FOR DEALING WITH REQUESTS FROM FOREIGN GOVERNMENTS FOR COMMUNICATION SECURITY ASSISTANCE, 21 OCTOBER 1954 10/21/1954 3 47270 FOLDER 392 A66091 41747069078626 PRELIMINARY REPORT (REVISED 17 MARCH 1952) OF SCAG, 12 MARCH 1952 3/12/1952 8 47270 FOLDER 392 A66092 41747099078630 DISTRIBUTION OF SCAG REPORTS - "PRELIMINARY REPORT OF SPECIAL COMMUNICATIONS ADVISORY GROUP (SCAG, DTD 12 MARCH 1952", 24 MARCH 1952 3/24/1952 1 47270 FOLDER 301 A66093 41748499078768 COMSEC ORGANIZATION IN THE U.K., 18 OCTOBER 1954 10/18/1954 2 47270 FOLDER 392 A66095 41747139078633 SCAG'S REPORT TO GENERAL CANINE, 28 MARCH 1952 3/28/1952 5 47270 FOLDER 392 A66096 41747159078635 SCAG REPORT FOR GENERAL CANINE, 16 APRIL 1952 4/16/1952 9 47270 FOLDER 301 A66097 41748519078770 PROCEDURES FOR DEALING WITH REQUESTS FROM FOREIGN GOVERNMENTS FOR COMMUNICATION SECURITY ASSISTANCE 9/17/1954 3 47270 FOLDER 392 A66098 41747179078637 EXTRACTS FROM EXECUTIVE GROUP REPORT DATED 18 APRIL 1952 4/18/1952 2 47270 FOLDER 301 A66099 41748539078772 PROCEDURES FOR DEALING WITH REQUESTS BY FOREIGN NATIONS FOR CRYPTOGRAPHIC ASSISTANCE 9/10/1954 2 47270 FOLDER 030 A66101 41790949082994 MEMO TO AG, CLARIFYING REGULATION (NOT SPECIFIED) 4/9/1953 1 47270 FOLDER 301 A66102 41748569078773 PROCEDURE FOR DEALING WITH REQUESTS BY FOREIGN NATIONS FOR CRYPTOGRAPHIC SECURITY ASSISTANCE 8/20/1954 5 47270 FOLDER 030 A66103 41790969082996 MEMO TO LOG RE FISCAL REQUIREMENTS OF NSASAB 4/7/1954 1 47270 FOLDER 301 A66104 41748599078777 PROCEDURE FOR DEALING WITH REQUESTS BY FOREIGN GOVERNMENTS FOR CRYPTOGRAPHIC SECURITY ASSISTANCE 7/1/1954 1 47270 FOLDER 030 A66106 41791079083007 WILLIAM F. FRIEDMAN MEMO TO AG, GENERAL ORDERS NUMBER 71 4/6/1954 1 47270 FOLDER 301 A66107 41748719078789 PROCEDURE FOR DEALING WITH REQUESTS FOR CRYPTOGRAPHIC ASSISTANCE FROM FRIENDLY FOREIGN GOVERNMENTS, 3 JUNE 1954 6/3/1954 2 47270 FOLDER 301 A66108 41748749078792 MEMBERSHIP OF THE AD HOC COMMITTEE ESTABLISHED AT THE 81ST USCIB MEETING 12/9/1952 1 47270 FOLDER 030 A66109 41791049083003 WILLIAM F. FRIEDMAN LETTER: TO PROFESSOR J. FORRESTER, INVITATION TO COME TO WASHINGTON ONE DAY PRIOR TO SUBCOMMITTEE MEETINGS, WHICH ARE SCHEDULED FOR 4-74/2/1954 MAY 1 47270 FOLDER 301 A66110 41748789078797 RECONSTITUTION OF USCIB, 24 NOVEMBER 1952 11/24/1952 4 47270 FOLDER 300 A66111 41748829078799 REPORT OF VISIT TO D.S.B., MELBOURNE 2/9/1953 6 47270 FOLDER 030 A66113 41791089083008 JOHN C MCPHERSON LETTER: TO MR J DESCH, BACKGROUND ON THE SUBCOMMITTEE ON GENERAL PURPOSE FLEXIBLE ANALYTICAL EQUIPMENT 4/2/1954 1 47270 FOLDER 300 A66114 41752519079169 REPORT ON VISIT TO DSB, MELBOURNE, 6 FEBRUARY 1953 2/6/1953 22 47270 FOLDER 030 A66116 41791259083025 WILLIAM F FRIEDMAN LETTER: TO MR. A. TRADUP, ACKNOWLEDGEMENT FOR ACCEPTING NOMINATION ON THE TELECOMMUNICATIONS PANEL 3/31/1954 1 47270 FOLDER 390 A66117 41747199078639 NSA LONG-RANGE ESTIMATE (NSALRE), 13 DECEMBER 1954 12/13/1954 1 47270 FOLDER 300 A66118 41753219079237 COLLABORATION BETWEEN NSA AND DSB 11/10/1954 3 47270 FOLDER 390 A66119 41747219078641 NSA REGULATION - NOMENCLATURE FOR COMMUNICATIONS SECURITY MATERIALS, 24 NOVEMBER 1954 11/24/1954 10 47270 FOLDER 030 A66120 41791319083031 WILLIAM F FRIEDMAN LETTER: TO DR T E HARRIS, ACKNOWLEDGMENT DR HARRIS ACCEPTS GEN CANINE'S INVITATION FOR MEMBERSHIP ON THE MATHEMATICS PANEL OF THE NSASAB3/31/1954 1 47270 FOLDER 390 A66121 41747239078643 COVER LETTER FORWARDING DOCUMENT DEALING WITH SIGSALY, 21 OCTOBER 1954 10/21/1954 1 47270 FOLDER 300 A66123 41753259079242 COMINT COLLABORATION WITH AUSTRALIA 8/24/1954 5 47270 FOLDER 030 A66124 41791149083014 WILLIAM F FRIEDMAN LETTER: TO DR SS CAIRNS, NOTIFICATION OF TRAVEL ORDERS BEING WRITTEN FOR TRAVEL BY CAR TO NSA 3/30/1954 1 47270 FOLDER 390 A66125 41747259078645 RETIREMENT REQUESTED BY MARK RHOADS, 1 JANUARY 1954 1/1/1954 5 47270 FOLDER 300 A66126 41753309079247 RELEASE OF INFORMATION TO DSB AUSTRALIA, 21 JULY 1954 7/21/1954 2 47270 FOLDER 390 A66128 41747279078647 MS OF TRANSLATION OF SACCO'S MANUAL OF CRYPTOGRAPHY, 26 NOVEMBER 1951--FRIEDMAN NOTES 11/26/1951 4 47270 FOLDER 030 A66129 41791239083023 WILLIAM F FRIEDMAN LETTER: TO MR JOHN R BOOTH, ACKNOWLEDGMENT (NOMINEE FOR MEMBERSHIP ON THE MATHEMATICS PANEL OF THE NSASAB ) WILL BE UNAVAILABLE FOR3/24/1954 PANEL MEMBERSHIP 1 47270 FOLDER 300 A66130 41753569079273 RELEASE OF INFORMATION TO DSB AUSTRALIA, 16 JULY 1954 7/16/1954 1

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47270 FOLDER 390 A66131 41747299078649 ADDITIONS TO THE RIVERBANK LABORATORY SERIES OF PUBLICATIONS, 5 APRIL 1951 4/5/1951 5 47270 FOLDER 030 A66133 41791219083021 WILLIAM F FRIEDMAN LETTER: TO DR ALAN T WATERMAN TO NOTIFY DR WATERMAN THAT NSA HAS MADE A TEMPORARY APPOINTMENT FOR DD.R/D (MR A B CLARK) 3/24/1954 1 47270 FOLDER 300 A66134 41753839079299 RELEASE OF INFORMATION TO DSB (AUSTRALIA), 7 JULY 1954 7/7/1954 4 47270 FOLDER 300 A66136 41753889079304 PRESS REPORTS OF AUSTRALIAN COMINT ACTIVITY 6/28/1954 2 47270 FOLDER 300 A66137 41753939079309 COMINT COLLABORATION WITH AUSTRALIA, 3 JUNE 1954 6/3/1954 2 47270 FOLDER 389 A66138 41747319078652 ASA DISCUSSION TOPICS, APRIL 1953 4/1/1953 14 47270 FOLDER 389 A66139 41747349078654 ASA DISCUSSION TOPICS, 27 MAY 1953 5/27/1953 13 47270 FOLDER 300 A66140 41753969079312 PRESS RELEASES OF AUSTRALIAN COMINT ACTIVITY, 20 APRIL 1954 4/20/1954 2 47270 FOLDER 300 A66141 41754009079316 COMINT COLLABORATION WITH AUSTRALIA, 12 APRIL 1954 4/12/1954 2 47270 FOLDER 299 A66142 41754049079320 UKUSA AIR CONFERENCE, APRIL 1955 8/5/1955 2 47270 FOLDER 299 A66144 41754089079324 UKUSA AIR CONFERENCE OF APRIL 1955 7/12/1955 1 47270 FOLDER 299 A66145 41734699077393 UKUSA AIR CONFERENCE OF APR 1955 (DOCUMENTED 10 JUNE 1955) 6/10/1955 1 47270 FOLDER 389 A66146 41747379078658 ASA REVIEW - MAY/JUNE 1947 6/1/1947 23 47270 FOLDER 030 A66149 41791189083018 WILLIAM F FRIEDMAN LETTER: TO MR A B CLARK, MR CLARK WILL ASSUME D/D R/D DUTIES WITH THE AGENCY COMMENCING 26 MARCH, HE IS INVITED TO 20-21 APR MEETING OF NSASAB3/23/1954 1 47270 FOLDER 030 A66154 41791279083027 WILLIAM F. FRIEDMAN LETTER: TO MR. ARTHUR W. HORTON JR., MR. HORTON APPRECIATION TO GEN CANINE, MR. FRIEDMAN AND ALL ASSOCIATES WHO GAVE SO FREELY OF THEIR3/18/1954 TIME AND EFFORT 1 47270 FOLDER 030 A66155 41791169083016 WILLIAM F FRIEDMAN LETTER: TO DR W R G BAKER, DR BAKER UNABLE TO ATTEND FIRST DAY OF NSASAB MEETING TO BE HELD APRIL 20-21 BECAUSE OF GE ANNUAL MEETING 3/18/1954 1 47270 FOLDER 298 A66156 41754139079329 COUNTER CLANDESTINE COMINT PLANNING, 22 APRIL 1955 4/22/1955 1 47270 FOLDER 030 A66158 41791369083036 WILLIAM F FRIEDMAN LETTER: TO MR HAROLD H BEVERAGE, MR BEVERAGE ACCEPTS GEN CANINE'S INVITATION TO BE A MEMBER OF THE TELECOMMUNICATIONS PANEL OF THE NSASAB3/16/1954 1 47270 FOLDER 389 A66159 41747409078661 ASA REVIEW JULY-AUGUST 1947 8/1/1947 29 47270 FOLDER 389 A66161 41747439078663 ASA REVIEW MAY-JUNE 1950 7/1/1950 29 47270 FOLDER 298 A66162 41754169079332 COUNTER CLANDESTINE COMINT, 8 JULY 1955 7/8/1955 6 47270 FOLDER 298 A66164 41754209079336 COUNTER - CLANDESTINE COMINT PLANNING, 10 MAY 1955 5/10/1955 1 47270 FOLDER 298 A66166 41754269079342 COUNTER--CLANDESTINE COMINT PLANNING, 26 APRIL 1955 4/26/1955 1 47270 FOLDER 298 A66168 41754309079346 COUNTER - -CLANDESTINE COMINT PLANNING, 18 APRIL 1955 4/18/1955 5 47270 FOLDER 298 A66169 41754329079349 PLANNING FOR COUNTER-CLANDESTINE COMINT COVERAGE IN TIME OF EMERGENCY 12/2/1954 2 47270 FOLDER 298 A66171 41789369082837 PLANNING FOR COUNTER - - CLANDESTINE COMINT COVERAGE IN TIME OF EMERGENCY, 12 OCTOBER 1954 10/12/1954 6 47270 FOLDER 297 A66172 41754369079352 ADDRESS DELIVERED BY COLONEL J.J. DAVIS TO NSASAB, CONCERNING RECENT DEVELOPMENTS IN ORGANIZING ELINT FOR MORE EFFECTIVE CONTROL 4/21/1954 3 47270 FOLDER 297 A66173 41754429079359 DEPARTMENT OF DEFENSE SURVEY OF ELINT ACTIVITIES 11/12/1953 15 47270 FOLDER 030 A66175 41791389083038 WILLIAM F FRIEDMAN LETTER: TO DR KULLBACK, DR SINKOV, COL HERRELFO, DR CAMPAIGNE, DR LEIBLER, COL MARCY, REQUEST FOR AGENDA ITEMS FOR NSASAB MEETING EXECUTIVE3/16/1954 SUMMARY 1 47270 FOLDER 030 A66176 41791339083033 WILLIAM F FRIEDMAN LETTER: TO DR S S CAIRNS, INFORMING DR CAIRNS, THE CHAIRMAN OF THE 3 PANELS BEING NOTIFIED OF THE STATUS OF THEIR RESPECTIVE PANEL MEMBERS 3/9/1954 1 47270 FOLDER 297 A66177 41754479079363 IMPLEMENTATION OF NSCID NO. 17 6/22/1955 1 47270 FOLDER 030 A66178 41791969083095 WILLIAM F FRIEDMAN LETTER: TO DR S S CAIRNS, PROF FORRESTER ACCEPTS INVITATION IN THE WORK OF MR MCPHERSON'S SPECIAL PANEL OF NSASAB 3/9/1954 1 47270 FOLDER 388 A66179 41747469078665 HANDWRITTEN NOTES APPARENTLY TAKEN DURING AN UNSPECIFIED MEETING, 1 JANUARY 1954 1/1/1954 3 47270 FOLDER 030 A66181 41791299083029 WILLIAM F FRIEDMAN LETTER: TO MR H P CORWITH, INFORMING MR CORWITH (CHM TELECOMM.PANEL ) THE STATUS OF HIS PANEL MEMBERS 3/9/1954 2 47270 FOLDER 388 A66182 41747479078667 HANDWRITTEN NOTE AND DRAFT MEMO PERTAINING TO A MR. MILLER (NFI), 7 JUNE 1954 6/25/1954 3 47270 FOLDER 297 A66183 41754519079367 REORGANIZATION OF USCIB TO ACCOMMODATE ELINT 6/1/1955 8 47270 FOLDER 030 A66185 41791449083044 WILLIAM F FRIEDMAN LETTER: TO MR JOHN C MCPHERSON, PROF HILL UNABLE TO PARTICIPATE IN PANEL AFFAIRS AT THIS TIME 3/9/1954 1 47270 FOLDER 297 A66186 41754559079371 EXTENSION OF USCIB AUTHORITY TO INCLUDE ELINT 4/13/1954 1 47270 FOLDER 388 A66187 41747499078669 ARMY REGULATION - TRANSPORTATION AND TRAVEL, 23 JANUARY 1951 1/23/1951 3 47270 FOLDER 030 A66188 41791429083042 WILLIAM F FRIEDMAN LETTER: TO MR JOHN C MCPHERSON, INFORMING MR MCPHERSON AS TO THE STATUS OF HIS PANEL MEMBERS 3/9/1954 1 47270 FOLDER 297 A66190 41754589079374 INCREASE IN SCOPE OF USCIB AUTHORITY (ELINT), 12 APRIL 1954 4/12/1954 1 47270 FOLDER 388 A66191 41747519078671 UNOFFICIAL LIST OF R/D WAE'S, 1 JANUARY 1954 1/1/1954 1 47270 FOLDER 030 A66192 41791759083074 WILLIAM F FRIEDMAN LETTER: TO DR W R G BAKER, THANKING DR BAKER FOR HIS NOMINATION (MR JEFFRIES) AS DD R/D, AND INFORMING HIM THAT MR A B CLARK IS BEING CONSIDERED3/9/1954 1 47270 FOLDER 297 A66193 41754639079379 INCREASE IN SCOPE OF USCIB AUTHORITY FOR (ELINT) - 102ND USCIB MEETING 4/12/1954 3 47270 FOLDER 388 A66194 41747529078673 R/D CONSULTANT ROSTER FOR FY 1954, 1 APRIL 1954 4/1/1954 4 47270 FOLDER 388 A66195 41747549078674 DRAFT MEMO TO CHIEFS OF STAFF DIVISIONS AND OFFICERS CONCERNING CONSULTANT MATTERS, 19 OCTOBER 1954 10/19/1954 3 47270 FOLDER 388 A66196 41747569078676 RESPONSIBILITY FOR ORIGINATION OF TRAVEL ORDERS FOR CONSULTANTS, EXPERTS AND ADVISORS, 20 OCTOBER 1954 10/23/1954 1 47270 FOLDER 030 A66197 41791769083075 W R G BAKER LETTER TO WILLIAM F FRIEDMAN, COMMENTS ON THE POSITION OF DEPUTY DIRECTOR FOR RESEARCH AND DEVELOPMENT WHICH APPEARS TO BE VACANT 2/17/1954 1 47270 FOLDER 388 A66198 41747589078678 FUNDS FOR SALARIES OF NSA CONSULTANTS, 30 JULY 1954 7/30/1954 1 47270 FOLDER 030 A66199 41791409083040 RALPH J CANINE LETTER: TO MR HAROLD H BEVERAGE, INVITATION FOR MEMBERSHIP ON THE TELECOMMUNICATIONS PANEL OF THE NSASAB, MR BEVERAGE WAS NOMINATED 3/5/1954 1

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47270 FOLDER 388 A66200 41747619078681 NSA REGULATION - NSA REGISTRY FOR CONSULTANTS, 12 JULY 1954 7/12/1954 5 47270 FOLDER 388 A66201 41747629078682 NSA REGULATION - CERTIFICATION OF NONAFFILIATION WITH CERTAIN ORGANIZATIONS, 10 JUNE 1954 6/10/1954 5 47270 FOLDER 388 A66202 41747659078685 PERSONNEL DIVISION INSTRUCTION NO. 5-54, 28 JUNE 1954 6/28/1954 1 47270 FOLDER 388 A66203 41747689078689 ESTABLISHMENT OF NSA REGISTRY FOR CONSULTANTS, 10 JUNE 1954 6/10/1954 44 47270 FOLDER 388 A66204 41747719078691 NSA REGULATION - NSA SCIENTIFIC ADVISORY BOARD, 26 JANUARY 1954 1/26/1954 4 47270 FOLDER 388 A66205 41747739078693 PANELS OF THE NSA SCIENTIFIC ADVISORY BOARD, 9 APRIL 1954 4/9/1954 2 47270 FOLDER 388 A66206 41747759078695 DRAFT NSA REGULATION - NSA REGISTRY FOR CONSULTANTS, 29 APRIL 1954 4/29/1954 14 47270 FOLDER 187 A66207 41753799079295 ELECTRICAL MESSAGE INFORMING FRIEDMAN NSAEUR IS FORWARDING REQUESTED DOCUMENT, 27 AUGUST 1954 8/27/1954 1 47270 FOLDER 187 A66208 41753859079301 REQUEST FOR COPY OF BRIEF, 26 AUGUST 1954 8/26/1954 1 47270 FOLDER 030 A66218 41791469083046 WILLIAM F FRIEDMAN LETTER: TO DR JOHN VON NEUMANN, CONFIRMATION OF TELEPHONE CALL OF 4 MARCH 1954 WITH DR VON NEUMANN 3/4/1954 2 47270 FOLDER 030 A66226 41793599083258 WILLIAM F. FRIEDMAN LETTER: TO DR. THOMPSON, DR. THOMPSON WILL BE UNABLE TO ACCEPT THE DIRECTOR'S INVITATION OF MEMBERSHIP ON THE ELECTRONICS PANEL OF THE NSASAB3/4/1954 1 47270 FOLDER 030 A66227 41791779083076 WILLIAM F FRIEDMAN LETTER: TO MR ARNOLD DUMEY, ACCEPTING GEN. CANINE'S INVITATION OF MEMBERSHIP ON THE ELECTRONICS PANEL ON THE NSASAB 3/4/1954 1 47270 FOLDER 030 A66230 41791789083077 WILLIAM F FRIEDMAN LETTER: TO DR JAMES F KOEHLER, ACKNOWLEDGMENT DR KOEHLER ACCEPTS GEN. CANINE'S INVITATION FOR MEMBERSHIP ON THE TELECOMMUNICATIONS PANEL3/4/1954 OF THE NSASAB 1 47270 FOLDER 030 A66231 41791819083079 WILLIAM F FRIEDMAN LETTER: TO DR J W MCRAE, DR MCRAE WILL BE UNABLE TO ACCEPT THE DIRECTORS INVITATION OF MEMBERSHIP ON THE TELECOMMUNICATIONS PANEL OF THE3/4/1954 NSASAB 1 47270 FOLDER 030 A66235 41791949083093 J. W. MCRAE LETTER TO LIEUTENANT GENERAL R. J. CANINE, DECLINES THE INVITATION TO SERVE ON THE TELECOMMUNICATIONS PANEL OF THE NATIONAL SECURITY AGENCY SCIENTIFIC2/25/1954 ADVISORY BOARD 1 47270 FOLDER 030 A66237 41791899083088 RALPH J CANINE LETTER: TO DR ARTHUR SAMUEL, INVITATION FOR MEMBERSHIP ON THE ELECTRONICS PANEL OF THE NSASAB 3/13/1954 1 47270 FOLDER 030 A66240 41793129083211 MM KELERSKI LETTER TO DR ROBERT D RICHTMYER, ACKNOWLEDGMENT OF DR R D RICHTMYER UNABLE TO ACCEPT DIRECTOR'S INVITATION FOR MEMBERSHIP ON TELECOMMUNICATIONS3/1/1954 PANEL OF THE NSASAB1 47270 FOLDER 030 A66242 41791839083082 WILLIAM F FRIEDMAN LETTER: TO DR JOHN VON NEUMANN, INVITATION TO JOIN SPECIAL COMMITTEE OF ELECTRONICS PANEL/NSASAB 3/1/1954 1 47270 FOLDER 030 A66245 41792029083101 WILLIAM F FRIEDMAN LETTER: TO DR A GLEASON, DR GLEASON ACCEPTS GEN CANINE'S INVITATION TO BE A MEMBER OF THE MATHEMATICS PANEL OF THE NSASAB 3/1/1954 1 47270 FOLDER 030 A66264 41791929083091 WILLIAM F FRIEDMAN LETTER: TO DR S S CAIRNS, TALKS ABOUT MR MCPHERSON'S SPECIAL STUDY 3/1/1954 1 47270 FOLDER 030 A66266 41791959083094 WILLIAM F FRIEDMAN LETTER: TO MR JOHN C MCPHERSON, REQUEST FOR MR MCPHERSON'S OPINION ON FURTHER APPROACH TO A G HILL FOR PANEL MEMBERSHIP OF THE NSASAB2/26/1954 1 47270 FOLDER 030 A66269 41791919083090 RALPH J CANINE LETTER: TO PROFESSOR SAUNDERS MACLANE, PROF MACLANE ACCEPTS GEN. CANINE'S INVITATION FOR MEMBERSHIP ON THE MATHEMATICS PANEL OF THE NSASAB2/23/1954 1 47270 FOLDER 030 A66272 41792049083103 RALPH J CANINE LETTER: TO MR A W HORTON, JR, MR HORTON ACCEPTS GEN. CANINE INVITATION FOR MEMBERSHIP ON THE NSASAB 2/23/1954 1 47270 FOLDER 030 A66274 41792249083123 WILLIAM F FRIEDMAN LETTER: TO MR ROBERT E MILLER, ACKNOWLEDGMENT OF MR MILLER ACCEPTING GEN CANINE'S INVITATION TO BE A MEMBER ON THE TELECOMMUNICATIONS2/23/1954 PANEL OF THE NSASAB1 47270 FOLDER 030 A66275 41792699083168 WILLIAM F FRIEDMAN LETTER: TO DR JAN A RAJCHMAN, ACKNOWLEDGMENT OF DR RAJCHMAN DECLINING NOMINATION TO THE ELECTRONICS PANEL OF THE NSASAB 2/23/1954 1 47270 FOLDER 030 A66277 41792069083105 WILLIAM F FRIEDMAN LETTER: TO COLONEL ROBERT W GRIFFIN, USAF, ACKNOWLEDGMENT OF INFORMAL REQUEST FOR MR FRIEDMAN TO LECTURE AT MAXWELL AFB, ALA 2/19/1954 1 47270 FOLDER 030 A66280 41792009083099 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR A H CLIFFORD, ACKNOWLEDGMENT OF PROF CLIFFORD DECLINING NOMINATION THE MATHEMATICS PANEL OF THE NSASAB 2/23/1954 1 47270 FOLDER 030 A66281 41792269083125 RALPH J CANINE LETTER: TO PROFESSOR JAY W. FORRESTER, ACKNOWLEDGMENT OF PROF FORRESTER ACCEPTANCE OF GEN. CANINE'S INVITATION TO BE A MEMBER OF THE ELECTRONICS2/18/1954 PANEL OF THE NSASAB1 47270 FOLDER 030 A66289 41791999083098 WILLIAM F FRIEDMAN LETTER: TO DR S S CAIRNS, HAVE RECEIVED ACCEPTING LETTERS BY THE DIR TO JOIN THE PANEL MEMBERSHIP FROM ALL FIVE MEN PROPOSED FOR THE SPECIAL2/17/1954 STUDY UNDER MR MCPHERSON1 47270 FOLDER 030 A66291 41792589083157 STEWART S CAIRNS LETTER TO PROFESSOR JAY W FORRESTER, ASKS WHEN HE WILL BE AVAILABLE TO TAKE PART IN THE MCPHERSON STUDY 2/17/1954 1 47270 FOLDER 030 A66292 41792299083127 STEWART S CAIRNS LETTER TO MR JOHN H HOWARD, ASKS WHEN HE WILL BE ABLE TO TAKE PART IN THE MCPHERSON STUDY 2/17/1954 1 47270 FOLDER 030 A66294 41792199083118 WILLIAM F FRIEDMAN LETTER: TO MR V B VON SONN, ACKNOWLEDGMENT OF RECEIPT OF RAND RESEARCH MEMORANDUM FROM THE RAND CORPORATION 2/16/1954 1 47270 FOLDER 030 A66297 41792229083121 RALPH J CANINE LETTER: TO DR CLAUDE SHANNON, ACKNOWLEDGMENT DR SHANNON ACCEPTS GEN. CANINE'S INVITATION FOR MEMBERSHIP ON THE MATHEMATICS PANEL OF THE2/17/1954 NSASAB 1 47270 FOLDER 030 A66299 41792169083115 WILLIAM F FRIEDMAN LETTER: TO DR JOHN VON NEUMANN, THANKS FOR ACCEPTING ADDITIONAL WORK WITH THE SELECTION OF SOMEBODY TO HEAD UP OUR RESEARCH AND DEVELOPMENT2/18/1954 ACTIVITIES 1 47270 FOLDER 030 A66301 41792109083110 WILLIAM F FRIEDMAN LETTER: TO MR DONALD A QUARLES, INVITATION TO 20-21 APRIL 1954 NSASAB MEETING 2/12/1954 1 47270 FOLDER 030 A66302 41792309083129 RALPH J CANINE LETTER: TO DR JAMES S KOEHLER, DR KOEHLER TO FILL OUT PHS AND FINGERPRINTS FOR CLEARANCE PURPOSES 2/12/1954 2 47270 FOLDER 030 A66303 41792149083113 WILLIAM F FRIEDMAN LETTER: TO MR JOHN C MCPHERSON, INVITATION TO 20-21 APRIL 1954 NSASAB MEETING 2/12/1954 1 47270 FOLDER 030 A66304 41792529083151 WILLIAM F FRIEDMAN LETTER: TO DR WALTER R G BAKER, REPORT ON THE STATE OF NSASAB'S SEARCH FOR DD/R&D LISTING SEVERAL NOMINEES CONTACTED WITH NEGATIVE RESULTS2/11/1954 SOLICITING ADDITIONAL3 SUGGESTIONS AND OPINIONS FROM NSASAB MEMBERS ON A NEW LIST OF NOMINEE 47270 FOLDER 030 A66305 41792339083132 RALPH J CANINE LETTER: TO REAR ADMIRAL S C HOOPER USN (RET), ACKNOWLEDGMENT OF RADM HOOPERS ACCEPTANCE TO BE A MEMBER OF THE NSASAB'S TELECOMMUNICATIONS2/10/1954 PANEL 1 47270 FOLDER 015 A66323 41697979073734 WILLIAM F. FRIEDMAN OFFICE RECORDS (1943-1955); NSA NEWSLETTER, TRAVEL ORDERS, TRAVEL VOUCHERS, NOTIFICATIONS OF PERSONNEL ACTION, LETTERS, MEMORANDUMS 11/30/1955 240 47270 FOLDER 014 A66325 41698069073745 WILLIAM F. FRIEDMAN OFFICE RECORDS (1938-1942); TRAVEL ORDERS, TRAVEL VOUCHERS, NOTIFICATIONS OF PERSONNEL ACTION, LETTERS, MEMORANDUMS 12/31/1942 370 47270 FOLDER 030 A66327 41792379083136 RALPH J CANINE LETTER: TO MR A W HORTON, JR, MR HORTON ASKED TO BE A MEMBER OF THE NSASAB AFTER A CLEARANCE OBTAINED 2/10/1954 2 47270 FOLDER 013 A66329 41698219073762 WILLIAM F. FRIEDMAN OFFICE RECORDS (1919-1937); TRAVEL ORDERS, TRAVEL VOUCHERS, NOTIFICATIONS OF PERSONNEL ACTION, LETTERS, MEMORANDUMS 12/31/1937 554 47270 FOLDER 030 A66330 41792599083158 RALPH J CANINE LETTER: TO DR A MELVIN SKELLETT, ACKNOWLEDGMENT OF DR SKELLETT ACCEPTANCE GEN CANINE'S INVITATION FOR MEMBERSHIP ON THE ELECTRONICS PANEL OF2/10/1954 THE NSASAB 1 47270 FOLDER 030 A66332 41792349083133 RALPH J CANINE LETTER: TO MR W C TINUS, ACKNOWLEDGMENT MR TINUS WILL BE UNABLE TO ACCEPT THE DIRECTOR'S INVITATION OF MEMBERSHIP ON THE TELECOMMUNICATIONS2/10/1954 PANEL OF NSASAB 1 47270 FOLDER 030 A66333 41792389083137 RALPH J CANINE LETTER: TO DR C B TOMPKINS, ACKNOWLEDGMENT OF DR TOMPKINS ACCEPTANCE OF THE INVITATION TO BE A MEMBER OF THE MATHEMATICS PANEL OF THE NSASAB2/10/1954 1 47270 FOLDER 012 A66334 41698429073777 FINAL REPORT OF THE RADIO INTELLIGENCE SECTION, GENERAL STAFF, GENERAL HEADQUARTERS, AMERICAN EXPEDITIONARY FORCES 4/30/1959 57 47270 FOLDER 030 A66335 41792469083145 RALPH J CANINE LETTER: TO DR JULIUS STRATTON, DR STRATTON WILL BE UNABLE TO ACCEPT THE DIRECTOR'S INVITATION OF MEMBERSHIP ON THE ELECTRONICS PANEL, OF NSASAB2/10/1954 1 47270 FOLDER 030 A66337 41792449083143 RALPH J CANINE LETTER: TO DR RALPH K POTTER, UNABLE TO ACCEPT THE DIRECTOR'S INVITATION OF MEMBERSHIP ON THE TELECOMMUNICATIONS PANEL 2/10/1954 1 47270 FOLDER 030 A66339 41788559082756 RECEIPT OF LETTER FROM RALPH K POTTER TO DIR RALPH J. CANINE 1/21/1954 1

UNCLASSIFIED 104 UNCLASSIFIED

47270 FOLDER 030 A66340 41788579082758 NSA REGULATION NUMBER 11-3: NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY BOARD 1/22/1953 5 47270 FOLDER 164 A66345 41744489078369 FRIEDMAN LECTURE INTRO RE CRYPTOGRAPHY 1/13/1947 4 47270 FOLDER 030 A66347 41788599082760 WILLIAM F FRIEDMAN LETTER: TO DR W R G BAKER, ACKNOWLEDGMENT OF DR BAKER'S ACCEPTANCE OF THE DIRECTOR'S INVITATION TO BE A MEMBER OF NSASAB'S ELECTRONICS 2/10/1954PANEL 1 47270 FOLDER 164 A66348 41744529078373 NSA LECTURE AND POLICY STATEMENT; OCT 1954; DRAFT COPY OF LECTURE TO BE GIVEN BY CAPTAIN HOLTWICK, USN, SPECIAL ASSISTANT, ON 17 NOV 1954 AT THE ARMED FORCES10/26/1954 STAFF COLLEGE, NORFOLK,17 VIRGINIA 47270 FOLDER 030 A66349 41788609082761 RALPH J CANINE LETTER: TO JOHN C MCPHERSON, CHAIRMAN OF THE ELECTRONICS PANEL OF THE NSASAB, FORWARDING OF A LIST OF NAMES AND ADDRESSES OF PANEL NOMINEES2/9/1954 2 47270 FOLDER 030 A66353 41788629082763 WILLIAM F FRIEDMAN LETTER: TO DR A A ALBERT, ACKNOWLEDGMENT OF DR ALBERT'S ACCEPTANCE OF THE DIRECTOR'S INVITATION TO BE A MEMBER OF THE NSASAB'S MATHEMATICS2/9/1954 PANEL 1 47270 FOLDER 164 A66357 41744579078378 SYNOPSIS OF A COURSE OF THREE LECTURES ON CODES AND CIPHERS, GIVEN TO ROTC STUDENTS, CAMP VAIL, N.J., JULY 6-8, 1921, BY W.F. FRIEDMAN 7/11/1921 3 47270 FOLDER 164 A66359 41744349078355 NEWS ARTICLE RE FRIEDMAN TALK AT MONTHLY MEETING OF THE TEMPLE BROTHERHOOD IN WASHINGTON, D.C. AND UNINTELLIGIBLE PERSONAL LETTER 11/22/1929 2 47270 FOLDER 164 A66361 41744609078381 NOTICE FOR TALK TITLED "EVENTS IN THE DAILY LIFE OF A CRYPTANALYST" TO BE GIVEN BY W.F. FRIEDMAN ON OCT 14 AT THE REGULAR MEETING OF THE TECHNICAL CLUB OF MADISON10/1/1929 1 47270 FOLDER 164 A66363 41744679078388 RESOLUTION ADOPTED AT THE SIXTH ANNUAL CONVENTION OF THE WISCONSIN DEPARTMENT, RESERVE OFFICERS ASSOCIATION OF THE U.S.; APPRECIATION EXPRESSED FOR ADDRESSES10/24/1929 AT THE CONVENTION2 47270 FOLDER 030 A66365 41788639082764 S S CAIRNS LETTER: TO MR S W DUNWELL, INVITATION TO MR DUNWELL TO JOIN A GROUP UNDER THE CHAIRMANSHIP OF MR MCPHERSON (ELECTRONICS PANEL, NSASAB, CHAIRMAN)2/5/1954 TO STUDY CERTAIN TYPES1 OF GENERAL PURPOSE FLEXIBLE ANALYTIC EQUIPMENT 47270 FOLDER 030 A66367 41788649082765 S S CAIRNS LETTER, TO DR CLAUDE SHANNON, INVITATION TO DR SHANNON TO JOIN A GROUP UNDER THE CHAIRMANSHIP OF MR J C MCPHERSON (ELECTRONIC PANEL, NSASAB, CHAIRMAN)2/5/1954 TO STUDY CERTAIN1 TYPES OF GENERAL PURPOSE FLEXIBLE ANALYTIC EQUIPMENT 47270 FOLDER 164 A66368 41744299078350 ANNOUNCEMENT, BULLETIN AND LETTER OF THANKS FROM THE UNIVERSITY CLUB OF WASHINGTON FOR A LECTURE GIVEN BY W.F. FRIEDMAN ON NOV 5, 1931 11/9/1931 7 47270 FOLDER 164 A66370 41744659078386 THANKS FOR LECTURE DELIVERED BY MAJOR FRIEDMAN TO THE COAST GUARD ACADEMY ON DEC 16, 1927 12/27/1927 1 47270 FOLDER 030 A66371 41788659082766 WILLIAM F FRIEDMAN LETTER: TO MR J Z MILLAR, ACKNOWLEDGMENT OF MR MILLAR'S ACCEPTANCE OF THE DIRECTOR'S INVITATION TO BE A MEMBER OF THE NSASAB'S TELECOMMUNICATIONS2/3/1954 PANEL 1 47270 FOLDER 030 A66373 41788669082767 RALPH J CANINE LETTER: TO MR ROBERT E MILLER, INVITATION TO MR MILLER TO SERVE ON THE TELECOMMUNICATIONS PANEL OF THE NSASAB 2/3/1954 1 47270 FOLDER 030 A66375 41788689082769 RALPH J CANINE LETTER: TO MR JOHN COOMBS, INVITATION FOR MEMBERSHIP ON THE ELECTRONICS PANEL OF THE NSASAB, MR. COOMBS (AND BELOW LISTED NOMINEES) WAS NOMINATED2/1/1954 FOR MEMBERSHIP2 AT THE 15-16 OCT BOARD MEETING 47270 FOLDER 164 A66378 41744329078353 LETTER FROM FRIEDMAN EXPRESSING THANKS TO THE SUPT. OF THE U.S. COAST GUARD 1/7/1928 1 47270 FOLDER 164 A66380 41744629078383 LETTER FROM COMMANDER HINCKLEY, U.S.C.G., TO MAJOR FRIEDMAN CONFIRMING PAYMENT OF TRAVEL EXPENSES TO COAST GUARD ACADEMY 12/22/1927 1 47270 FOLDER 164 A66383 41744739078394 LETTER TO MAJOR FRIEDMAN ACKNOWLEDGING DEC 16, 1927 AS THE DATE OF HIS LECTURE BEFORE OFFICERS AND CADETS OF THE U.S. COAST GUARD ACADEMY 11/9/1927 1 47270 FOLDER 030 A66384 41788699082770 RALPH J CANINE LETTER: TO DR L T E THOMPSON, INVITATION TO MEMBERSHIP ON NSASAB'S ELECTRONICS PANEL 2/1/1954 1 47270 FOLDER 164 A66386 41744829078403 REQUEST BY MAJ. FRIEDMAN ON WHETHER THERE WAS AN OBJECTION TO HIS LECTURING AND REQUEST FOR MAJ. FRIEDMAN TO LECTURE OFFICERS AND CADETS OF THE U.S. COAST10/26/1927 GUARD ACADEMY BEGINNING2 NOV 4, 1927 47270 FOLDER 030 A66387 41788719082772 RALPH J CANINE LETTER: TO DR J W MCRAE, INVITATION FOR MEMBERSHIP TO NSASAB'S TELECOMMUNICATIONS PANEL, DR MCRAE AND GEN RIVES NOMINATED FOR MEMBERSHIP AT2/1/1954 THE 15-16 OCT BOARD2 MEETING 47270 FOLDER 164 A66388 41744549078375 LETTER FROM MR. MEALS TO SUPERINTENDANT U.S. COAST GUARD ACADEMY SUGGESTING THAT MAJ. FRIEDMAN DELIVER LECTURE IN HIS STEAD ON DEC 16, 1927 11/1/1927 1 47270 FOLDER 030 A66389 41788729082773 I T MCDONALD LETTER: TO DR H P ROBERTSON, THANKS FOR OFFER TO ASSIST IN THE PERSONNEL PROBLEM IN NEW YORK 1/25/1954 1 47270 FOLDER 164 A66391 41744849078405 LETTER TO CAPT. FRIEDMAN FROM D.J. FRIEDALL, NAVY DEPARTMENT, REQUESTING THAT HE PRESENT A LECTURE ON "CRYPTANALYSIS" TO OFFICERS TAKING THE POST GRADUATE COMMUNICATIONS10/1/1925 COURSE4 47270 FOLDER 163 A66394 41744869078407 CONTRIBUTION OF SIGNAL INTELLIGENCE TOWARD VICTORY IN WORLD WAR II AND ITS RELATIVELY SMALL COST 1/1/1947 5 47270 FOLDER 030 A66395 41788749082775 WILLIAM F FRIEDMAN MEMO: SHIPMENT OF EQUIPMENT TO BORIS C W HAGELIN; SHIPPING REQUEST 1/21/1954 1 47270 FOLDER 163 A66399 41744769078397 OUTLINE OF PRESENTATION BY MR. FRIEDMAN AT THE SECOND ANNUAL COMMUNICATIONS SECURITY OFFICERS' CONFERENCE TO BE HELD AT BROOKS AFB, 3-7 MAR 1952 3/1/1952 1 47270 FOLDER 163 A66401 41744779078398 LIST OF ARTICLES BELONGING TO MR. WILLIAM F. FRIEDMAN WHICH WERE SENT TO BROOKS AIR FORCE BASE, 3 MARCH 1952 3/3/1952 1 47270 FOLDER 163 A66402 41744379078361 COMMUNICATIONS INTELLIGENCE - A PRESENTATION BY MR. WILLIAM F. FRIEDMAN TO THE FACULTY AND STUDENTS OF CLASS 50-B, AIR COMMUNICATION & ELECTRONIC STAFF OFFICERS'1/30/1951 COURSE, ON 29 SEPT88 1950 47270 FOLDER 393 A66403 41747779078697 ACKNOWLEDGE RECEIPT OF DOCUMENTS, 23 APRIL 1952 4/23/1952 1 47270 FOLDER 393 A66404 41747789078698 RECEIPT OF FOUR DOCUMENTS ACKNOWLEDGED, 23 APRIL 1952 4/21/1952 1 47270 FOLDER 163 A66405 41744749078395 COMMUNICATIONS INTELLIGENCE - OUTLINE OF PRESENTATION BY MR. WILLIAM F. FRIEDMAN AT THE SECOND ANNUAL COMMUNICATIONS SECURITY OFFICERS' CONFERENCE AT BROOKS1/1/1952 AIR FORCE BASE, 103-7 MARCH 1952 47270 FOLDER 393 A66406 41747809078700 COVER LETTER FORWARDING REQUESTED PUBLICATIONS, 18 SEPTEMBER 1951 9/18/1951 1 47270 FOLDER 393 A66407 41747829078702 PERSONAL LETTER TO FRIEDMAN FROM ROBERTSON REGARDING RECENT UNSPECIFIED MEETINGS 9/17/1951 1 47270 FOLDER 392 A66408 41747839078703 TEXT OF OPENING REMARKS GIVEN TO DIR, AFSA AT THE FIRST CONFERENCE OF SCAG, 4 JUNE 1951 6/4/1951 12 47270 FOLDER 392 A66409 41747849078704 COMMENTS BY MR. JOHN H. HOWARD ON THE FIRST SCAG CONFERENCE, 16 JULY 1951 7/16/1951 15 47270 FOLDER 388 A66410 41747859078705 CONSULTANT AFFAIRS, 30 APRIL 1954 4/30/1954 3 47270 FOLDER 379 A66411 41896199093511 PERSONNEL CLEARANCE FILE - LETTERS L THRU Z FOR 1952 - 1954 12/31/1954 121 47270 FOLDER 378 A66414 41896239093516 PERSONNEL SECURITY CLEARANCE FILE - LETTERS A THRU K, 1952 - 1954 12/31/1954 149 47270 FOLDER 377 A66416 41753479079264 STATE DEPARTMENT PROPOSED PUBLICATION OF UNCLASSIFIED DOCUMENTARY HISTORY OF WORLD WAR II CONFERENCES, 7 JANUARY 1955 1/7/1955 6 47270 FOLDER 163 A66417 41744879078409 COMMUNICATIONS INTELLIGENCE - A PRESENTATION BY MR. W.F. FRIEDMAN TO THE FACULTY AND STUDENTS OF CLASS 50-B, AIR COMMUNICATION & ELECTRONIC STAFF OFFICERS'1/1/1951 COURSE AT MAXWELL AIR35 FORCE BASE, 29 SEP 1950 - SECOND CARBON OF REVISED LECTURE 47270 FOLDER 163 A66419 41744799078400 EXTRACTS FROM THE RECOMMENDATIONS OF THE JOINT COMMITTEE ON THE INVESTIGATION OF THE PEARL HARBOR ATTACK 1/1/1950 2 47270 FOLDER 377 A66421 41753509079267 COVER LETTER ACCOMPANYING COPY OF UNSPECIFIED TELETYPE MESSAGE FROM NSA LIAISON OFFICER AT THE PENTAGON, 2 DECEMBER 1954 12/2/1954 7 47270 FOLDER 377 A66422 41753539079270 TELETYPE MESSAGE FROM NSA LIAISON GROUP, PENTAGON, 10 DECEMBER 1954; MEMO FOR COLONEL DAVIS: WORLD WAR II HISTORY 12/10/1954 2 47270 FOLDER 162 A66426 41744719078392 LIST OF SLIDES USED WITH LECTURE ON COMMUNICATION INTELLIGENCE (REVISED FOR LECTURE AT MAXWELL AIR FORCE BASE, 3 OCT 1951 10/3/1951 3 47270 FOLDER 030 A66427 41788759082776 WILLIAM F FRIEDMAN LETTER: TO DR S S WILKS, DR WILKS ASKED ABOUT THE POSSIBILITY OF VISITING GCHQ, THE LATTER PART OF AUG 1/20/1954 1 47270 FOLDER 377 A66428 41753559079272 HANDWRITTEN NOTES RE INVESTIGATING NEWS MAGAZINE REPORT OF WIRE-TAPPING DEVICE 12/26/1950 5 47270 FOLDER 162 A66429 41744809078401 LETTER OF APPRECIATION FOR MR. FRIEDMAN'S PRESENTATION ON COMMUNICATIONS INTELLIGENCE TO STUDENTS OF THE USAF COMMUNICATIONS-ELECTRONICS STAFF OFFICER4/10/1954 COURSE 1

UNCLASSIFIED 105 UNCLASSIFIED

47270 FOLDER 377 A66430 41753589079275 POSSIBLE COMPROMISE OF COMINT INFORMATION, 3 JUNE 1954 6/3/1954 1 47270 FOLDER 030 A66432 41788769082777 WILLIAM F FRIEDMAN LETTER: TO MAJOR GENERAL F L ANKENBRANDT, REPLY TO REQUEST FOR NSA SET UP OF A TAPE-PRODUCTION UNIT IN THE U K 1/14/1954 1 47270 FOLDER 162 A66433 41744899078410 LETTER OF GRATITUDE FROM DEPUTY CHIEF, AIR COMMAND AND STAFF SCHOOL, FOR MR. FRIEDMAN'S PRESENTATION ON "COMMUNICATIONS INTELLIGENCE" ALSO CERTIFICATE AWARDED4/8/1954 MR FRIEDMAN AND2 TITLE AS HONORARY FACULTY MEMBER (05-09-1952) 47270 FOLDER 377 A66434 41753719079287 NEWSPAPER/NEWSWEEK: ARTICLES - JUNE 21 1954, 14 JULY 1954 7/14/1954 5 47270 FOLDER 162 A66436 41744959078416 LETTER OF APPRECIATION FROM THE COMMANDANT, AIR COMMAND AND STAFF SCHOOL, FOR MR. FRIEDMAN'S PRESENTATION TO STUDENTS OF THE COMMUNICATIONS-ELECTRONICS9/2/1953 STAFF OFFICER COURSE2 ON 26 AUGUST, 1953 47270 FOLDER 030 A66437 41788779082778 WILLIAM F FRIEDMAN MEMORANDUM: TO CHIEF OF STAFF, GENERAL MCCLURE'S REMARKS ON THE REPORT OF THE SPECIAL STUDY GROUP 1/12/1954 2 47270 FOLDER 377 A66438 41753749079290 THE CURTIS ANDERSON CASE, 1 JANUARY 1954 1/1/1954 1 47270 FOLDER 377 A66439 41753769079292 DIRECTOR'S REMARKS ON COMINT SECURITY CONTROLS, 1 JANUARY 1954; 101ST MEETING USCIB 1/1/1954 2 47270 FOLDER 377 A66441 41789409082841 PUBLICATION IN THE PRESS OF CLASSIFIED COMMUNICATIONS INTELLIGENCE INFORMATION 3/2/1954 2 47270 FOLDER 162 A66442 41744709078391 LETTER OF APPRECIATION FROM THE COMMANDANT, AIR COMMAND AND STAFF SCHOOL, FOR MR. FRIEDMAN'S TALK ON "COMMUNICATIONS INTELLIGENCE" AT THE COMMUNICATIONS-ELECTRONICS3/24/1953 STAFF1 OFFICER COURSE 47270 FOLDER 377 A66443 41753789079294 MEMORANDUM FOR THE RECORD REGARDING JOSEPH ALSOP WASHINGTON POST ARTICLE, 12 AUGUST 1953 8/12/1953 2 47270 FOLDER 377 A66444 41753819079297 COMPROMISE OF COMINT INFORMATION (USCIB 13/358) 8/20/1953 2 47270 FOLDER 162 A66446 41744969078417 LETTER OF APPRECIATION FROM COL. CHOATE, SECRETARY, AIR COMMAND AND STAFF SCHOOL FOR MR. FRIEDMAN'S PRESENTATION TO STUDENTS OF THE COMMUNICATIONS-ELECTRONICS9/15/1953 STAFF OFFICER 2COURSE ON 26 AUG 1953 47270 FOLDER 377 A66447 41753849079300 PUBLICATION IN PRESS OF CLASSIFIED COMMUNICATIONS INTELLIGENCE INFORMATION 8/14/1953 1 47270 FOLDER 030 A66448 41788809082781 WILLIAM F FRIEDMAN LETTER: TO PERSONNEL PLANNING GROUP, CATEGORIES OF NSA SPECIALTIES 1/11/1954 1 47270 FOLDER 162 A66450 41744919078412 LETTER OF THANKS FOR MR. FRIEDMAN'S LECTURE AT AIR COMMAND AND STAFF SCHOOL 8/27/1953 1 47270 FOLDER 162 A66452 41744979078418 LETTER IN REPLY TO COL. SHEETZ'S 12 MAR 53 LETTER THANKING MR. FRIEDMAN FOR HIS PRESENTATION AT THE AIR UNIVERSITY ON 11 MARCH 3/26/1953 2 47270 FOLDER 377 A66453 41753879079303 PUBLICATION IN THE PRESS OF CLASSIFIED COMMUNICATIONS INTELLIGENCE INFORMATION, 11 AUGUST 1953; NEW YORK HERALD TRIBUNE 8/11/1953 7 47270 FOLDER 162 A66454 41744929078413 LETTER FROM COL. SHEETZ THANKING MR. FRIEDMAN FOR HIS PRESENTATION AT THE AIR UNIVERSITY 3/12/1953 1 47270 FOLDER 377 A66455 41753909079306 EXTRACT FROM: ARMED FORCES SECURITY AGENCY, RUSSIAN SIGNAL INTELLIGENCE DATED 15 FEBRUARY 1952 2/15/1952 1 47270 FOLDER 162 A66456 41745049078425 LETTER FROM COL. SHEETZ THANKING MR. FRIEDMAN FOR HIS PRESENTATION AT THE AIR COMMAND AND STAFF SCHOOL 9/4/1952 1 47270 FOLDER 030 A66457 41788819082782 RALPH J CANINE LETTER: TO DR RALPH K POTTER, INVITATION FOR MEMBERSHIP IN TELECOMMUNICATIONS PANEL OF NSASAB 1/11/1954 2 47270 FOLDER 377 A66458 41753929079308 COMPROMISE OF COMINT INFORMATION, 10 AUGUST 1953 8/10/1953 4 47270 FOLDER 030 A66459 41788849082785 I T MCDONALD MEMO TO MR FRIEDMAN, GENERAL MCCLURE'S REMARKS ON THE REPORT OF THE SPECIAL STUDY GROUP 1/11/1954 1 47270 FOLDER 162 A66460 41744949078415 LETTER OF THANKS FROM COL. SHEETZ FOR MR. FRIEDMAN'S LECTURE AT THE AIR COMMAND AND STAFF SCHOOL 3/14/1952 1 47270 FOLDER 377 A66461 41753959079311 NEWSPAPER: ATTACHED NEWS REPORT, 20 JULY 1953; ENEMY TAPPED U.N. LINES 7/20/1953 5 47270 FOLDER 162 A66462 41745019078422 LETTER OF THANKS FROM COL. SHEETZ FOR MR. FRIEDMAN'S JUNE 1951 PRESENTATION TO THE AIR COMMAND AND STAFF SCHOOL 6/15/1951 1 47270 FOLDER 030 A66463 41788869082787 I T MCDONALD MEMO TO MR FRIEDMAN, CATEGORIES OF NSA SPECIALTIES 1/8/1954 1 47270 FOLDER 377 A66464 41753979079314 POSSIBLE SECURITY LEAKS, 9 JUNE 1953; ATOMIC BLAST AT SEMIPALATINSK 6/9/1953 3 47270 FOLDER 030 A66465 41788899082790 I T MCDONALD MEMO TO PERSONNEL PLANNING GROUP, CATEGORIES OF NSA SPECIALTIES 1/8/1954 2 47270 FOLDER 162 A66466 41745069078427 LETTER OF THANKS FROM USAF AIR COMMAND AND STAFF SCHOOL TO WILLIAM FRIEDMAN 2/5/1951 1 47270 FOLDER 377 A66467 41754019079317 POSSIBLE SECURITY LEAKS, 22 JUNE 1953 6/22/1953 2 47270 FOLDER 377 A66468 41754029079318 POSSIBLE SECURITY LEAKS, 30 JUNE 1953 6/30/1953 2 47270 FOLDER 030 A66469 41788919082792 WILLIAM F FRIEDMAN LETTER: TO DR H P ROBERTSON, CANADIAN LIAISON OFFICER HAS ASKED FOR A COPY OF THE REPORT OF THE SPECIAL STUDY GROUP 12/18/1953 1 47270 FOLDER 377 A66470 41754059079321 INFORMATION PUBLISHED BY THE POST IN DREW PEARSON'S COLUMN ON 26 MAY; SECURITY COMPROMISE 6/2/1953 3 47270 FOLDER 162 A66472 41745179078438 NOTIFICATION OF A LETTER OF APPRECIATION FROM AIR COMMAND AND STAFF SCHOOL FOR MR. FRIEDMAN'S 29 SEPT 1950 PRESENTATION TO STUDENTS OF THE AIR COMMUNICATION11/2/1950 & ELECTRONIC STAFF1 OFFICERS COURSE 47270 FOLDER 030 A66473 41788939082794 WILLIAM F FRIEDMAN MEMO TO SEC, EXECUTIVE ORDER 10501, DTD 5 NOV 53 1/5/1954 1 47270 FOLDER 377 A66474 41754079079323 NEWSPAPER: THE NATIONAL SECURITY AGENCY, 20 APRIL 1953; EXPOSE ON NATIONAL SECURITY AGENCY 4/20/1953 2 47270 FOLDER 377 A66476 41754109079326 CORRECTIVE ACTION, PRESS RELEASE, SUNDAY 3 MAY, 4 MAY 1953; REGARDING SECURITY COMPROMISES 5/4/1953 1 47270 FOLDER 162 A66477 41745149078435 LETTER OF APPRECIATION FROM COL. SHEETZ FOR MR. FRIEDMAN'S 29 SEPT 1950 PRESENTATION AT GUNTER AIR FORCE BASE, ALABAMA 10/20/1950 1 47270 FOLDER 377 A66479 41754129079328 HANSON BALDWIN ARTICLE IN FEBRUARY 1953 ISSUE OF USA COMBAT FORCES JOURNAL, 5 MARCH 1953; SECURITY COMPROMISES 3/5/1953 11 47270 FOLDER 030 A66481 41788959082796 RALPH J CANINE LETTER: TO MR J DESCH, INVITATION FOR MEMBERSHIP ON ELECTRONICS PANEL OF NSASAB, MR DESCH, OTHERS WILL RECEIVE IDENTICAL LETTERS 12/23/1953 2 47270 FOLDER 377 A66483 41754159079331 COVER LETTER TO MAJOR FRIEDMAN CONCERNING FORTHCOMING NEWS ARTICLE ON HAGELIN, 28 NOVEMBER 1950 11/28/1950 5 47270 FOLDER 377 A66484 41754189079334 INDEXED REFERENCES TO COMINT NEWS LEAKS, 5 APRIL 1943 4/5/1943 7 47270 FOLDER 377 A66485 41754199079335 EXTRACT FROM: R.I.P. NO. 98, COPY 1 (ORIGINAL), DATED 5 APRIL 1943 4/5/1943 5 47270 FOLDER 377 A66487 41754229079338 COMINT PRODUCTION AFFECTED BY EXPANDED USE OF VHF, 12 MARCH 1954 3/12/1954 9 47270 FOLDER 030 A66488 41788979082797 RALPH J CANINE LETTER: TO DR W R G BAKER, DR BAKER EXPRESSES WILLINGNESS TO SERVE ON THE ELECTRONICS PANEL OF THE NSASAB, INFORMED MR MCPHERSON WILL BE CHAIRMAN12/15/1953 OF THE PANEL 2 47270 FOLDER 161 A66489 41745129078433 LETTER IN REPLY TO A LETTER OF APPRECIATION FOR MR. FRIEDMAN'S LECTURES AT WEST POINT 28 AND 29 MAY 1952 6/16/1952 1 47270 FOLDER 030 A66490 41788999082800 RALPH J CANINE LETTER: TO MR RALPH L PALMER, ACKNOWLEDGMENT OF MR PALMER'S ACCEPTANCE OF GEN CANINE'S INVITATION TO BE A MEMBER ON THE ELECTRONICS PANEL2/15/1954 OF THE NSASAB 1 47270 FOLDER 161 A66491 41745099078430 LETTER OF APPRECIATION FOR MR. FRIEDMAN'S LECTURES AT WEST POINT 28 AND 29 MAY 1952 6/2/1952 2

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47270 FOLDER 030 A66492 41789019082802 RALPH J CANINE LETTER: TO DR JOHN VON NEUMANN, DR VONNEUMANN EXPRESSED WILLINGNESS TO SERVE ON THE MATHEMATICS PANEL OF THE NSASAB 11/17/1953 1 47270 FOLDER 030 A66494 41789029082803 GEO E CAMPBELL LETTER: TO COLONEL ROBERT I CHOATE, USAF, ORDERS BEING ISSUED FOR MR W FRIEDMAN TO DELIVER LECTURE AT MAXWELL AFB ALA 2/18/1954 1 47270 FOLDER 161 A66496 41745289078449 LETTER FROM MR. FRIEDMAN EXPLAINING HIS TRAVEL ARRANGEMENTS FOR HIS TRIP TO WEST POINT 5/19/1952 1 47270 FOLDER 030 A66498 41789049082805 RALPH J CANINE LETTER: TO MR A TRADUP, GRATITUDE ON ACCEPTING MEMBERSHIP IN THE TELECOMMUNICATIONS PANEL OF THE NSASAB 2/25/1954 1 47270 FOLDER 161 A66503 41745249078445 LETTER FROM COL. NICHOLAS TO MR. FRIEDMAN DESCRIBING THE LAYOUT OF THE LECTURE HALL AT WEST POINT 5/12/1952 1 47270 FOLDER 161 A66507 41745219078442 LETTER FROM MR. FRIEDMAN TO COL. BESSEL AT WEST POINT WITH DETAILS FROM MR. FRIEDMAN'S CAREER THAT COULD BE USED IN INTRODUCTORY REMARKS 4/28/1952 1 47270 FOLDER 161 A66508 41745349078455 LETTER FROM COL. BESSELL AT WEST POINT TO MR. FRIEDMAN, REQUESTING PERSONAL HISTORY INFORMATION FOR USE IN INTRODUCTORY REMARKS 4/22/1952 2 47270 FOLDER 030 A66510 41789059082806 LETTER TO LIEUTENANT GENERAL RALPH J CANINE, THANKS FOR SELECTION AS A CANDIDATE FOR MEMBERSHIP IN TELECOMMUNICATIONS PANEL OF THE NSA 2/19/1954 1 47270 FOLDER 161 A66511 41745279078448 LETTER FROM MR. FRIEDMAN TO COL. NICHOLAS AT WEST POINT, ACCEPTING LODGING PROPOSAL AND COMMENTING ON LECTURE PLANS 4/28/1952 2 47270 FOLDER 030 A66512 41789099082810 COMMENTS ON US EFFORTS 10/23/1953 3 47270 FOLDER 376 A66513 41754249079340 FOOLING THE ENEMY (EXTRACTED FROM ASA REVIEW), 1 JANUARY 1950; FIRST OF A SERIES ON TACTICAL DECEPTION DURING WW II 1/1/1950 2 47270 FOLDER 376 A66514 41754279079343 PHYSICAL, TRANSMISSION, & CRYPTOGRAPHIC SECURITY (EXTRACTED FROM ASA REVIEW - MARCH APRIL 1951), 01 MAY 1951 5/1/1951 6 47270 FOLDER 376 A66515 41754299079345 REQUEST FOR NSA QUARTERLY PROPERTY PASS (RCS 364), 2 MAY 1955 5/2/1955 1 47270 FOLDER 376 A66516 41754319079347 NSA REGULATION; PERSONNEL SECURITY, 25 FEBRUARY 1955 2/25/1955 10 47270 FOLDER 376 A66517 41754339079348 REQUEST FOR NSA QUARTERLY PROPERTY PASS (RCS 364), 28 MARCH 1955 3/28/1955 1 47270 FOLDER 376 A66518 41754359079351 NSA REGULATION; NSA PROPERTY PASS SYSTEM, 15 MARCH 1955 3/15/1955 4 47270 FOLDER 376 A66519 41754389079354 ON-THE-JOB SECURITY BRIEFING, 7 FEBRUARY 1955 2/7/1955 1 47270 FOLDER 376 A66520 41754409079356 ANNUAL SECURITY INDOCTRINATION, 31 JANUARY 1954 1/31/1954 1 47270 FOLDER 376 A66521 41754439079358 SECURITY HANDLING, 29 JULY 1954 7/29/1954 3 47270 FOLDER 376 A66522 41754459079361 IMPROVED SECURITY PRACTICES, 27 APRIL 1953 4/27/1953 4 47270 FOLDER 376 A66523 41754489079364 NSA MEMORANDUM; NSA VISITOR CONTROL SYSTEM, 9 MARCH 1953 3/9/1953 4 47270 FOLDER 376 A66524 41754509079366 Q CLEARANCE, 25 AUGUST 1954 8/25/1954 1 47270 FOLDER 376 A66525 41754539079369 CERTIFICATION OF PUBLIC LAW 513, 16 MARCH 1953 3/16/1953 6 47270 FOLDER 376 A66526 41754569079372 AFSA MEMO; COMMUNICATION SECURITY BRIEFING OF AFSA PERSONNEL BEING ASSIGNED OVERSEAS, 23 OCTOBER 1952; 10/23/1952 1 47270 FOLDER 376 A66529 41754599079375 TRANSPORT OF MATERIAL BELONGING TO THE AIR FORCE, IN CARE OF MR. P.J. DECUZZI, 16 SEPTEMBER 1952 9/16/1952 1 47270 FOLDER 376 A66530 41754619079377 PUBLICATION OF MATERIAL CONTAINED IN UNCLASSIFIED AFSA TECHNICAL DOCUMENT, 16 JUNE 1952 6/16/1952 1 47270 FOLDER 376 A66531 41754649079380 INTEROFFICE COMMUNICATION SYSTEM (CONTINUED), 27 MARCH 1952 3/27/1952 2 47270 FOLDER 376 A66533 41754669079382 DICTOGRAPH INTERCOMM BOXES, 14 MARCH 1952 3/14/1952 1 47270 FOLDER 376 A66534 41754689079384 SECURITY VIOLATIONS, 7 MARCH 1952 3/7/1952 2 47270 FOLDER 161 A66535 41745199078440 LETTER FROM COL. NICHOLAS TO MR. FRIEDMAN - DETAILS RE FRIEDMAN TRIP TO WEST POINT TO LECTURE CADETS 4/22/1952 2 47270 FOLDER 376 A66537 41754699079385 SECURITY OF EQUIPMENT USED FOR STORAGE OF CLASSIFIED MATERIAL, 16 JANUARY 1952 1/16/1952 3 47270 FOLDER 376 A66538 41754719079387 REPORT OF SECURITY VIOLATION, 27 DECEMBER 1951 12/27/1951 1 47270 FOLDER 376 A66539 41754739079389 REPORT OF SECURITY VIOLATION NO. 154, 29 AUGUST 1951 8/29/1951 2 47270 FOLDER 376 A66541 41754759079391 REPORT OF SECURITY VIOLATION 8/19/1951 1 47270 FOLDER 376 A66543 41754789079394 REPORT OF SECURITY VIOLATION NO. 154, 27 AUGUST 1951 8/27/1951 1 47270 FOLDER 376 A66544 41754799079395 INSTRUCTIONS IN REPORTING INVESTIGATIONS INTO VIOLATIONS OF SECURITY, 01 JANUARY 1951 1/1/1951 1 47270 FOLDER 376 A66545 41754809079396 REPORT OF SECURITY VIOLATION, 19 AUGUST 1951 8/19/1951 1 47270 FOLDER 161 A66546 41744989078420 ACKNOWLEDGEMENT LETTER FROM MR. FRIEDMAN TO COL. BESSELL WITH DRAFT OF WEST POINT LECTURE ANNOUNCEMENT 4/14/1952 4 47270 FOLDER 376 A66548 41754829079398 SPECIAL SAFEGUARDS FOR JCS PAPERS, 12 FEBRUARY 1951 2/12/1951 3 47270 FOLDER 376 A66549 41754839079399 PRIORITY OF SAFEGUARDING CLASSIFIED INFORMATION, 27 NOVEMBER 1950 11/27/1950 1 47270 FOLDER 376 A66550 41754859079401 PRIORITY OF SAFEGUARDING CLASSIFIED INFORMATION, 22 NOVEMBER 1950 11/22/1950 1 47270 FOLDER 375 A66552 41754869079402 IFF SECURITY PROPOSAL WITH FACILITIES FOR SECURE DATA TRANSMISSION, 11 APRIL 1951 4/11/1951 17 47270 FOLDER 374 A66556 41754879079403 US AND UK POLICIES AND PRACTICES IN THE DISSEMINATION OF COMINT DURING WORLD WAR II, 1 OCTOBER 1951 10/1/1951 68 47270 FOLDER 161 A66557 41745269078447 LETTER FROM GEN. CANINE TO MAJ. GEN. IRVING - AUTHORIZING MR. FRIEDMAN TO LECTURE AT WEST POINT 4/8/1952 1 47270 FOLDER 374 A66558 41754889079404 CONTRIBUTION OF SIGNAL INTELLIGENCE TOWARD VICTORY IN WORLD WAR II AND ITS RELATIVELY SMALL COST, 1 JANUARY 1951 1/1/1951 3 47270 FOLDER 374 A66560 41754899079405 MEMO FOR THE RECORD RE LIBRARY OF CONGRESS REQUEST FOR INFORMATION ON PEARL HARBOR INCIDENT, 22 APRIL 1954 4/22/1954 1 47270 FOLDER 161 A66562 41745369078457 LETTER FROM COL. BESSELL TO MR. FRIEDMAN - DISCUSSION OF UPCOMING WEST POINT LECTURE 3/29/1952 1 47270 FOLDER 161 A66565 41745469078467 LETTER FROM MAJ.GEN. IRVING TO MAJ.GEN. CANINE REQUESTING THAT MR. FRIEDMAN LECTURE TO CADETS AT WEST POINT 3/26/1952 1 47270 FOLDER 161 A66567 41745539078474 LETTER FROM MR. FRIEDMAN TO COL. BESSELL RE SUBJECT MATTER AND TIMES OF WEST POINT LECTURE 2/26/1952 1 47270 FOLDER 373 A66568 41754909079406 PROCEDURE FOR DEALING WITH REQUESTS FROM FOREIGN GOVERNMENTS FOR COMSEC ASSISTANCE, 14 APRIL 1955 4/14/1955 2

UNCLASSIFIED 107 UNCLASSIFIED

47270 FOLDER 373 A66569 41754929079408 INCLUSION OF COMMERCIAL CRYPTOGRAPHIC MATERIAL ON THE INTERNATIONAL EMBARGO LIST, 9 DECEMBER 1954 12/9/1954 2 47270 FOLDER 373 A66570 41754939079409 COCOM, 16 NOVEMBER 1954 11/16/1954 1 47270 FOLDER 373 A66571 41754959079411 FEDERAL CURB PUT ON TECHNICAL DATA, 5 NOVEMBER 1954 11/5/1954 3 47270 FOLDER 161 A66572 41745569078477 LETTER FROM COL. BESSELL TO MR. FRIEDMAN RE UPCOMING LECTURES AT WEST POINT 2/19/1952 2 47270 FOLDER 373 A66573 41754969079412 IMPLICATIONS OF A POLICY WHICH WOULD PERMIT CRYPTOGRAPHIC AID TO FRIENDLY FOREIGN GOVERNMENTS FOR THEIR NATIONAL PURPOSES, 27 MAY 1954 5/27/1954 5 47270 FOLDER 373 A66574 41754979079413 PROVISION OF COMMUNICATIONS SECURITY ASSISTANCE TO FOREIGN GOVERNMENTS, 1 JANUARY 1954 1/1/1954 16 47270 FOLDER 029 A66575 41789159082816 RALPH J CANINE LETTER: TO DR D MENZEL, NOTIFICATION OF NOMINATION TO THE NSASAB, INCLUDES BACKGROUND INFORMATION ON THE ORGANIZATION 12/23/1952 1 47270 FOLDER 161 A66576 41745259078446 LETTER FROM MR. FRIEDMAN TO COL. BESSELL RE INVITATION TO LECTURE TO WEST POINT CADETS 2/19/1952 3 47270 FOLDER 372 A66577 41754999079415 RELEASE OF AFSAM 7, 26 FEBRUARY 1954 2/26/1954 1 47270 FOLDER 471 A66578 41722299076156 AMENDMENT TO MINUTES OF CIVILIAN EMPLOYMENT BOARD MEETING 19 APRIL 1949 5/6/1949 1 47270 FOLDER 161 A66580 41745589078479 LETTER FROM MR. FRIEDMAN TO COL. BESSELL ACKNOWLEDGING RECEIPT OF LETTER OF 11 JAN 1952 AND ACCEPTING INVITATION 1/21/1952 1 47270 FOLDER 029 A66581 41789169082817 RALPH J CANINE LETTER: TO DR A A ALBERT, INVITATION FOR MEMBERSHIP ON MATHEMATICS PANEL OF NSASAB 12/23/1953 2 47270 FOLDER 161 A66582 41745649078485 LETTER FROM COL. BESSELL TO MR. FRIEDMAN REQUESTING THAT MR. FRIEDMAN LECTURE TO WEST POINT CADETS THIS SPRING 1/11/1952 4 47270 FOLDER 029 A66583 41789189082819 WILLIAM F FRIEDMAN LETTER: TO DEAN RALPH A SAWYER, SETTING UP A MEETING AT THE COSMOS CLUB 1/1/1953 1 47270 FOLDER 161 A66584 41745619078482 LETTER FROM COL. LAIRD TO MR. FRIEDMAN EXPRESSING APPRECIATION FOR LECTURE GIVEN TO USAF SECURITY SERVICE OPERATIONS PEOPLE ON 14 & 15 MARCH 3/27/1951 1 47270 FOLDER 471 A66586 41722309076157 MINUTES OF MEETING HELD 1000 HOURS, 11 MAY 1948, ROOM 117, HEADQUARTERS 5/11/1948 4 47270 FOLDER 471 A66588 41722339076160 CIVILIAN EMPLOYMENT BOARD - MINUTES OF MEETING HELD 1330 HOURS, 19 APRIL 1949, ROOM 117, HEADQUARTERS 4/19/1949 3 47270 FOLDER 471 A66589 41722359076162 CIVILIAN EMPLOYMENT BOARD, MINUTES OF MEETING HELD 27 APRIL 1948, ROOM 117 HEADQUARTERS 4/27/1948 2 47270 FOLDER 471 A66590 41722379076164 MINUTES OF MEETING HELD 1300 HOURS 30 MARCH 1948 ROOM 117 HQ 3/30/1948 2 47270 FOLDER 029 A66591 41789199082820 RALPH J CANINE LETTER: TO DR JOHN VON NEUMANN, THANKS TO THE DOCTOR FOR VOLUNTEERING TO SERVE ON THE MATHEMATICS PANEL IN ADDITION TO HIS OTHER DUTIES ON12/15/1953 THE BOARD, 1 47270 FOLDER 160 A66592 41746249078545 EXTRACT FROM LECTURE ON COMMUNICATION INTELLIGENCE GIVEN AT NAVAL WAR COLLEGE, 20 AUGUST 1948, NEWPORT, RHODE ISLAND BY DEPUTY CHIEF OF NAVAL COMMUNICATIONS8/20/1948 FOR SUPPLEMENTARY17 ACTIVITIES 47270 FOLDER 471 A66594 41722399076166 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 17 FEBRUARY 1948 2/17/1948 3 47270 FOLDER 471 A66595 41722289076155 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 20 JANUARY 1948 1/20/1948 6 47270 FOLDER 029 A66596 41789229082823 WILLIAM F FRIEDMAN MEMO, COMSEC EQUIPMENT FOR THE FRENCH FOREIGN OFFICE 12/11/1953 1 47270 FOLDER 471 A66597 41722429076169 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 8 JUNE 1948 6/8/1948 4 47270 FOLDER 029 A66599 41789249082825 WILLIAM F FRIEDMAN MEMO, REQUIREMENTS FOR ADMINISTRATIVE TELEPHONE SYSTEM AT FORT MEADE 12/8/1953 1 47270 FOLDER 471 A66600 41722449076171 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 13 DECEMBER 1948 12/13/1948 2 47270 FOLDER 029 A66601 41789279082827 RALPH J CANINE MEMO: TO DIRECTOR OF INTELLIGENCE US AIR FORCE, REQUEST TO ADVISE THE AIR FORCE ATTACHE IN STOCKHOLM TO RECEIVE AN ITEM OF EQUIPMENT FROM MR12/8/1953 HAGELIN AND TO FORWARD1 THE EQUIPMENT BY AIR TO MR FRIEDMAN 47270 FOLDER 471 A66602 41722569076183 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 9 DECEMBER 1947 12/9/1947 2 47270 FOLDER 029 A66604 41789289082829 PREPARATION OF HISTORY OF THE NAVAL COMINT OPERATION DURING THE KOREAN CONFLICT 12/7/1953 2 47270 FOLDER 471 A66605 41722609076187 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 15 NOVEMBER 1946 11/15/1946 5 47270 FOLDER 471 A66606 41722639076192 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 12 NOVEMBER 1947 11/12/1947 10 47270 FOLDER 029 A66607 41789309082831 WILLIAM F FRIEDMAN LETTER: TO DR RICHARD C RAYMOND, ACKNOWLEDGMENT OF RECEIPT OF RAND RESEARCH MEMORANDA AND DR RAYMOND'S PROPOSED VISIT TO WASHINGTON12/1/1953 7 OR 11 DEC 1 47270 FOLDER 471 A66608 41722679076194 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 28 OCTOBER 1947 10/28/1947 2 47270 FOLDER 471 A66609 41722709076197 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 7 OCTOBER 1947 10/7/1947 3 47270 FOLDER 029 A66610 41789329082832 WILLIAM F FRIEDMAN LETTER: TO MR V B VON SONN, ACKNOWLEDGMENT OF RECEIPT OF RAND RESEARCH MEMORANDA 12/1/1953 1 47270 FOLDER 471 A66611 41722739076200 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 16 SEPTEMBER 1947 9/16/1947 2 47270 FOLDER 471 A66612 41722769076203 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 6 AUGUST 1947 8/6/1947 2 47270 FOLDER 029 A66613 41789349082835 RALPH J CANINE LETTER: TO MR DONALD A QUARLES, DR H P ROBERTSON CHAIRMAN OF THE SPECIAL STUDY GROUP (UNDER THE NSASAB) REQUESTED THIS LETTER BE WRITTEN IN10/22/1953 APPRECIATION OF MR POST'S1 AND MR WEAVER'S SERVICES TO THE SPECIAL STUDY GROUP'S PROJECT 47270 FOLDER 372 A66614 41755009079416 REQUEST FOR PUBLICATIONS, 25 JANUARY 1954 1/25/1954 2 47270 FOLDER 372 A66615 41755019079417 RELEASE OF CRYPTOGRAPHIC INFORMATION TO THE U.K. , 14 SEPTEMBER 1953 9/14/1953 1 47270 FOLDER 029 A66616 41789359082836 WILLIAM F FRIEDMAN LETTER: TO DR W R G BAKER, DR BAKER UNABLE TO ATTEND THE 15-16 OCTOBER NSASAB BOARD MEETING DUE TO PRIOR ENGAGEMENT 10/1/1953 1 47270 FOLDER 372 A66617 41755029079418 RELEASE OF M-209S TO THE FRENCH, 12 JANUARY 1954 1/12/1954 2 47270 FOLDER 372 A66618 41755039079419 CONVERTERS, M209, 16 DECEMBER 1953; COUNTRIES SUPPLIED M209 CONVERTERS 12/16/1953 3 47270 FOLDER 471 A66619 41722789076205 MINUTES OF SUBCOMMITTEE CHARGED WITH INVESTIGATION OF CLASSIFICATION, JOB DESCRIPTION AND RELATED CIVILIAN PERSONNEL PROCEDURES AT GOVERNMENT AGENCIES4/15/1947 7 47270 FOLDER 471 A66621 41722849076212 THE NAVY'S PROPOSED QUALIFICATIONS FOR THE CRYPTOGRAPHER SERIES FOR PROFESSIONAL AND SUB-PROFESSIONAL GRADES 1/31/1947 22 47270 FOLDER 471 A66623 41722939076220 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 4 FEBRUARY 1947 2/4/1947 1 47270 FOLDER 159 A66624 41745739078495 AN EXAMPLE OF COMINT CAPABILITY IN THE FIELD - AN EXCERPT FROM THE ADDRESS "FIELD OPERATIONS" GIVEN BY CHIEF, FIELD OPERATIONS DIRECTION GROUP 4/27/1954 15 47270 FOLDER 471 A66625 41722979076224 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 27 JANUARY 1947 1/27/1947 1 47270 FOLDER 471 A66626 41723009076227 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 21 JANUARY 1947 1/21/1947 1

UNCLASSIFIED 108 UNCLASSIFIED

47270 FOLDER 372 A66629 41755049079420 RELEASE OF THE ASAM-4 CRYPTOPRINCIPLES TO THE U.K., CANADA, AUSTRALIA AND NEW ZEALAND, 6 JULY 1953 7/6/1953 3 47270 FOLDER 372 A66631 41755059079421 POLICY AND PROCEDURE FOR DISCLOSURE OF CRYPTOGRAPHIC INFORMATION TO FOREIGN NATIONS, 26 JUNE 1953 6/26/1953 20 47270 FOLDER 372 A66633 41755069079422 FRENCH MODIFIED CONVERTER M-209-B, 25 MARCH 1952 3/25/1952 1 47270 FOLDER 372 A66634 41755079079423 FRENCH MODIFIED CONVERTER M. 209-B, 6 MARCH 1952 3/6/1952 2 47270 FOLDER 371 A66635 41755099079425 TRANSMITTAL OF CORRESPONDENCE ON CONVERTER M-209, 29 DECEMBER 1954 12/29/1954 4 47270 FOLDER 371 A66636 41755109079426 DISPOSAL OF SURPLUS CRYPTO-EQUIPMENT (AFSAC 66/30), 7 MAY 1952 5/7/1952 1 47270 FOLDER 029 A66637 41789389082839 WILLIAM F FRIEDMAN LETTER: TO MR H P CORWITH, A MEMBER OF THE NSASAB, INVITED TO ATTEND THE 15-16 OCT MEETING THIS IS AN ACKNOWLEDGMENT OF HIS LTR OF 26 SEPT9/30/1953 SAYING HE WILL ATTEND1 47270 FOLDER 371 A66638 41755119079427 DISPOSAL OF SURPLUS CRYPTO-EQUIPMENT, 22 OCTOBER 1951 10/22/1951 1 47270 FOLDER 158 A66639 41745669078487 LECTURE ON CODE WORK GIVEN TO THE NAVAL ACADEMY GRADUATING CLASS AT ANNAPOLIS IN 1922 1/1/1922 10 47270 FOLDER 371 A66640 41755129079428 DISPOSAL OF SURPLUS CRYPTO-EQUIPMENT, 28 SEPTEMBER 1951 9/28/1951 2 47270 FOLDER 371 A66641 41755149079430 SURPLUS DISPOSAL OF M-209( ) CRYPTOGRAPHIC EQUIPMENT, 5 SEPTEMBER 1951 9/5/1951 11 47270 FOLDER 471 A66642 41723049076231 LETTER OF REPLY AND ANSWER REGARDING SEPARATION FOR INEFFICIENCY 12/1/1946 16 47270 FOLDER 029 A66643 41789399082840 MR FRIEDMAN PASSES A DRAFT COPY OF THE SPECIAL STUDY GROUP 1/1/1953 1 47270 FOLDER 371 A66644 41755169079432 M-209S SENT TO FRENCH INDO-CHINA (TS), 10 DECEMBER 1954 12/10/1954 2 47270 FOLDER 371 A66646 41755179079433 M-209S SENT TO FRENCH INDO-CHINA, 5 NOVEMBER 1954 11/5/1954 1 47270 FOLDER 371 A66647 41755189079434 RELEASE OF M-209S TO INDO-CHINA, 8 JANUARY 1954 1/8/1954 1 47270 FOLDER 471 A66648 41723129076239 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 16 DECEMBER 1946 12/16/1946 17 47270 FOLDER 371 A66649 42030309106912 RELEASE OF THE M-209 TO FOREIGN NATIONS, 15 OCTOBER 1953 10/15/1953 2 47270 FOLDER 371 A66650 41755199079435 RELEASE OF THE M-209 TO FRANCE, 1 JANUARY 1953 1/1/1953 2 47270 FOLDER 371 A66651 41755209079436 INTERVIEW WITH M. DE VOSJOLI AND M. DOUSSEAU, 5 NOVEMBER 1953; FRENCH REQUIREMENT FOR U.S. COMSEC EQUIPMENT 11/5/1953 4 47270 FOLDER 157 A66652 41746149078535 NOTE TO GEN. CANINE FROM MR. FRIEDMAN EXPRESSING WILLINGNESS TO LECTURE AT UNSPECIFIED LOCATION 1/4/1955 1 47270 FOLDER 371 A66653 41755229079438 CLASSIFICATION OF M-209 AS MILITARY TYPE I, 25 FEBRUARY 1946 2/25/1946 1 47270 FOLDER 371 A66655 41755239079439 ISSUE OF CONVERTER M-209 TO FOREIGN NATIONS, 17 FEBRUARY 1949 2/17/1949 2 47270 FOLDER 471 A66656 41723169076243 JOB FIELDS IN WHICH NEW MILITARY OCCUPATIONAL SPECIALTIES MAY BE WARRANTED 11/19/1946 2 47270 FOLDER 371 A66657 41755249079440 SPECIAL CONFERENCE ON M-209 SECURITY, 12 OCTOBER 1950 10/12/1950 5 47270 FOLDER 157 A66658 41745709078491 COPY OF TRANSCRIPT OF THE RECORDED VERSION OF THE LECTURE "R/D--ITS MISSION AND SOME THOUGHTS AS TO ITS FUTURE" 3/7/1955 13 47270 FOLDER 471 A66659 41723199076246 MILITARY TITLES 11/5/1946 1 47270 FOLDER 371 A66661 41755269079442 TRANSFER OF M-209S TO FRENCH INDO-CHINA FORCES, 25 OCTOBER 1954 10/25/1954 9 47270 FOLDER 371 A66662 41755279079443 REPLY FROM AFSA-02 RE SN 188,546: HAGELIN, 20 NOVEMBER 1951 11/20/1951 3 47270 FOLDER 371 A66663 41755289079444 INFORMATION YOU REQUESTED RE APPLICATION FOR PATENT SN 188,546, HAGELIN, 16 NOVEMBER 1951 11/16/1951 1 47270 FOLDER 471 A66664 41723269076253 CIVILIAN EMPLOYMENT BOARD MINUTES OF MEETING HELD 1 NOVEMBER 1946 11/1/1946 2 47270 FOLDER 371 A66665 42030279106909 RELEASE OF HAGELIN U.S. PATENT APPLICATION 188,546, 27 MARCH 1952 3/27/1952 4 47270 FOLDER 371 A66667 41755309079446 RESCISSION OF SECRECY ORDER REGARDING HAGELIN PATENT NO. 188546, 4 APRIL 1952 4/4/1952 1 47270 FOLDER 471 A66669 41723309076257 HAND WRITTEN NOTES FROM MEETINGS 10/3/1946 2 47270 FOLDER 371 A66671 41755329079448 PATENT APPLICATION DISCLOSES IMPROVEMENT TO M-209, 1 APRIL 1952 4/1/1952 1 47270 FOLDER 371 A66672 41755339079449 HANDWRITTEN NOTE RE HAGELIN US SERIAL NO. 188, 546, 19 OCTOBER 1951 10/19/1951 1 47270 FOLDER 156 A66673 41746069078528 INDEX OF PANEL PAPERS BY NUMBER, SUBJECT AND DATE 1/19/1950 18 47270 FOLDER 029 A66674 41789419082842 WILLIAM F FRIEDMAN LETTER; TO DR S S WILKS A MEMBER OF NSASAB 9/29/1953 1 47270 FOLDER 371 A66676 41755349079450 ISSUE OF M-209 TO FOREIGN NATIONS, 17 SEPTEMBER 1951 9/17/1951 1 47270 FOLDER 371 A66677 41755359079451 RELEASE OF CRYPTOGRAPHIC MATERIAL OR EQUIPMENT TO FOREIGN GOVERNMENTS; DECISIONS TO RELEASE 8/15/1951 1 47270 FOLDER 471 A66679 41723359076264 REPORT OF SUBCOMMITTEE OF COORDINATION COMMITTEE FOR CLASSIFICATION AND WAGE ADMINISTRATION OF THE CIVILIAN EMPLOYMENT BOARD 10/23/1946 29 47270 FOLDER 371 A66680 41755369079452 ISSUE OF CONVERTER M-209, 17 FEBRUARY 1949 2/17/1949 2 47270 FOLDER 029 A66681 41789439082844 WILLIAM F FRIEDMAN LETTER: TO MR JOHN C MCPHERSON, SENDING FORMS REQUESTED FOR REIMBURSEMENT FOR THE TIME SPENT WITH THE SPECIAL STUDY GROUP 9/29/1953 1 47270 FOLDER 155 A66683 41745809078507 USAFSS PRESENTATIONS TO THE SPECIAL STUDY GROUP OF THE NSASAB (SUMMER 1953) 8/4/1953 64 47270 FOLDER 371 A66684 41755389079454 HAGELIN PATENTS, 1 JANUARY 1951 1/1/1951 92 47270 FOLDER 471 A66686 41723429076269 CIVILIAN EMPLOYMENT BOARD MEETING HELD 18 OCTOBER 1946 10/18/1946 2 47270 FOLDER 471 A66687 41723469076273 CIVILIAN EMPLOYMENT BOARD MEETING HELD 4 OCTOBER 1946 10/4/1946 3 47270 FOLDER 370 A66689 41755409079456 OUTLINE FOR CRYPTOLOGIC STUDIES, 18 NOVEMBER 1953 11/18/1953 3 47270 FOLDER 370 A66690 41755419079457 LOCATIONS AND TYPES OF CRYPTOLOGIC INTELLIGENCE FILES, 1 JANUARY 1951 1/1/1951 3 47270 FOLDER 471 A66693 41723529076281 REPORT OF SUBCOMMITTEE OF COORDINATION COMMITTEE FOR CLASSIFICATION AND WAGE ADMINISTRATION OF THE CIVILIAN EMPLOYMENT BOARD 9/25/1946 31

UNCLASSIFIED 109 UNCLASSIFIED

47270 FOLDER 370 A66694 41755429079458 MEETING CALLED BY CAPTAIN W.A. WRIGHT RE NSA-CIA LIAISON AND INTERCHANGE OF INFORMATION, 11 DECEMBER 1953; PROBLEMS PROCURING INFORMATION ON FOREIGN COMINT12/11/1953 ORGANIZATIONS 4 47270 FOLDER 471 A66696 41723599076285 CIVILIAN EMPLOYMENT BOARD MEETING HELD 20 SEPTEMBER 1946 9/20/1946 3 47270 FOLDER 471 A66697 41723629076289 CIVILIAN EMPLOYMENT BOARD MEETING HELD 6 SEPTEMBER 1946 9/6/1946 4 47270 FOLDER 369 A66699 41755439079459 AFSA EEI FOR THE PROCUREMENT OF CRYPTOLOGIC INFORMATION IN WEST GERMANY, 15 FEBRUARY 1952 2/15/1952 3 47270 FOLDER 471 A66700 41723669076293 CODE AND SSN NUMBERS AND DESCRIPTION OF ARMY SECURITY AGENCY SPECIALISTS 7/11/1946 1 47270 FOLDER 154 A66701 41745979078521 MACHINES IN THE SERVICE OF CRYPTANALYSIS - PRESENTED TO DIRECTOR, NSA AND HIS STAFF BY THE MACHINE DIVISION, NSA-82 9/28/1954 41 47270 FOLDER 369 A66702 41755459079461 VALUE OF TICOM DOCUMENTS IN WESTERN AREA SECTIONS, 21 FEBRUARY 1952 2/21/1952 6 47270 FOLDER 471 A66703 41723719076300 MILITARY OCCUPATIONAL SPECIALTY JOB SPECIFICATION 8/30/1946 31 47270 FOLDER 369 A66705 41755469079462 REPORT FROM THE HEAD, SPECIAL LIAISON, OFFICE OF OPERATIONS, AFSA ON AN ESTIMATE OF THE COMMUNICATIONS INTELLIGENCE CAPABILITIES OF WESTERN EUROPEAN GOVERNMENTS,2/11/1952 11 FEBRUARY 19521 47270 FOLDER 471 A66706 41723779076304 CIVILIAN EMPLOYMENT BOARD MEETING HELD 16 AUGUST 1946 8/16/1946 3 47270 FOLDER 369 A66707 41755479079463 REPORT FROM AFSA-02X RE COMINT CAPABILITIES OF WESTERN EUROPE NATIONS, 31 JANUARY 1952 1/31/1952 1 47270 FOLDER 471 A66709 41723809076307 CIVILIAN EMPLOYMENT BOARD MEETING HELD 2 AUGUST 1946 8/2/1946 1 47270 FOLDER 369 A66710 41755489079464 AFSA EEI FOR THE PROCUREMENT OF CRYPTOGRAPHIC INFORMATION IN WEST GERMANY, 6 FEBRUARY 1952 2/6/1952 3 47270 FOLDER 369 A66711 41755499079465 HANDWRITTEN NOTE RE CRYPT POTENTIAL OF VARIOUS COUNTRIES, 24 AUGUST 1951 8/24/1951 2 47270 FOLDER 369 A66712 41755509079466 INTEREST IN CRYPTOLOGIC INTELLIGENCE STUDIES, 6 AUGUST 1951 8/6/1951 1 47270 FOLDER 471 A66713 41723849076311 HAND WRITTEN NOTES ON MEETING 7/1/1946 1 47270 FOLDER 369 A66714 41755519079467 DRAFT REPORT BY MR. T.A. MILLER ON SOVIET SOPHISTICATION IN COMSEC AND COMINT, 21 AUGUST 1951 8/21/1951 1 47270 FOLDER 153 A66715 41745939078514 ARTICLE FROM SCIENCE VOL. 120 NO. 3128: 1- STRENGTHENING THE BASIS OF NATIONAL SECURITY 12/10/1954 3 47270 FOLDER 369 A66716 41755529079468 REPORT BY MR. MILLER ON RUSSIAN SOPHISTICATION, 26 JULY 1951 7/26/1951 1 47270 FOLDER 471 A66717 41723889076315 CIVILIAN EMPLOYMENT BOARD MEETING HELD 23 JULY 1946 7/23/1946 1 47270 FOLDER 412 A66718 41756149079529 INDEX OF CONTENTS 1/1/1956 3 47270 FOLDER 369 A66719 41755539079469 SOVIET SOPHISTICATION IN COMMUNICATIONS SECURITY AND COMMUNICATIONS INTELLIGENCE, 1 JULY 1951 7/1/1951 3 47270 FOLDER 471 A66720 41723929076319 CIVILIAN EMPLOYMENT BOARD MEETING HELD 13 JULY 1946 7/13/1946 2 47270 FOLDER 412 A66723 41755989079513 H. R. 1152, 83D CONGRESS, 1ST SESSION 1/4/1954 2 47270 FOLDER 412 A66724 41755739079489 DECLASSIFICATION OF CORRESPONDENCE 12/4/1953 1 47270 FOLDER 412 A66726 41755709079486 DECLASSIFICATION OF CORRESPONDENCE, 7 DECEMBER 1953 12/7/1953 1 47270 FOLDER 412 A66727 41756299079544 H.R. 1152, 83RD CONGRESS, 1ST SESSION, 17 NOVEMBER 1953 11/17/1953 2 47270 FOLDER 412 A66728 41755919079506 H.R. 1152, 83RD CONGRESS, 1ST SESSION 11/5/1953 1 47270 FOLDER 369 A66729 41755559079471 HISTORY OF COLLABORATION AMONG FRENCH CRYPTOLOGIC AGENCIES 1909-1959 7/25/1951 65 47270 FOLDER 471 A66731 41723979076324 HAND WRITTEN NOTES ON MEETINGS 6/25/1946 2 47270 FOLDER 471 A66732 41724009076327 CIVILIAN EMPLOYMENT BOARD MEETING HELD 21 JUNE 1946 6/21/1946 2 47270 FOLDER 412 A66733 41755749079490 H. R. 1152, 83RD CONGRESS, 1ST SESSION, 7 OCTOBER 1953 10/7/1953 1 47270 FOLDER 368 A66734 41755569079472 LETTER FROM NEW YORK CIPHER SOCIETY RE GOVERNMENT CRYPTOGRAPHIC WORK, 9 FEBRUARY 1955 2/9/1955 1 47270 FOLDER 471 A66735 41724039076330 OFFICE MEMORANDUM - HAND WRITTEN 6/25/1946 2 47270 FOLDER 471 A66736 41724059076332 CIVILIAN EMPLOYMENT BOARD MEETING HELD 7 JUNE 1946 6/7/1946 1 47270 FOLDER 412 A66737 41755949079509 LETTER TO JUDGE ADVOCATE GENERAL, DEPT OF THE ARMY, REGARDING FINANCIAL COMPENSATION IN ACCORDANCE TO H.R. 1152, 83RD CONGRESS, 1ST SESSION 3/6/1953 1 47270 FOLDER 471 A66738 41724079076334 CIVILIAN EMPLOYMENT BOARD MEETING HELD 24 MAY 1946 5/24/1946 2 47270 FOLDER 368 A66739 41755579079473 LETTER FROM OFFICE OF THE SECRETARY OF DEFENSE TO NEW YORK CIPHER SOCIETY, 4 FEBRUARY 1955 2/4/1955 2 47270 FOLDER 471 A66740 41724109076337 CIVILIAN EMPLOYMENT BOARD MEETING HELD 20 MAY 1946 5/20/1946 1 47270 FOLDER 471 A66741 41724129076339 CIVILIAN EMPLOYMENT BOARD MEETING HELD 17 MAY 1946 5/17/1946 2 47270 FOLDER 152 A66742 41746049078525 LISTING OF NUMBER OF SYSTEMS, AND NAMES OF PROBABLE DATA PROCESSING SYSTEMS 9/7/1945 1 47270 FOLDER 412 A66743 41756189079533 H. R. 1152, 83RD CONGRESS, 1ST SESSION, A BILL "FOR THE RELIEF OF WILLIAM F. FRIEDMAN" 2/25/1953 5 47270 FOLDER 412 A66744 41755969079511 H. R. 5728 "FOR THE RELIEF OF WILLIAM F. FRIEDMAN", 8 JANUARY 1953 1/8/1953 1 47270 FOLDER 471 A66745 41724149076341 COORDINATION COMMITTEE; CLASSIFICATION AND WAGE ADMINISTRATION 4/29/1946 3 47270 FOLDER 029 A66746 41789519082852 WILLIAM F FRIEDMAN LETTER: TO DR WALTER R G BAKER, PROVIDES A FORMAL NOTICE OF 15-16 OCTOBER 1953 NSASAB MEETING 9/23/1953 2 47270 FOLDER 412 A66747 41756339079547 H. R. 5728 "FOR THE RELIEF OF WILLIAM F. FRIEDMAN", 18 DECEMBER 1952 12/18/1952 2 47270 FOLDER 152 A66748 41746179078538 OUTLINE OF LECTURE TO BE GIVEN TO THE ASA SCHOOL AT CARLISLE, PA, ON THURSDAY, 22 JUNE 1950 6/19/1950 8 47270 FOLDER 471 A66749 41724169076343 CIVILIAN EMPLOYMENT BOARD MEETING HELD 25 APRIL 1946 4/25/1946 1 47270 FOLDER 471 A66750 41724229076349 CIVILIAN EMPLOYMENT BOARD MEETING HELD 22 APRIL 1946 4/22/1946 1 47270 FOLDER 471 A66751 41724309076357 CIVILIAN EMPLOYMENT BOARD MEETING HELD 19 APRIL 1946 4/19/1946 1

UNCLASSIFIED 110 UNCLASSIFIED

47270 FOLDER 412 A66752 41756439079558 H. R. 5728, 82ED CONGRESS, 1ST SESSION, A BILL "FOR THE RELIEF OF WILLIAM F. FRIEDMAN" AND S. 2283, 82ED CONGRESS, 1ST SESSION, A BILL, "FOR THE RELIEF OF WILLIAM F. FRIEDMAN"12/20/1951 3 47270 FOLDER 471 A66753 41724419076369 CIVILIAN EMPLOYMENT BOARD MEETING HELD 4 APRIL 1946 4/4/1946 3 47270 FOLDER 152 A66754 41746109078531 WAR DEPARTMENT CODE CENTER TRENDS BY METHOD 9/30/1945 6 47270 FOLDER 152 A66755 41746689078588 COMMUNICATION FACILITIES PLAN 5/18/1948 4 47270 FOLDER 471 A66756 41724539076381 PERSONNEL BOARD 3/18/1946 2 47270 FOLDER 152 A66757 41746729078592 EXCURSUS ON RANDOM BY H. CAMPAIGNE 5/28/1954 7 47270 FOLDER 412 A66758 41755889079503 RECORD OF SERVICE CIVILIAN (GOVERNMENT) 2/29/1952 6 47270 FOLDER 029 A66759 41789539082853 RALPH J CANINE LETTER: TO MR STUART HEDDEN, THANKS TO MR HEDDEN TRIP TO THE AGENCY ON SHORT NOTICE TO DISCUSS BUSINESS REGARDING HAGELIN WITH GENERAL CANINE9/23/1953 AND MR FRIEDMAN 1 47270 FOLDER 368 A66761 41755589079474 PROPOSED REPLY TO MR. D. KAHN, PRESIDENT, N.Y. CIPHER SOCIETY, 27 JANUARY 1955 1/27/1955 5 47270 FOLDER 029 A66762 41789559082855 PROPOSED FIRST REVISION OF THE NSA SECURITY MANUAL 9/23/1953 1 47270 FOLDER 368 A66763 41755599079475 HANDWRITTEN FRIEDMAN NOTE RE NEW YORK CIPHER SOCIETY, 5 JANUARY 1955 1/5/1955 2 47270 FOLDER 412 A66765 41755699079485 CORRESPONDENCE FROM THE LAW OFFICES OF FISCHER, WILLIS AND PANZER TO FRIEDMAN AND COPY OF SENATE BILL S.2283 10/23/1951 5 47270 FOLDER 470 A66766 41724659076392 COMMUNICATIONS WITH THE DEPARTMENT OF STATE 9/23/1949 2 47270 FOLDER 152 A66767 41746209078541 ABSTRACTS FROM "GERMAN NAVAL COMMUNICATIONS INTELLIGENCE" VOLUME IF-210 - COPY #3, CHAPTER IV, PP 135-161 1/1/1945 22 47270 FOLDER 412 A66769 41756019079516 PROPOSED BILL FOR THE RELIEF OF MR. WILLIAM F. FRIEDMAN AND POTENTIAL CLAIM - CRYPTOLOGIC INVENTIONS 8/29/1951 4 47270 FOLDER 470 A66770 41724759076401 DELIVERY AND STORAGE OF OT PADS 8/18/1949 1 47270 FOLDER 029 A66771 41789579082857 WILLIAM F. FRIEDMAN MEMO TO TEC 9/15/1953 1 47270 FOLDER 368 A66772 41755609079476 ACKNOWLEDGEMENT OF DAVID KAHN LETTER TO POTUS DATED 28 DECEMBER 1954, 11 JANUARY 1955 1/11/1955 1 47270 FOLDER 368 A66773 41755619079477 LETTER FROM PRESIDENT, N.Y. CIPHER SOCIETY TO DIRECTOR, NSA, 28 DECEMBER 1954 12/28/1954 8 47270 FOLDER 152 A66775 41746129078533 L'INDICE DE COINCIDENCE ET SES APPLICATIONS EN CRYPTOGRAPHIE, ATTACHMENT TO KJ-6642(O), 3 AUGUST 1954 8/31/1954 5 47270 FOLDER 152 A66779 41746289078549 INTERROGATION REPORT, DS-616 1/26/1955 1 47270 FOLDER 152 A66780 41746839078603 INTERROGATION REPORT, DS-616, 20 JAN 55 1/20/1955 1 47270 FOLDER 470 A66781 41724859076414 PLAN (CONTEL 1077) 4/13/1949 1 47270 FOLDER 470 A66782 41724969076425 ONE TIME PAD MACHINE 7/29/1949 1 47270 FOLDER 470 A66783 41725179076444 UN LAKE SUCCESS REPORTS PROPOSED PLAN COMBAL 427, MAY 25 REPLACE US ENLISTED RADIO OPERATORS WITH UN CIVILIANS 6/1/1949 1 47270 FOLDER 470 A66784 41725309076456 MILITARY ASSISTANCE PROGRAM 5/19/1949 4 47270 FOLDER 470 A66785 41725399076466 SIGTOT SYSTEMS ASAT 41 AND ASAT 42 HAVE BEEN PREPARED FOR USE BETWEEN DEPARTMENT OF STATE AND THE NEWS OPERATIONS COMMITTEE IN VIENNA 5/19/1949 1 47270 FOLDER 470 A66787 41725459076472 RIAS INTERFERENCE WITH BELGRADE RADIO 5/6/1949 1 47270 FOLDER 029 A66788 41789599082859 WILLIAM F FRIEDMAN LETTER: TURNS PERSONNEL MATTER OVER TO PROPER MAN IN PERSONNEL DEPARTMENT 9/1/1953 1 47270 FOLDER 470 A66789 41725499076476 REQUEST FOR MAINTENANCE INFORMATION 4/19/1949 2 47270 FOLDER 152 A66790 41746329078557 SECTION IX - POLYGRAPHIC SUBSTITUTION SYSTEMS (REVISED COPY OF SUBJECT PAPER) 1/1/1955 77 47270 FOLDER 029 A66792 41789609082860 WILLIAM F FRIEDMAN LETTER: TO MR H P CORWITH, COL J Z MILLAR OF WESTERN UNION TEL CO. TO REPRESENT CORWITH AT NSASAB MEETING 8/27/1953 1 47270 FOLDER 152 A66793 41746439078565 MILITARY CRYPTANALYSIS COURSE, PART I, LESSON 5 - POLYGRAPHIC SUBSTITUTION: FOUR-SQUARE AND TWO-SQUARE MATRICES 1/1/1955 22 47270 FOLDER 029 A66794 41789619082861 WILLIAM F FRIEDMAN LETTER: TO COL ROBERT W GRIFFIN, USAF, NOTIFIES COL GRIFFIN OF TIME AND DATE OF ARRIVAL OF MR FRIEDMAN AT MONTGOMERY ALA WHERE HE IS TO GIVE8/18/1953 A LECTURE BEFORE THE1 C-E STAFF OFFICER COURSE ON 26 AUGUST 47270 FOLDER 152 A66796 41746979078617 PAMPHLET - THE INDEX OF COINCIDENCE 12/1/1946 28 47270 FOLDER 029 A66797 41789629082862 WILLIAM F. FRIEDMAN MEMO TO TRAINING, SUBMITS THOUGHTS FOR CONSIDERATION RELATIVE TO THE INADEQUATE ENLISTED CAREER STRUCTURE OF THE USAFASS AND THE WORK8/13/1953 DONE BY NSA'S TRAINING1 DIVISION 47270 FOLDER 152 A66798 41746409078561 RELEASE OF CRYPTOGRAPHIC INFORMATION TO SWITZERLAND 2/9/1955 1 47270 FOLDER 470 A66800 41725529076479 MAINTAINING A COMMUNICATIONS EFFORT DURING PEACE NEGOTIATIONS IN SOUTH CHINA 4/4/1949 2 47270 FOLDER 029 A66801 41789649082864 I T MCDONALD(FOR FRIEDMAN) LETTER TO MR JOHN C MCPHERSON WHICH FORWARDS INFORMATION ON DR L H THOMAS WHICH MR FRIEDMAN REQUESTED 8/13/1953 1 47270 FOLDER 151 A66802 41746769078596 EXPLICATION OF RECOMMENDATIONS OF THE TECHNOLOGICAL CAPABILITIES PANEL (TCP) 2/1/1955 4 47270 FOLDER 151 A66804 41746499078570 COMMENTS ON TCP REPORT 2/10/1955 3 47270 FOLDER 470 A66805 41725559076482 ESTABLISHMENT EXCLUSIVE RADIO STATIONS ONLY FOR SEA-LAND AND AIR-LAND COMMUNICATIONS UNDER CONTROL COMMIE TEL AND TEL BUREAU AND TRANSMISSION RESTRICTED3/23/1949 PLAIN LANGUAGE 1 47270 FOLDER 029 A66806 41789659082865 I T MCDONALD MEMO TO MR. WEAVER, LT COL MORNSTON AT ADC AGREED TO SEND DR ROBERTSON COLORED PHOTOS OF BOARD AND AIR DEFENSE OBJECTIVES PLANNING PLAN8/13/1953 WITH DESCRIPTIVE PAMPHLET1 47270 FOLDER 470 A66807 41725569076483 MATTERS PERTAINING TO PEIPING CHINA CONSULATE 3/20/1949 3 47270 FOLDER 151 A66809 41747039078623 LETTER FROM MR. FRIEDMAN TO DR. TUKEY RE THE WORD "WITTING" AS USED IN A CERTAIN SENTENCE 2/3/1955 2 47270 FOLDER 151 A66810 41747059078625 COMINT SUPPLEMENT TO PART II OF THE REPORT OF THE TECHNOLOGICAL CAPABILITIES PANEL 2/10/1955 2 47270 FOLDER 470 A66811 41725579076484 CONSULATES IN PEIPING CHINA 3/19/1949 3 47270 FOLDER 150 A66812 41746809078600 LETTER OF APPRECIATION FROM GEN. CANINE TO MR. FRIEDMAN INDORSING GEN. LYNN'S LETTER RE SERVICE RENDERED AT USAFSS CONFERENCE 4/4/1952 2 47270 FOLDER 150 A66815 41747079078627 LETTER FROM MR. FRIEDMAN TO GEN. LYNN, USAFSS, THANKING HIM FOR LETTER SENT TO GEN. CANINE RE PARTICIPATION IN COMMUNICATIONS SECURITY OFFICERS' CONFERENCE4/22/1952 1 47270 FOLDER 470 A66816 41725589076485 (URTEL 850) SECURING CONTINUATION TELEGRAPH COMMUNICATIONS SERVICE CHINA 3/17/1949 2

UNCLASSIFIED 111 UNCLASSIFIED

47270 FOLDER 150 A66817 41746939078614 LETTER OF APPRECIATION FROM GEN. LYNN, USAFSS, TO MR. FRIEDMAN FOR PRESENTATION MADE AT WORLD-WIDE COMMUNICATIONS SECURITY CONFERENCE 3/27/1952 1 47270 FOLDER 470 A66819 41725599076486 FUTURE PLANNING FOR THE STANDARDIZATION OF SIGTOT TAPE PRODUCTION EQUIPMENT 3/4/1949 1 47270 FOLDER 150 A66820 41747209078640 LETTER FROM MR. FRIEDMAN TO LT.COL. EVANS, USAFSS, RE UPCOMING PARTICIPATION IN THE COMMUNICATIONS SECURITY OFFICERS' CONFERENCE 2/1/1952 1 47270 FOLDER 470 A66821 41725609076487 SECURITY OF EMBASSY CODE ROOM, MANILA 2/28/1949 1 47270 FOLDER 150 A66823 41746919078610 LETTER OF APPRECIATION FROM LT.COL. EVANS, USAFSS, TO MR. FRIEDMAN FOR INVALUABLE ASSISTANCE WITH COMMUNICATIONS SECURITY PROGRAM DURING THE PAST TWO YEARS1/17/1952 1 47270 FOLDER 029 A66824 41789669082866 I T MCDONALD LETTER TO DR W R G BAKER-- DR BAKER INVITED TO ATTEND SESSION OF THE NSASAB SPECIAL STUDY GROUP STARTING 31 AUG THRU 11 SEPT, 8/11/1953 1 47270 FOLDER 412 A66825 41755999079514 PROPOSED BILL FOR THE RELIEF OF MR. WILLIAM F. FRIEDMAN - CRYPTOLOGIC INVENTIONS 7/23/1951 3 47270 FOLDER 029 A66827 41789679082867 TRAVEL ORDERS FOR PROFESSOR CAIRNS TO ATTEND NSASAB SPECIAL MEETINGS 8/11/1953 1 47270 FOLDER 470 A66828 41725619076488 COMMUNICATION REQUIREMENTS AT SHANGHAI 1/28/1949 1 47270 FOLDER 150 A66829 41746879078607 FRIEDMAN LETTER THANKING GEN. LYNN, USAFSS, FOR HIS LETTER OF APPRECIATION RE FRIEDMAN LECTURE AT COMMUNICATIONS SECURITY OFFICERS' CONFERENCE 4/28/1951 1 47270 FOLDER 470 A66830 41725629076489 SUSPECTED PHYSICAL COMPROMISE 1/21/1949 1 47270 FOLDER 029 A66832 41789699082869 HP ROBERTSON LETTER: DR ROBERTSON IS TRYING TO MAKE ARRANGEMENTS TO MEET ABOUT THE NSASAB'S SPECIAL GROUP 8/13/1953 1 47270 FOLDER 470 A66833 41725639076490 INTERNATIONAL TELECOMMUNICATIONS UNION HIGH FREQUENCY BROADCASTING CONFERENCE MEETING IN MEXICO CITY 12/10/1948 2 47270 FOLDER 029 A66834 41789719082871 WILLIAM F FRIEDMAN MEMO TO COM, REQUEST FOR TELEPHONES 8/5/1953 1 47270 FOLDER 150 A66835 41747009078620 RADM STONE FORWARDING LETTER OF APPRECIATION FROM GEN. LYNN FOR MR. FRIEDMAN'S LECTURE AT USAFSS CONFERENCE 4/24/1951 1 47270 FOLDER 150 A66836 41747249078644 LETTER OF APPRECIATION FROM GEN. LYNN FOR MR. FRIEDMAN'S LECTURES AT THE COMMUNICATIONS SECURITY OFFICERS' CONFERENCE, 12-16 MARCH 4/9/1951 1 47270 FOLDER 150 A66838 41747269078646 LETTER OF APPRECIATION FROM COL. LAIRD FOR MR. FRIEDMAN'S LECTURES GIVEN TO USAFSS OPERATIONS PEOPLE 3/27/1951 1 47270 FOLDER 412 A66840 41756079079522 PROPOSED BILL FOR THE RELIEF OF MR. WILLIAM F. FRIEDMAN - CRYPTOLOGIC INVENTIONS, 5 JULY 1951; ENCL 1: LETTER FROM LAW OFFICES OF FISCHER, WILLIS AND PANZER REGARDING7/5/1951 PATENT APPLICATIONS36 AND FINANCIAL COMPENSATION OF WILLIAM F. FRIEDMAN 47270 FOLDER 029 A66842 41789729082872 WILLIAM F FRIEDMAN LETTER: TO MR H H BEVERAGE, THANKS FOR SENDING PERSONAL HISTORY STATEMENT AND FINGERPRINT CARDS TO OBTAIN SPECIAL CLEARANCE 8/7/1953 1 47270 FOLDER 029 A66843 41789739082873 WILLIAM F FRIEDMAN MEMO TO SECURITY, REQUEST FOR BADGE FOR DR RICHARD C RAYMOND 8/5/1953 1 47270 FOLDER 470 A66844 41725649076491 USE OF STATE DEPT SYSTEMS BY MA AND NA AT TEL AVIV 12/1/1948 1 47270 FOLDER 470 A66845 41725659076492 CLEARANCE OF PERSONNEL 11/15/1948 1 47270 FOLDER 411 A66846 41756039079518 EFFECT OF CRITICAL GRADE LIMITATIONS ON OPERATIONS OF THE ARMY SECURITY AGENCY 3/19/1952 2 47270 FOLDER 470 A66847 41725669076493 STATE DEPARTMENT EMERGENCY DESTRUCTION PROGRAM 11/9/1948 1 47270 FOLDER 411 A66848 41756099079526 EFFECT OF CRITICAL GRADE LIMITATIONS ON OPERATIONS OF THE ARMY SECURITY AGENCY, 22 APRIL 1949 4/22/1949 53 47270 FOLDER 149 A66849 41747189078638 ARMED FORCES SECURITY AGENCY OATH FORMS 8/28/1952 6 47270 FOLDER 029 A66850 41789749082874 WILLIAM F FRIEDMAN LETTER: TO MAJOR GEN DELMAR T. SPIVEY, USAF, FOR ASSISTANCE IN ROLE OF INTELLIGENCE IN AIR DEFENSE PROBLEM 8/4/1953 1 47270 FOLDER 149 A66851 41747339078653 COMINT CLEARANCE STANDARDS AND PROCEDURES 8/17/1953 15 47270 FOLDER 410 A66853 41756419079556 APPOINTMENTS TO NSA CIVILIAN PERSONNEL SCREENING BOARD 2/7/1955 2 47270 FOLDER 029 A66854 41789759082875 H P ROBERTSON LETTER: TO BG HAROLD H BASSETT, USAF, THE SPECIAL STUDY GROUP THANKS YOU FOR ALL YOU DID FOR THEM 8/4/1953 1 47270 FOLDER 149 A66855 41747109078631 REPORT OF AD HOC COMMITTEE RE USE OF POLYGRAPH 12/16/1952 7 47270 FOLDER 410 A66856 41756239079538 MEETING OF CIVILIAN PERSONNEL SCREENING BOARD, 6 DECEMBER 1954; GS-14 AND GS-15 PROMOTION NOMINATIONS 12/6/1954 1 47270 FOLDER 410 A66858 41756309079545 MEETING OF CIVILIAN PERSONNEL SCREENING BOARD, 30 NOVEMBER 1954; GS-14 AND GS-15 PROMOTION NOMINATIONS 11/30/1954 3 47270 FOLDER 149 A66859 41747169078636 NSA MEMORANDUM NUMBER 120-26 - AFFILIATION OR ASSOCIATION WITH ORGANIZATIONS HAVING INTERESTS IN CONFLICT WITH THOSE OF THE UNITED STATES 6/3/1953 10 47270 FOLDER 029 A66860 41789779082877 WILLIAM F FRIEDMAN LETTER: TO COLONEL ROBERT W GRIFFIN, USAF, MR FRIEDMAN SCHEDULES A BRIEFING FOR THE C-E STAFF OFFICER COURSE 8/4/1953 1 47270 FOLDER 470 A66863 41725679076494 REPAIRS OF SIGROD 9/28/1948 1 47270 FOLDER 470 A66867 41725689076495 PROLONGATION OF OPERATING LICENSE FOR LORAN STATION AT VIK 9/20/1948 1 47270 FOLDER 149 A66870 41747149078634 CLEARANCE OF SCAMP PERSONNEL 5/21/1953 7 47270 FOLDER 470 A66871 41725699076496 CONSOLIDATION OF CRYPTOCENTERS AT FOREIGN MISSIONS 7/30/1948 1 47270 FOLDER 470 A66873 41725719076498 SIGNAL CORPS EQUIPMENT ON LOAN TO STATE DEPARTMENT 8/10/1948 1 47270 FOLDER 470 A66876 41725769076503 WEATHER BUREAU RELAXING BAN WITH AMATEUR RADIO STATIONS 7/30/1948 1 47270 FOLDER 149 A66877 41747369078656 RECOMMENDATIONS IN CONNECTION WITH CLEARANCE OF SCAMP PERSONNEL 4/28/1953 1 47270 FOLDER 470 A66879 41725799076506 UNSATISFACTORY COURIER SERVICE RHINE MAINE AIRPORT 7/22/1948 1 47270 FOLDER 410 A66880 41756209079535 CIVILIAN PERSONNEL SCREENING BOARD, NSA REGULATION 32-1 11/5/1954 5 47270 FOLDER 149 A66881 41747389078657 LIST OF PRESENT AND PAST MEMBERS OF THE AMERICAN MATH SOCIETY OF NSA, AFSA, NCS AND/OR ASA 1/1/1953 2 47270 FOLDER 029 A66882 41789809082880 W F FRIEDMAN MEMO TO BAKER, THOMSON, CORWITH, AND VON NEUMANN, TALKS ABOUT PLANS FOR NSASAB SPECIAL STUDY GROUP AND REQUESTS MEMBERS OF ADVISORY BOARD7/28/1953 PLAN TO ATTEND 2 47270 FOLDER 470 A66884 41725829076509 AUTHORIZATION FOR ISSUANCE OF SIGHUAD TO THE DEPARTMENT OF STATE AND THE CENTRAL INTELLIGENCE AGENCY 7/21/1948 1 47270 FOLDER 149 A66886 41747229078642 THE POLYGRAPH - MEMORANDUM FOR THE CHIEF OF STAFF RE TESTING OF ON-THE-JOB EMPLOYEES 5/11/1953 3 47270 FOLDER 470 A66887 41725879076514 SPECIAL TELECOMMUNICATIONS MISSION 7/1/1948 4 47270 FOLDER 029 A66888 41789849082884 WILLIAM F FRIEDMAN LETTER: TO DR K W ENGSTROM 7/27/1953 1

UNCLASSIFIED 112 UNCLASSIFIED

47270 FOLDER 149 A66890 41747289078648 UNITED STATES COMMUNICATIONS INTELLIGENCE BOARD DIRECTIVE #5 - USCIB STANDARDS AND PROCEDURE FOR CLEARANCE OF PERSONNEL FOR COMINT 10/25/1950 7 47270 FOLDER 149 A66891 41747329078651 OATH UPON INDOCTRINATION TO RECEIVE COMMUNICATIONS INTELLIGENCE 10/25/1950 2 47270 FOLDER 409 A66892 41789479082847 MESSAGE FROM THE CHAIRMAN, USCIB TO THE CHAIRMAN, LSIB, SUGGESTING THAT US AND UK EXPERTS CONDUCT REVIEW 1/5/1955 1 47270 FOLDER 029 A66893 41789879082887 WILLIAM F FRIEDMAN LETTER: TO MR JOHN C MCPHERSON, ACKNOWLEDGES RECEIPT OF CARBON COPY OF LTR TO DR CAIRNS OFFERING HIS SERVICES ON THE NSASAB'S STUDY GROUP7/10/1953 1 47270 FOLDER 149 A66894 41747419078660 MEMORANDUM FOR ALL HOLDERS OF USCIB DIRECTIVE NO. 5 - RELAXATION OF THE PROVISIONS OF PARAGRAPH 3(A)(1), USCIB DIRECTIVE NO. 5 7/6/1951 2 47270 FOLDER 409 A66895 41756449079559 MESSAGE FROM SUSLO TO DIRNSA 11/13/1953 2 47270 FOLDER 029 A66896 41789889082888 EDYTHE B YOUNG MEMO TO CIVPERS ATTN: MR R SIMLER, TRAVEL ORDERS FOR NSASAB MEMBERS 7/28/1953 1 47270 FOLDER 149 A66898 41747429078662 MEMORANDUM FOR ALL HOLDERS OF USCIB DIRECTIVE NO. 5 - RELAXATION OF THE PROVISIONS OF PARAGRAPH 3(A)(1), USCIB DIRECTIVE NO. 5 (24 JUL 1951) 7/24/1951 2 47270 FOLDER 470 A66899 41725899076516 POSSIBLE COMPROMISE OF AMERICAN CODE IN PARIS 6/3/1948 3 47270 FOLDER 470 A66900 41725919076518 CONSOLIDATION OF CRYPTOCENTERS AT EMBASSIES 6/3/1948 1 47270 FOLDER 029 A66901 41789909082890 WILLIAM F. FRIEDMAN LETTER: TO JOHN C. MCPHERSON, ACKNOWLEDGING RECEIPT OF CARBON COPY OF LTR TO DR. CAIRNS OFFERING HIS SERVICES ON THE NSASAB'S STUDY GROUP7/15/1953 1 47270 FOLDER 408 A66903 41879569091849 PROPOSED EXECUTIVE CONTROL CONFERENCE, 16 AUGUST 1954; NSA REGULATION NO. 10-7 8/16/1954 7 47270 FOLDER 470 A66904 41725949076521 M1A1 FOR ATTACHE BAGDAD 5/28/1948 1 47270 FOLDER 029 A66905 41789929082892 WILLIAM F FRIEDMAN LETTER: TO MR STEPHEN W DUNWELL INVITING HIM TO BECOME A MEMBER OF THE NSASAB PANEL ON ELECTRONICS 7/9/1953 1 47270 FOLDER 149 A66906 41747449078664 FRIEDMAN MEMO TO DR. LEIBLER RE OBTAINING A COPY OF "USE OF LIE DETECTOR IN ATOMIC ENERGY INSTALLATIONS" 4/27/1953 4 47270 FOLDER 029 A66908 41789939082893 WILLIAM F FRIEDMAN LETTER: TO DR E W ENGSTROM WHO WILL BE IN WASH 8 JULY TO DISCUSS HIS PRESENT OR FUTURE AVAILABILITY FOR MEMBERSHIP ON THE NSASAB 7/2/1953 1 47270 FOLDER 470 A66909 41725979076524 HANDLING CLASSIFIED MESSAGES FOR OTHER US GOVERNMENT AGENCIES 5/26/1948 2 47270 FOLDER 470 A66910 41725999076527 MAINTENANCE MIL ATTACHE AND NAVAL ATTACHE CRYPTO MACHINES 5/11/1948 1 47270 FOLDER 149 A66911 41747459078666 CONFERENCE ON INDOCTRINATION 11/7/1952 31 47270 FOLDER 470 A66913 41726039076530 REQUEST FOR ONE-TIME TAPES 5/6/1948 1 47270 FOLDER 149 A66914 41747509078670 FRIEDMAN QUERY RE PROGRESS OF AFSA-1`6 STUDY ON REVAMPING CLEARANCE PROCEDURES AND COL. MARCY'S ANSWER THAT NEW PROCEDURES WILL BE READY IN ABOUT 10 DAYS6/10/1952 1 47270 FOLDER 470 A66915 41726089076535 MAINTENANCE OF CRYPTOGRAPHIC EQUIPMENT BY DEPARTMENT OF STATE PERSONNEL 4/29/1948 1 47270 FOLDER 149 A66916 41747309078650 FRIEDMAN MEMO TO CHIEF OF STAFF RE STUDY OF PERSONNEL SECURITY PROGRAM 4/25/1952 1 47270 FOLDER 470 A66918 41726239076548 MAINTENANCE OF CRYPTOGRAPHIC EQUIPMENT BY STATE DEPARTMENT PERSONNEL 4/23/1948 1 47270 FOLDER 029 A66919 41792409083139 WILLIAM F. FRIEDMAN MEMO TO BOARD MEMBERS, MEETING OF THE EXECUTIVE GROUP FOR BOARD AFFAIRS 6/30/1953 2 47270 FOLDER 470 A66920 41726269076552 ARRANGEMENTS WITH DEPT OF STATE FOR MAINTENANCE OF MILITARY ATTACHE CIPHER MACHINES 4/13/1948 1 47270 FOLDER 407 A66921 41756369079551 NSA LONG-RANGE ESTIMATE (NSALRE) 12/13/1954 1 47270 FOLDER 470 A66922 41726319076557 ESTABLISHMENT OF A CIRCUIT BETWEEN ASA AND STATE DEPARTMENT 3/31/1947 2 47270 FOLDER 470 A66923 41726359076561 SIGTOT INSTALLATION 3/22/1948 1 47270 FOLDER 407 A66924 41756359079549 PREPARATION OF THE NSA LONG-RANGE ESTIMATE (NSALRE), 17 DECEMBER 1954 12/17/1954 19 47270 FOLDER 407 A66925 41756269079541 REQUEST FOR RESEARCH AND DEVELOPMENT INFORMATION 10/26/1954 2 47270 FOLDER 470 A66926 41726409076566 INCREASING TELETYPE TRAFFIC EFFICIENCY ON ROME-FRANKFURT DUPLEX CIRCUIT 3/1/1948 1 47270 FOLDER 407 A66927 41756569079571 AFSS LONG RANGE REQUIREMENTS, JUNE 11, 1954 6/11/1954 3 47270 FOLDER 406 A66928 41756389079553 NSA WAR AND DISASTER PLANNING, NSA REGULATION NUMBER 20-5 4/9/1954 13 47270 FOLDER 406 A66929 41756589079573 NSA WAR AND DISASTER PLANNING, 6 APRIL 1953; AFSA MEMORANDUM NO. 0-13 DTD 19 NOV 1951 4/6/1953 18 47270 FOLDER 406 A66930 41756379079552 AFSA EMERGENCY CHECK LIST, 25 SEPTEMBER 1952 9/25/1952 15 47270 FOLDER 406 A66931 41756539079569 ARMED FORCES SECURITY AGENCY DISASTER PLAN (AFSADIS) 9/9/1952 23 47270 FOLDER 405 A66933 41756879079601 NON-COMMUNICATIONS SIGNAL SURVEILLANCE ACTIVITIES; SUPPORT OF COMINT ACTIVITIES. RELATIONSHIP BETWEEN COMINT INTERCEPT AND PROCESSING ACTIVITIES AND NON-COMMUNICATIONS8/25/1952 SIGNAL7 SURVEILLANCE ACTIVITIES 47270 FOLDER 405 A66934 41756609079575 COORDINATION OF SERVICE SIGINT ACTIVITIES 7/11/1952 2 47270 FOLDER 405 A66936 41756509079566 US/UK CONFERENCE 6/28/1952 15 47270 FOLDER 404 A66937 41756479079562 RELEASE OF CCM TO THE TURKISH GOVERNMENT 5/28/1953 2 47270 FOLDER 404 A66938 41756459079560 RELEASE OF CCM TO THE TURKISH GOVERNMENT, 14 APRIL 1953; RELEASE OF CCM TO TURKISH GOVERNMENT DTD 8 APRIL 1953, SER: CIB 00037 4/14/1953 4 47270 FOLDER 404 A66939 41756959079609 RELEASE OF CCM TO THE TURKISH GOVERNMENT, 24 FEBRUARY 1953; REWORDED VERSION OF DRAFT MEMO, RELEASE OF CCM TO TURKISH GOVERNMENT 2/24/1953 5 47270 FOLDER 029 A66940 41792489083147 WILLIAM F FRIEDMAN LETTER: TO MR JOHN C MCPHERSON, INVITATION TO BECOME A MEMBER OF THE NSASAB PANEL ON ELECTRONICS 6/30/1953 3 47270 FOLDER 404 A66942 41756669079581 SECURITY OF ALLIED COMMUNICATIONS 2/13/1953 2 47270 FOLDER 404 A66943 41756799079593 COMMUNICATIONS SECURITY 2/10/1953 10 47270 FOLDER 404 A66944 41756709079585 TURKISH AND PORTUGUESE ISSUES 1/8/1953 3 47270 FOLDER 404 A66948 41756729079587 TURKISH AND PORTUGUESE CRYPTOGRAPHIC PRACTICES, 10 DECEMBER 1952; REPORTING NATO INFORMATION 12/10/1952 8 47270 FOLDER 404 A66951 41756639079578 RELEASE OF CCM TO THE TURKISH GOVERNMENT 1/21/1953 5 47270 FOLDER 404 A66952 41756689079583 RELEASE OF THE CCM TO TURKEY FOR DIPLOMATIC COMMUNICATIONS 7/11/1952 1

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47270 FOLDER 404 A66954 41756759079589 RELEASE OF THE CCM TO TURKEY FOR DIPLOMATIC COMMUNICATIONS, 11 JULY 1952 7/11/1952 6 47270 FOLDER 404 A66955 41756809079594 RELEASE TO TURKEY OF CRYPTOGRAPHIC DEVICE 6/16/1952 5 47270 FOLDER 404 A66956 41756819079596 COMMUNICATIONS SECURITY 9/23/1952 5 47270 FOLDER 029 A66957 41793579083256 WILLIAM F FRIEDMAN LETTER: TO MR STEPHEN W DUNWELL, APOLOGIZES FOR A MISUNDERSTANDING AND EXTENDS AN INVITATION TO BECOME A MEMBER OF THE NSASAB 6/29/1953 1 47270 FOLDER 029 A66962 41792549083152 RALPH J CANINE MEMO TO PROFESSOR STEWART S CAIRNS, THANK YOU TO THE CHAIRMAN AND MEMBERS OF NSASAB WHO PARTICIPATED IN THE 11-12 JUNE CONFERENCE 6/26/1953 3 47270 FOLDER 421 A66963 41756029079517 PERSONAL NOTES REGARDING CONCERNS 1/1/1954 2 47270 FOLDER 421 A66964 41756049079519 MINUTES OF THE FIRST MEETING OF THE U.S. DELEGATION AT THE JUNE 1954 UKUSA CONFERENCE 6/21/1954 3 47270 FOLDER 470 A66966 41726449076570 CONFERENCE TOT FACILITIES ON MOVE EUCOM TO HEIDELBERG 3/18/1949 1 47270 FOLDER 470 A66967 41726499076573 PROPOSED CIRCULAR LETTER; PERSONNEL- INVESTIGATION AND CLEARANCE FOR CRYPTOGRAPHIC DUTIES 3/16/1948 1 47270 FOLDER 470 A66968 41726529076577 DESIGNATION OF ASA PERSONNEL AS DIPLOMATIC COURIERS 3/16/1948 1 47270 FOLDER 470 A66969 41726549076579 JCS POLICY REGARDING USE OF CLASSIFIED CODE WORDS 3/11/1948 1 47270 FOLDER 470 A66970 41726589076584 ONE TIME TAPES PRODUCED FOR THE DEPARTMENT OF STATE 3/11/1948 1 47270 FOLDER 470 A66971 41726699076595 DIFFICULTY ISSUANCE SIGROD TO NEW DELHI, KARACHI, SINGAPORE 3/9/1948 1 47270 FOLDER 470 A66972 41726729076598 DISPOSITION OF 8 SIGMY & 8 SIGGOO ISSUED STATE DEPARTMENT 3/8/1948 1 47270 FOLDER 470 A66973 41726769076603 ISSUANCE OF SIGROD 3/3/1948 1 47270 FOLDER 470 A66974 41726809076606 DISPOSITION SIGMYC AND SIGGOO 2/27/1948 1 47270 FOLDER 470 A66975 41726829076608 REQUEST PRODUCTION OF ONE TIME TAPES FOR DEPARTMENT OF STATE 2/26/1948 1 47270 FOLDER 149 A66976 41747399078659 LETTER FROM COL. WYMAN TO DIRECTOR, AFSA, THRU MR. FRIEDMAN RE AFSA PERSONNEL SECURITY PROGRAM 4/23/1952 10 47270 FOLDER 470 A66977 41726859076611 JOINT USE OF CODE ROOM IN MANILA, PHILIPPINE ISLANDS 2/20/1948 1 47270 FOLDER 470 A66978 41726889076614 REQUEST PRODUCTION OF ONE TIME TAPES FOR STATE DEPARTMENT 2/19/1948 1 47270 FOLDER 029 A66979 41792509083149 WILLIAM F FRIEDMAN LETTER: TO STEWART, TRYING TO GET ROBERTSON TO TAKE ON CHAIRMANSHIP OF A COMMITTEE 6/25/1953 1 47270 FOLDER 470 A66980 41726919076617 REQUEST STATE DEPARTMENT REPAIRMAN 2/18/1948 1 47270 FOLDER 029 A66981 41792429083141 WILLIAM F FRIEDMAN MEMO TO CHIEF OF STAFF, CATEGORIES OF NSA SPECIALTIES AND SKILLED PERSONNEL 6/25/1953 2 47270 FOLDER 470 A66982 41726949076620 ARRANGEMENTS TO HAVE THE DEPARTMENT OF STATE MAINTAIN MILITARY ATTACHE SIGROD MACHINES 2/17/1948 1 47270 FOLDER 029 A66983 41792579083156 WILLIAM F FRIEDMAN LETTER: TO MR HAROLD H BEVERAGE, ACKNOWLEDGES HIM AS A PROSPECTIVE NSASAB PANEL MEMBER 6/25/1953 1 47270 FOLDER 470 A66984 41726989076624 REPORT OF CONTACTS OUTSIDE OF SECURITY DIVISION 2/16/1948 1 47270 FOLDER 470 A66985 41727029076628 REPORTING OF CONTACTS OUTSIDE OF SECURITY DIVISION 2/14/1946 1 47270 FOLDER 470 A66986 41727089076635 REPORT OF CONTACTS OUTSIDE OF SECURITY DIVISION 2/13/1948 1 47270 FOLDER 470 A66987 41727189076646 DEPARTMENT OF STATE MAINTENANCE OF MILITARY ATTACHE CRYPTOGRAPHIC MACHINES 1/1/1948 2 47270 FOLDER 149 A66990 41747539078672 LCDR GLEASON'S TRIP REPORT TO AMERICAN MATHEMATICAL SOCIETY SECTIONAL MEETING IN CHICAGO, APRIL 25-26, FOR AFSA RECRUITING PURPOSES 5/13/1952 3 47270 FOLDER 470 A66991 41727319076659 CONSOLIDATION OF CODE ROOMS AT THE AMERICAN EMBASSY, MOSCOW, USSR 2/2/1948 1 47270 FOLDER 470 A66993 41727439076671 WHAT PLANS MADE FOR MAINTENANCE SIGROD NEW DELHI 1/23/1948 1 47270 FOLDER 149 A66994 41747489078668 DESCRIPTION OF A POLYGRAPH AND EXAMPLES OF ITS USE 4/14/1953 4 47270 FOLDER 470 A66996 41727539076679 JOINT CODE ROOM AT AMERICAN EMBASSY, MANILA 1/21/1948 1 47270 FOLDER 470 A66998 41727579076683 STATE DEPT SUPPLYING NAVY TYPE LOCKERS 1/20/1948 1 47270 FOLDER 149 A66999 41747559078675 BASIS OF INELIGIBILITY OF HOMOSEXUALS FOR GOVERNMENT EMPLOYMENT, APR 1953 4/2/1953 2 47270 FOLDER 029 A67000 41793459083244 WILLIAM F FRIEDMAN LETTER: TO STEWART, ASKS THAT ROBERTSON BE CONTACTED AND ASKED TO TAKE THE CHAIRMANSHIP OF THE COMMITTEE 6/25/1953 1 47270 FOLDER 029 A67001 41792759083174 INVESTIGATION OF THE TV FILM "VENETIAN INCIDENT" 6/23/1953 1 47270 FOLDER 149 A67002 41747649078684 LETTER FROM COL. MARCY TO MESSRS. RAVEN, CAMPAIGN, SHAW, SHINN RE REPORT ON THE USE OF THE POLYGRAPH AND THE DIRECTOR'S DECISION TO USE THE POLYGRAPH 4/3/1953 1 47270 FOLDER 470 A67005 41727599076685 NAVAL ATTACHE ANKARA WISHES TO EMPLOY SIGROD 1/16/1948 1 47270 FOLDER 149 A67006 41747669078686 A NEW EMPLOYEE'S IMPRESSIONS - MEMORANDUM FROM COL. MARCY 4/4/1953 1 47270 FOLDER 470 A67008 41727639076689 ONE TIME TAPES PRODUCED FOR THE DEPT OF STATE 12/4/1947 1 47270 FOLDER 149 A67009 41747699078688 MEMORANDUM FOR COL. MARCY FROM MR. FRIEDMAN RE "RCSS REPORT ON POLYGRAPH", DATED 7 NOVEMBER 1952 4/2/1953 1 47270 FOLDER 029 A67010 41792709083169 WILLIAM F FRIEDMAN LETTER: TO DR ELMER W ENGSTROM, THIS IS AN INQUIRY AS TO DR ENGSTROM'S PRESENT OR FUTURE AVAILABILITY FOR MEMBERSHIP ON THE NSASAB 6/19/1953 1 47270 FOLDER 470 A67012 41727669076692 DDI CAO, POSTPONEMENT INSTALLATION SIGTOT UNTIL PERMANENT QUARTERS AVAILABLE URTEL 3881 12/5/1947 1 47270 FOLDER 149 A67013 41747609078680 STATISTICAL STUDY ON THE USE OF THE POLYGRAPH AS A PERSONNEL SECURITY SCREENING AID 1/1/1953 19 47270 FOLDER 029 A67014 41792559083154 WILLIAM F FRIEDMAN MEMO TO C/S, WANTS TO SEND LETTERS OF APPRECIATION TO THOSE WHO PUT RECENT US/UK CONFERENCE TOGETHER 6/19/1953 1 47270 FOLDER 470 A67015 41727699076695 INSTALLATION SIGTOT EMBTEL 3721 AT ROME 12/1/1947 1 47270 FOLDER 149 A67017 41747579078677 HANDWRITTEN NOTES RE MR. SACKWON AND MR. FERGUSON 3/31/1953 3 47270 FOLDER 470 A67018 41727729076698 STATE DEPT TOT INSTALLATION AT ROME 12/1/1947 1

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47270 FOLDER 470 A67020 41727769076701 MAINTENANCE TELETYPE EQUIPMENT 11/28/1947 1 47270 FOLDER 029 A67021 41792799083178 WILLIAM F FRIEDMAN LETTER: TO MR HAROLD H BEVERAGE, MR BEVERAGE IS A PROSPECTIVE NSASAB PANEL MEMBER 6/16/1953 1 47270 FOLDER 029 A67022 41792669083165 WILLIAM F FRIEDMAN LETTER: TO DIRECTOR, MIT ELECTRONICS RESEARCH LAB, RECEIPT FOR COPY OF "A BIBLIOGRAPHY OF INFORMATION THEORY" 6/5/1953 1 47270 FOLDER 470 A67023 41727789076704 INSTALL ONE TIME TAPE CRYPTO SYSTEM (SIGTOT) IN TOKYO EMBASSY 11/20/1947 1 47270 FOLDER 470 A67024 41727829076707 STATE DEPARTMENT SIGTOT REQUIREMENTS 11/7/1947 1 47270 FOLDER 029 A67025 41792769083175 WILLIAM F FRIEDMAN MEMO TO EXECUTIVE SECRETARY, ASA, SUGGESTION NO. 53-13 RECOMMENDS CONSOLIDATING THE DISTRIBUTION OF CRYPTOMATERIAL BY ESTABLISHING JOINT5/29/1953 DISTRIBUTION OFFICES1 47270 FOLDER 470 A67026 41727889076714 INSTALLATION SIGTOT EMBASSY AT ROME 11/7/1947 1 47270 FOLDER 470 A67027 41727929076718 INSTALLATION TOT EMBASSIES AT ROME AND NANKING 11/5/1947 1 47270 FOLDER 470 A67028 41727959076720 ONE TIME TAPES FOR DEPT STATE 11/5/1947 1 47270 FOLDER 470 A67030 41727989076724 ARMY, NAVY AND STATE DEPTS DO NOT APPROVE JOINT CODE ROOM 10/17/1947 2 47270 FOLDER 470 A67031 41728039076729 LIST OF ONE TIME TAPES 10/6/1947 2 47270 FOLDER 470 A67033 41728099076735 STATE DEPT PROGRAM FOR PERMANENT SECURITY OFFICERS 9/11/1947 1 47270 FOLDER 470 A67035 41728139076739 ESTABLISHMENT OF JOINT CRYPTO CENTERS 8/29/1947 4 47270 FOLDER 029 A67036 41792619083160 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR JOHN VON NEUMANN, REGRET THAT THE PROFESSOR WILL NOT ATTEND NSASAB MEETING, THANKS FOR LIST OF NOMINEES FOR THE 5/29/1953THREE PANEL POSITIONS 1 47270 FOLDER 029 A67037 41792989083197 ALFRED R MARCY MEMO TO CHIEF, ARMY SECURITY AGENCY, THANKS FOR MAKING THE VISIT A MEMORABLE ONE 6/2/1953 1 47270 FOLDER 029 A67038 41792739083172 WILLIAM F FRIEDMAN MEMO TO MEMBERS OF NSA CLASSIFICATION ADVISORY PANEL, REQUESTS FOR NAVIGATIONAL AID INFORMATION 5/27/1953 1 47270 FOLDER 470 A67039 41728179076743 PRODUCTION OF ONE TIME TAPES FOR STATE DEPARTMENT 8/14/1947 1 47270 FOLDER 029 A67040 41792819083180 WILLIAM F FRIEDMAN LETTER: RECEIPT OF LETTER AND FORMS, WILL NOT CONTACT ANY REFERENCES UNTIL CERTAIN THERE IS A VACANCY SUITABLE 5/26/1953 1 47270 FOLDER 470 A67041 41728209076745 CONFIRM VERBAL REQUEST 8/4/1947 2 47270 FOLDER 470 A67042 41728259076751 MAINTENANCE CRYPTO EQUIPMENT MILITARY ATTACHE OFFICES 8/1/1947 1 47270 FOLDER 029 A67043 41792839083182 WILLIAM F FRIEDMAN LETTER: TO MR H P CORWITH, CORWITH CAN NOT ATTEND AND SUGGESTED HAVING COLONEL J Z MILLER ATTEND AS HIS ALTERNATE 5/26/1953 2 47270 FOLDER 470 A67044 41728289076754 REQUEST FOR ONE-TIME TAPES 7/21/1947 1 47270 FOLDER 470 A67045 41728319076756 REQUEST ONE-TIME TAPES 7/3/1947 1 47270 FOLDER 470 A67047 41728359076761 REQUEST FOR SIGHUAD SYSTEM 7/1/1947 1 47270 FOLDER 470 A67048 41728389076764 REQUEST FOR THE SIGHUAD SYSTEM 6/30/1947 1 47270 FOLDER 029 A67049 41793009083199 WILLIAM F FRIEDMAN MEMO TO US MILITARY REPRESENTATIVE, SHAPE, PASS TO GENERAL ANDENBRANDT FROM GEN CANINE 5/25/1953 2 47270 FOLDER 470 A67050 41728409076766 ESTABLISHMENT OF NEW TIE LINES 6/23/1947 1 47270 FOLDER 421 A67059 41756069079521 U.S. POSITION ON THIRD PARTY AGREEMENTS 2/10/1953 5 47270 FOLDER 404 A67060 41756779079591 HANDWRITTEN NOTE REFERRING TO CCMS SENT TO SHAPE 1/1/1952 1 47270 FOLDER 470 A67061 41728429076768 ONE TIME TAPES FOR STATE DEPT 2/28/1947 1 47270 FOLDER 421 A67062 41756089079523 1954 CONFERENCE GUIDE 6/1/1954 8 47270 FOLDER 470 A67063 41728459076771 REQUEST FOR ROTORS 1/30/1947 1 47270 FOLDER 470 A67066 41728509076776 STATE DEPT ONE TIME TAPES 1/21/1947 2 47270 FOLDER 470 A67069 41728539076779 ALPHABET STRIPS TO BE PRODUCED FOR THE DEPARTMENT OF STATE 12/11/1946 1 47270 FOLDER 029 A67070 41792899083188 ALFRED R MARCY LETTER: TO MR JOHN L CRONKRITE, INFORMATION CONCERNING THE CIVILIAN SERVICE RECORD OF MR WILLIAM F FRIEDMAN AN EMPLOYEE OF THIS AGENCY IS FURNISHED5/18/1953 AS REQUESTED 2 47270 FOLDER 470 A67071 41728569076783 CRYPTOGRAPHIC REQUIREMENTS FOR DEPARTMENT OF STATE, CALENDAR YEAR 1947 11/15/1946 3 47270 FOLDER 421 A67072 41756109079524 PROPOSED PROCEDURE FOR SUPPLYING TECHNICAL INFORMATION 7/9/1954 2 47270 FOLDER 470 A67073 41728629076788 REQUEST FOR MATERIAL 11/12/1946 1 47270 FOLDER 029 A67076 41793099083208 WILLIAM F FRIEDMAN LETTER: TO DIRECTOR, MIT ELECTRONICS RESEARCH LAB, ASKS FOR A COPY OF FEBRUARY 2, 1953 COMPILATION ENTITLED "A BIBLIOGRAPHY OF INFORMATION5/22/1953 THEORY" BY F L STUMPERS1 47270 FOLDER 470 A67077 41728679076793 ONE TIME TAPES TO BE FURNISHED TO STATE DEPT 11/7/1946 1 47270 FOLDER 404 A67078 41756849079598 AFSA INTERNAL CORRESPONDENCE 4/28/1952 2 47270 FOLDER 470 A67081 41728719076797 UTILIZATION OF WAR DEPARTMENT CRYPTO-SYSTEMS BY STATE DEPARTMENT AGENCIES 10/7/1946 1 47270 FOLDER 470 A67083 41728749076800 UTILIZATION OF WAR DEPARTMENT CRYPTOSYSTEMS BY STATE DEPARTMENT AGENCIES 10/25/1946 3 47270 FOLDER 421 A67084 41756129079527 TELEPHONE EXTENSIONS ON THE CARLTON HOUSE TERRACE SWITCHBOARD 6/30/1954 2 47270 FOLDER 470 A67085 41728779076803 PRODUCTION OF CRYPTOGRAPHIC MATERIAL 5/9/1946 1 47270 FOLDER 403 A67087 41756839079597 SECURITY ISSUE 12/1/1955 2 47270 FOLDER 470 A67088 41728799076805 CRYPTOGRAPHIC MATERIAL SUPPLIED BY THE ARMY SECURITY AGENCY 5/9/1946 1 47270 FOLDER 470 A67089 41728829076807 RECEIPT FOR MATERIAL 9/26/1946 1 47270 FOLDER 402 A67090 41757219079635 INDECIPHERABLE TELEGRAM 9/16/1952 2 47270 FOLDER 470 A67092 41728879076813 REQUEST FOR ADDITIONAL ONE TIME TAPES 5/29/1946 1

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47270 FOLDER 402 A67093 41757279079642 REPEATED MESSAGE 2/29/1952 4 47270 FOLDER 470 A67094 41728899076815 ONE TIME TAPE REQUESTS 5/15/1946 2 47270 FOLDER 029 A67097 41792969083196 WILLIAM F FRIEDMAN MEMO TO V/DIR, CLEARANCE OF SCAMP PERSONNEL 5/21/1953 7 47270 FOLDER 470 A67101 41728939076819 INSTALLATION OF SECURE TELETYPEWRITER FACILITIES BETWEEN THE MILITARY INTELLIGENCE DIVISION AND THE DEPARTMENT OF STATE 3/14/1946 1 47270 FOLDER 402 A67102 41757039079617 DIPLOMATIC CORRESPONDENCE 2/13/1952 9 47270 FOLDER 029 A67103 41792859083184 WILLIAM F FRIEDMAN MEMO TO GENERAL CANINE, SCAMP 1953, A SPECIAL SYMPOSIUM OF A SPECIAL COMMITTEE ADVISING ON MATHEMATICAL PROBLEMS (SCAMP) 5/18/1953 2 47270 FOLDER 402 A67104 41756909079604 CONFIRMATION 6/3/1952 2 47270 FOLDER 470 A67105 41728969076822 SYSTEM SIGKMF AND ASSOCIATED TAPES FOR USE ON THE SIGTOT CIRCUIT BETWEEN DEPARTMENT OF STATE AND PENTAGON 3/15/1946 1 47270 FOLDER 029 A67106 41792949083193 WILLIAM F FRIEDMAN LETTER TO STEWART, INFORMS ABOUT A LETTER GOING OUT TO BOARD MEMBERS AND TALKS ABOUT THE SCAMP PROGRAM 6/14/1953 1 47270 FOLDER 402 A67107 41756859079599 SECURITY ISSUE 9/11/1951 2 47270 FOLDER 402 A67108 41756989079612 HANDWRITTEN NOTE REFERRING TO TYPEX MAINTENANCE TRAINING 1/1/1952 1 47270 FOLDER 470 A67109 41728999076825 UNIDENTIFIED NOTE 3/18/1946 1 47270 FOLDER 029 A67110 41792889083187 WILLIAM F FRIEDMAN LETTER: TALKS ABOUT THE PROFESSOR NOT RECEIVING HIS LETTER AND ALSO ABOUT THE FORMS BEING SENT 5/7/1953 1 47270 FOLDER 029 A67111 41793059083204 WILLIAM F FRIEDMAN MEMO TO C/SEC, DISPOSITION OF EMPTY TAPE REELS 5/7/1953 1 47270 FOLDER 470 A67112 41729039076829 INSTALLATION OF SECURE TELETYPEWRITER FACILITIES BETWEEN THE MILITARY INTELLIGENCE DIVISION AND THE DEPARTMENT OF STATE 3/15/1946 1 47270 FOLDER 470 A67114 41729069076832 ASSIGNMENT OF OFFICER TO STATE DEPARTMENT 1/30/1946 6 47270 FOLDER 470 A67115 41729109076836 ONE TIME TAPES FOR STATE DEPARTMENT 1/11/1946 1 47270 FOLDER 470 A67116 41729149076840 ONE TIME TAPES FOR STATE DEPT 11/20/1945 1 47270 FOLDER 029 A67117 41792929083191 LETTER FROM DIRNSA TO SECRETARY OF THE ARMY RE WILLIAM FRIEDMAN'S RESERVE STATUS 5/6/1953 1 47270 FOLDER 420 A67118 41756139079528 EXTRACT FROM THE MINUTES OF THE 86TH USCIB MEETING: ALLIED (NATO) COMMUNICATION SECURITY 6/9/1953 1 47270 FOLDER 420 A67119 41756169079531 MEMORANDUM FOR THE CHAIRMAN, U.S. DELEGATION: ALLIED (NATO) COMMUNICATION SECURITY 6/1/1953 2 47270 FOLDER 420 A67120 41756179079532 SPECIAL SESSION BY USCIB FOR REPORT REVIEW 5/29/1953 1 47270 FOLDER 420 A67121 41756199079534 RECOMMENDATIONS OF US DELEGATION TO THE US/UK CONFERENCE ON FRENCH AND ALLIED COMSEC 5/28/1953 1 47270 FOLDER 420 A67122 41756219079536 RECOMMENDATIONS OF SECURITY INVESTIGATIONS 5/23/1953 1 47270 FOLDER 470 A67126 41729179076843 CONFIRMATION FOR ONE TIME TAPES FOR STATE DEPARTMENT 10/24/1945 1 47270 FOLDER 470 A67128 41729199076845 CONFIRMATION FOR ONE TIME TAPES FOR DEPARTMENT STATE 10/2/1945 1 47270 FOLDER 470 A67129 41729229076848 CRYPTOGRAPHIC MATERIALS FOR DEPARTMENT OF STATE 8/30/1945 2 47270 FOLDER 470 A67130 41729249076850 NOTES ON CONFERENCE BETWEEN REPRESENTATIVES OF THE SIGNAL SECURITY AGENCY AND THE STATE DEPARTMENT 11/19/1943 3 47270 FOLDER 470 A67131 41729269076852 SUMMARY REPORT OF COMMITTEE APPOINTED TO RESURVEY CRYPTOGRAHIC SYSTEMS EMPLOYED BY THE DEPARTMENT OF STATE 1/14/1944 15 47270 FOLDER 470 A67132 41729289076854 REPORT OF SPECIAL COMMITTEE TO INVESTIGATE SECURITY OF STATE DEPARTMENT COMMUNICATIONS 6/26/1941 22 47270 FOLDER 402 A67133 41756889079602 EVALUATION OF PORTUGUESE COMMUNICATION SECURITY 10/12/1951 1 47270 FOLDER 470 A67134 41729309076856 CIPHER MACHINES FOR THE STATE DEPARTMENT; CROSS REFERENCE SHEET 11/1/1944 1 47270 FOLDER 402 A67135 41756899079603 EVALUATION OF PORTUGUESE COMMUNICATION SECURITY 10/22/1951 3 47270 FOLDER 470 A67136 41729329076858 ONI "BRIEF OF TELEGRAMS OF DEPARTMENT OF STATE" 6/19/1943 4 47270 FOLDER 402 A67137 41756919079606 PORTUGUESE COMMUNICATIONS SECURITY 10/8/1951 67 47270 FOLDER 470 A67138 41729349076860 ONI "BRIEF OF TELEGRAMS OF DEPARTMENT OF STATE" 5/11/1943 3 47270 FOLDER 402 A67139 41757549079668 NOTE REFERRING TO PROPOSED REGULATIONS AND PROVISIONS FOR IMPROVING THE SECURITY OF NATO COMMUNICATIONS 8/29/1951 2 47270 FOLDER 420 A67140 41756229079537 RESPONSE TO UNIDENTIFIED MESSAGE REGARDING FOR COLONEL BONNEFOUS WHO IS NOW IN GERMANY 5/22/1953 1 47270 FOLDER 402 A67142 41757129079626 HANDWRITTEN NOTE REFERRING TO PENDING REVIEW OF THE USCIB PAPER 1/1/1952 2 47270 FOLDER 420 A67143 41756249079539 MINUTES OF FIRST MEETING FRENCH U.S. CONFEREES SECURITY CONFERENCE 5/18/1953 3 47270 FOLDER 470 A67144 41729369076862 MESSAGES IN QUESTION IN - "BRIEF OF TELEGRAMS OF DEPARTMENT OF STATE" 4/26/1943 1 47270 FOLDER 470 A67145 41729399076865 REPORT ON CODES AND CIPHERS 3/12/1943 1 47270 FOLDER 420 A67147 41756259079540 MINUTES OF SECOND MEETING US CONFEREES FRENCH COMMUNICATIONS SECURITY CONFERENCE 5/25/1953 6 47270 FOLDER 420 A67148 41789499082849 MINUTES OF THIRD MEETING US CONFEREES FRENCH COMMUNICATIONS SECURITY CONFERENCE 5/28/1953 7 47270 FOLDER 420 A67150 41756279079542 MINUTES OF FOURTH MEETING US CONFEREES FRENCH COMMUNICATIONS SECURITY CONFERENCE 6/2/1953 7 47270 FOLDER 466 A67151 41729429076868 ESTABLISHMENT OF CIVILIAN EMPLOYMENT BOARD 3/25/1946 1 47270 FOLDER 402 A67152 41757189079632 PORTUGUESE COMMUNICATION SECURITY; REPORT OF THE USCIB COORDINATOR TO THE UNITED STATES COMMUNICATIONS INTELLIGENCE BOARD ON PORTUGUESE COMMUNICATION7/13/1951 SECURITY 17 47270 FOLDER 419 A67153 41756289079543 U.S. REPRESENTATION AND COMMITTEES FOR BRUSA COMSEC CONFERENCE, SEPTEMBER 1950 9/30/1950 2 47270 FOLDER 466 A67154 41729459076871 PERSONNEL BOARD 3/18/1946 6 47270 FOLDER 419 A67155 41756319079546 BUILDING LAYOUT FOR BRUSA CONFERENCE, SEPTEMBER 1950 9/30/1950 1

UNCLASSIFIED 116 UNCLASSIFIED

47270 FOLDER 466 A67156 41729489076874 PERSONNEL CONTROL 11/30/1944 6 47270 FOLDER 466 A67157 41729559076881 PERSONNEL CONTROL COMMITTEE OPERATION AT SIGNAL CORPS INSTALLATIONS 2/17/1945 8 47270 FOLDER 402 A67158 41757159079629 COMINT INDOCTRINATION OF U. S. MEMBER OF NATO SECURITY COORDINATING COMMITTEE 6/19/1951 5 47270 FOLDER 377 A67159 41755629079478 SECURITY VIOLATIONS, 01 JANUARY 1948; MEMOIRS OF CORDELL HULL 1/1/1948 1 47270 FOLDER 466 A67160 41729589076884 PERSONNEL GRAPHIC 1/1/1945 1 47270 FOLDER 402 A67161 41757089079622 BACKGROUND INFORMATION ON USCIB: 23/22 (PORTUGUESE SECURITY) 5/1/1951 5 47270 FOLDER 377 A67162 41755649079480 HAMPTON ROADS TO ALGIERS; TO THE CONFERENCE; VERBAL EXPLANATION OF BRIEFING SLIDES, 9 MAY 1952 5/9/1952 1 47270 FOLDER 419 A67163 41756329079550 REPORTS OF THE UNITED KINGDOM-UNITED STATES COMMUNICATION SECURITY CONFERENCE 11/4/1950 187 47270 FOLDER 466 A67164 41729649076892 ANALYSIS OF SEPARATIONS 2/18/1945 18 47270 FOLDER 418 A67165 41756399079555 REPORT OF THE U.K./U.S. COMMUNICATIONS SECURITY CONFERENCE HELD IN LONDON IN JULY 1951 8/17/1951 35 47270 FOLDER 402 A67167 41757329079646 PROPOSAL IN SUPPORT OF NATIONAL STANDARDS FOR TYPEX 8/3/1951 1 47270 FOLDER 466 A67168 41729709076896 RESIGNATIONS 5 - 11 NOVEMBER 1944 11/11/1944 2 47270 FOLDER 418 A67169 41756679079582 REPORT OF THE UK/US COMMUNICATION SECURITY CONFERENCE, 1951 BRIEFING SHEET FOR THE CHAIRMAN (AGENDA ITEM NUMBER 4) 10/29/1951 1 47270 FOLDER 402 A67170 41757109079624 PROGRAM FOR IMMEDIATE REMEDIAL MEASURES TO CORRECT THE INSECURITY OF PORTUGUESE COMMUNICATIONS 1/1/1951 3 47270 FOLDER 466 A67171 41729759076901 SEPARATION INVOLVING REFUND OF TRANSPORTATION -11 NOVEMBER 1944 11/11/1944 1 47270 FOLDER 029 A67172 41793039083202 STATUS OF NATO CRYPTOSYSTEMS; MEMO FROM WILLIAM FRIEDMAN TO DR. SHINN 4/29/1953 2 47270 FOLDER 418 A67173 41756699079584 MEMORANDUM: U.S.-U.K. COMMUNICATION SECURITY CONFERENCE: REQUEST FOR AGENDA, ORGANIZATION OF COMMITTEES, AND NOMINATION OF U.S. REPRESENTATIVES 3/13/1951 1 47270 FOLDER 466 A67174 41729789076903 REPORT OF TRANSPORTATION REQUESTS FOR RECRUITMENT PROGRAM 11/13/1944 1 47270 FOLDER 402 A67176 41757179079631 PLAN FOR THE PROVISION OF CRYPTO CHANNELS FOR NORTH ATLANTIC TREATY ORGANIZATION COMMUNICATIONS DURING THE PLANNING STAGE USING TYPEX II AND SIMPLEX SETTINGS--PLUGBOARD4/27/1951 SETTING1 KEYS AND BOOKS OF SETTINGS 47270 FOLDER 418 A67177 41756719079586 LONDON COMMUNICATIONS SECURITY CONFERENCE TIME AND ATTENDANCE 3/15/1951 1 47270 FOLDER 417 A67179 41756939079607 U.K./U.S. COMMUNICATION SECURITY CONFERENCE, AGENDA ITEM 2 - 1952 REPORT 6/17/1952 2 47270 FOLDER 029 A67180 41793029083200 OFFICE OF COMMUNICATION SECURITY REPRESENTATION ON THE CLASSIFICATION ADVISORY PANEL; COMMENTS FROM WILLIAM FRIEDMAN TO CHIEF OF STAFF 5/4/1953 1 47270 FOLDER 466 A67181 41729809076905 ANALYSIS OF RESIGNATIONS WEEK ENDING 4 NOVEMBER 1944 11/4/1944 6 47270 FOLDER 417 A67182 41756979079611 REPORTS OF THE UK/US COMMUNICATION SECURITY CONFERENCE - AGENDA ITEM NUMBER 3 1/22/1951 1 47270 FOLDER 029 A67184 41793269083225 WILLIAM FRIEDMAN LETTER TO UNIVERSITY OF OKLAHOMA PROFESSOR RE POSSIBLE EMPLOYMENT 5/1/1953 1 47270 FOLDER 417 A67186 41757009079614 REPORT TO THE BRITISH AND US CHIEFS OF STAFF BY THE BRITISH/US COMMUNICATION SECURITY EXPLORATORY CONFERENCE 9/30/1950 14 47270 FOLDER 466 A67187 41729829076907 OFFICER PERSONNEL ALLOTMENT 12/22/1944 11 47270 FOLDER 029 A67188 41793139083212 LETTER OF TRANSMITTAL FOR ASA DISCUSSION TOPICS; LETTER FROM WILLIAM FRIEDMAN TO A/AG, HQ ASA 4/28/1953 1 47270 FOLDER 402 A67189 41757149079628 TYPEX SIMPLEX FOR NATIONAL USE 7/9/1951 5 47270 FOLDER 402 A67192 41757259079639 SURVEY OF COMPROMISES OF NATO SECURITY 7/9/1951 6 47270 FOLDER 029 A67193 41793079083206 LETTER FROM WILLIAM FRIEDMAN TO ADMIRAL REDMAN OF WESTERN UNION; REGARDING INSTALLATION OF TELEKRYPTON 2-D 5/1/1953 1 47270 FOLDER 029 A67194 41793179083216 NSA PARTICIPATION IN NATO AND USSA SECURITY RESPONSIBILITIES; COMMENT FROM WILLIAM FRIEDMAN TO SECURITY 4/10/1953 1 47270 FOLDER 417 A67196 41757069079620 REPORT TO THE BRITISH CHIEFS OF STAFF AND THE US CHIEFS OF STAFF OF THE UK/US COMMUNICATIONS SECURITY EXPLORATORY CONFERENCE (REWRITE) 9/30/1950 7 47270 FOLDER 466 A67197 41729849076909 MINUTES OF THE PERSONNEL CONTROL COMMITTEE MEETING HELD 22 JANUARY 1945 2/22/1945 1 47270 FOLDER 402 A67199 41757199079633 CHAIRMANSHIP OF AD HOC COMMITTEE ON FRENCH COMMUNICATION SECURITY 7/2/1951 1 47270 FOLDER 417 A67201 41757099079623 REPORT TO THE BRITISH AND US CHIEFS OF STAFF OF THE UK/US COMMUNICATION SECURITY CONFERENCE ON THE REPLACEMENT OF THE CCM; CCM - COMBINED CYPHER MACHINE9/30/1950 14 47270 FOLDER 466 A67202 41729859076910 TRANSFER OF CIVILIAN VACANCIES 1/16/1945 1 47270 FOLDER 029 A67204 41793089083207 LETTER FROM ADMIRAL WENGER TO GENERAL ELECTRIC RE PROSPECTIVE MEMBER OF NSASAB 4/15/1953 1 47270 FOLDER 402 A67205 41757299079643 MEMBERS OF THE AD HOC COMMITTEE AND SECURITY COORDINATING COMMITTEE 1/1/1951 3 47270 FOLDER 402 A67206 41757509079665 REPORT OF THE USCIB AD HOC COMMITTEE TO THE UNITED STATES COMMUNICATIONS INTELLIGENCE BOARD ON PORTUGUESE COMMUNICATION SECURITY 8/7/1951 6 47270 FOLDER 029 A67207 41793199083218 LETTER FROM ADMIRAL WENGER TO A PROSPECTIVE MEMBER OF NSASAB 4/14/1953 1 47270 FOLDER 029 A67208 41793169083215 LETTER FROM WILLIAM FRIEDMAN TO MATHEMATICIAN AT UNIVERSITY OF ILLINOIS 4/10/1953 1 47270 FOLDER 402 A67209 41757269079640 MINUTES OF EIGHTH MEETING OF AD HOC COMMITTEE ON PORTUGUESE COMMUNICATIONS SECURITY 7/30/1951 9 47270 FOLDER 029 A67210 42037839107665 STATUS OF NEW HAGELIN DEVELOPMENTS; LETTER FROM WILLIAM FRIEDMAN TO SINKOV, STUCKEY, AND CAMPAIGNA 4/9/1953 1 47270 FOLDER 402 A67211 41757229079636 MINUTES OF THE SEVENTH MEETING OF THE AD HOC COMMITTEE ON PORTUGUESE COMMUNICATION SECURITY 7/27/1951 12 47270 FOLDER 416 A67212 41757399079653 ITEM FOR DISCUSSION IN BRUSA COMSEC CONFERENCE: CIPHER MACHINES 9/12/1950 1 47270 FOLDER 402 A67213 41757459079659 MINUTES OF THE SIXTH MEETING OF THE AD HOC COMMITTEE ON PORTUGUESE COMMUNICATIONS SECURITY 7/26/1951 21 47270 FOLDER 466 A67214 41729879076912 MINUTES OF THE PERSONNEL CONTROL MEETING HELD 15 JANUARY 1945 1/15/1945 2 47270 FOLDER 402 A67215 41757379079651 MINUTES OF FIFTH MEETING OF AD HOC COMMITTEE ON PORTUGUESE COMMUNICATION SECURITY 7/23/1951 13 47270 FOLDER 466 A67216 41729899076914 LUNCH SCHEDULE 1/1/1946 3

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47270 FOLDER 416 A67217 41757439079656 SCHEDULE FOR FIRST MEETING UK/US COMMUNICATIONS SECURITY CONFERENCE 9/16/1950 1 47270 FOLDER 029 A67219 41793559083254 LETTER FROM WILLIAM FRIEDMAN TO WESTERN UNION VP RE HAGELIN 4/9/1953 1 47270 FOLDER 402 A67220 41757409079655 MINUTES OF FOURTH MEETING OF AD HOC COMMITTEE ON PORTUGUESE COMMUNICATIONS SECURITY 7/19/1951 8 47270 FOLDER 416 A67221 41757469079660 BRITISH-U.S. CONFERENCE ON EXCHANGE OF CRYPTOGRAPHIC PRINCIPLES ON A RECIPROCAL BASIS: ACCEPTANCE OF INVITATION TO CONFERENCE AND NAME OF REPRESENTATIVE 9/9/1950 2 47270 FOLDER 402 A67222 41757359079649 MINUTES OF FIRST MEETING OF AD HOC COMMITTEE ON PORTUGUESE COMMUNICATION SECURITY 7/5/1951 7 47270 FOLDER 029 A67223 41791129083012 CLEARANCE STATUS OF CANDIDATES FOR DEPUTY DIRECTOR FOR R/D; MEMORANDUM FROM WILLIAM FRIEDMAN TO COLONEL WYMAN 4/3/1953 1 47270 FOLDER 466 A67224 41729909076915 TRANSFER OF PERSONNEL 1/10/1945 1 47270 FOLDER 466 A67225 41730019076926 PERSONNEL CONTROL COMMITTEE, MINUTES OF MEETING HELD 01 JANUARY 1945 1/1/1945 2 47270 FOLDER 466 A67227 41730029076927 PERSONNEL CONTROL COMMITTEE, MINUTES OF MEETING HELD 18 DECEMBER 1944 12/18/1944 2 47270 FOLDER 029 A67228 41793219083220 MEMO FROM WILLIAM FRIEDMAN TO DR. KULLBACK; RESPONSIBILITY OF DIRNSA FOR ACTIONS OF EMPLOYEES IN INVENTION AND PATENT MATTERS 4/2/1953 1 47270 FOLDER 466 A67230 41730249076949 B II PERSONNEL REQUIREMENTS 12/18/1944 6 47270 FOLDER 029 A67231 41790989082998 CHANGE OF AUTHORIZATION OF MR. SAMUEL B. WILLIAMS FROM NSA-OOT TO NSA-03; MEMORANDUM FROM WILLIAM FRIEDMAN TO CIVILIAN PERSONNEL 4/2/1953 1 47270 FOLDER 466 A67232 41730289076953 PERSONNEL CONTROL COMMITTEE, MINUTES OF MEETING HELD 4 DECEMBER 1944 12/4/1944 1 47270 FOLDER 466 A67233 41730319076956 PERSONNEL CONTROL COMMITTEE, MINUTES OF MEETING HELD 27 NOVEMBER 1944 11/27/1944 1 47270 FOLDER 416 A67235 41757519079664 BRITISH-U.S. CONFERENCE ON EXCHANGE OF CRYPTOGRAPHIC PRINCIPLES ON A RECIPROCAL BASIS (MEMO FROM JCS): DIRECTOR COMMUNICATIONS-ELECTRONICS WILL PARTICIPATE8/30/1950 IN CONFERENCE AS MEMBER1 OF PLENARY COMMITTEE 47270 FOLDER 466 A67236 41730329076957 PERSONNEL CONTROL COMMITTEE, MINUTES OF MEETING HELD 20 NOVEMBER 1944 11/20/1944 1 47270 FOLDER 466 A67237 41730349076959 MINUTES OF THE PERSONNEL CONTROL MEETING HELD 23 OCTOBER 1944 10/23/1944 3 47270 FOLDER 466 A67238 41730389076963 MINUTES OF THE PERSONNEL CONTROL MEETING HELD 06 NOVEMBER 1944 11/6/1944 1 47270 FOLDER 466 A67239 41730409076965 MINUTES OF THE PERSONNEL CONTROL MEETING HELD 13 NOVEMBER 1944 11/13/1944 1 47270 FOLDER 466 A67242 41730439076968 HAND WRITTEN NOTES ABOUT A MEETING 1/1/1945 1 47270 FOLDER 029 A67243 41793259083224 LETTER FROM WILLIAM FRIEDMAN TO ELMER ENGSTROM, DIRECTOR OF RCA'S PRINCETON LABORATORIES; REGARDING ENGSTROM'S NSASAB MEMBERSHIP 3/27/1953 1 47270 FOLDER 466 A67244 41730479076972 PROCEDURE FOR BETTER UTILIZATION OF PERSONNEL 12/4/1944 2 47270 FOLDER 466 A67245 41730509076975 WAR DEPARTMENT MANPOWER BOARD SURVEYS - PERSONNEL AND TRAINING SERVICE 12/1/1944 10 47270 FOLDER 467 A67246 41730519076976 ORGANIZATION OF THE DEPARTMENT OF STATE 8/15/1947 1 47270 FOLDER 467 A67248 41730539076978 PROPOSAL FOR MORE COMPLETE LIAISON BETWEEN THE ARMY, NAVY AND STATE DEPARTMENT 7/19/1946 5 47270 FOLDER 416 A67249 41757539079667 BRITISH-U.S. CONFERENCE ON EXCHANGE OF CRYPTOGRAPHIC PRINCIPLES OF RECIPROCAL BASIS: INVITATION TO PARTICIPATE AND MEMBERSHIP IN PLENARY COMMITTEE - (COPIES8/28/1950 TO DIR, COMMUNICATIONS-ELECTRONICS,4 AFSS, NAVAL COMMS, ASA) 47270 FOLDER 467 A67250 41730569076981 CRYPTOGRAPHIC PLAN FOR THE STATE DEPARTMENT 3/21/1945 1 47270 FOLDER 029 A67251 41793229083221 NSA PARTICIPATION IN NATO AND USSA SECURITY RESPONSIBILITIES; MEMO FROM WILLIAM FRIEDMAN TO CHIEF OF STAFF 3/30/1953 1 47270 FOLDER 416 A67252 41757579079671 U. S. - BRITISH CONFERENCE ON THE EXCHANGE OF CRYPTOGRAPHIC PRINCIPLES ON A RECIPROCAL BASIS (MEMO FROM USAFSS) 8/14/1950 2 47270 FOLDER 416 A67253 41757599079673 BRUSA COMSEC CONFERENCE, PLANNING FOR 8/24/1950 3 47270 FOLDER 467 A67254 41730619076986 CRYPTOGRAPHIC DEVICES FOR DEPARTMENT OF STATE 5/23/1944 6 47270 FOLDER 029 A67255 41793549083253 LETTER FROM DIRNSA TO DR. SAMUEL OF IBM'S ENGINEERING LABORATORY, POUGHKEEPSIE; RE PERSONAL HISTORY AND SCOPE OF DUTIES ON NSASAB 4/1/1953 1 47270 FOLDER 416 A67256 41757629079676 VISIT TO WASHINGTON TO DISCUSS BRITISH CYPHER MACHINE AND CRYPTOGRAPHIC INFORMATION 8/17/1950 1 47270 FOLDER 029 A67258 41791209083020 LETTER FROM ADMIRAL WENGER TO ARTHUR SAMUEL OF IBM ENGINEERING LAB, POUGHKEEPSIE; ADMINISTRATIVE MATTERS, SCOPE OF DUTIES 3/26/1953 1 47270 FOLDER 467 A67259 41730669076991 PROPOSAL FOR MORE COMPLETE LIAISON BETWEEN ARMY, NAVY, AND STATE DEPARTMENT 2/21/1946 5 47270 FOLDER 467 A67261 41730709076995 CRYPTOGRAPHIC DEVICE CONVERTER M-325 5/11/1944 9 47270 FOLDER 415 A67262 41757659079679 CHANGE TO SECTION IV, PARAGRAPH 1 OF NSA REGULATION NUMBER 110-1 CONCERNING PROGRAM AND BUDGET ADVISORS 2/14/1955 1 47270 FOLDER 415 A67263 41757679079681 MINUTES OF MEETING OF NSA PROGRAM AND BUDGET ADVISORS - 3 FEBRUARY 1955 2/3/1955 1 47270 FOLDER 029 A67264 41793399083238 LETTER FROM DIRNSA TO SECRETARY OF COMMERCE; REGARDING PARTICIPATION OF COMMERCE EMPLOYEES IN SYMPOSIUM 4/1/1953 1 47270 FOLDER 467 A67266 41731009077024 1000 CONVERTER M-325 AND 2000 ROTOR SETS FOR STATE DEPARTMENT 5/8/1944 1 47270 FOLDER 414 A67267 41757699079683 MINUTES OF AD HOC COMMITTEE OF BRUSA COMSEC CONFERENCE REGARDING DISCLOSURE OF CRYPTOGRAPHIC PRINCIPLES IN AFSAM-7 10/18/1950 1 47270 FOLDER 414 A67268 41757719079685 MINUTES OF A U.S. AD HOC COMMITTEE OF THE BRUSA COMSEC CONFERENCE - ACTION TO AMEND 10/18/1950 1 47270 FOLDER 467 A67269 41731029077026 A PLAN FOR STATE DEPARTMENT 3/23/1944 1 47270 FOLDER 467 A67270 41731039077027 REQUEST FOR U.S. ARMY CIPHER MACHINE 3/6/1944 4 47270 FOLDER 414 A67271 41757749079689 BRUSA COMSEC CONFERENCE AD HOC COMMITTEE MINUTES - 30 SEPTEMBER 1950 9/30/1950 4 47270 FOLDER 467 A67272 41731049077028 CIPHER MACHINES AT MADRID, SPAIN AND ISTANBUL, TURKEY 2/22/1944 1 47270 FOLDER 414 A67273 41757779079691 MEETING ON 27 SEPTEMBER 1950 FOR BRUSA COMSEC CONFERENCE, U.S. EXECUTIVE COMMITTEE 9/27/1950 2 47270 FOLDER 414 A67275 41757799079693 U.S. EXECUTIVE COMMITTEE, BRUSA COMSEC CONFERENCE - MINUTES OF THIRD MEETING 9/22/1950 1 47270 FOLDER 029 A67276 41793329083231 LETTER OF ACKNOWLEDGEMENT FROM WILLIAM FRIEDMAN FOR PHOTOGRAPHS OF GCHQ NOTABLES 3/25/1953 1 47270 FOLDER 414 A67277 41757849079698 EXECUTIVE COMMITTEE MEETING ATTENDANCE 9/15/1950 1

UNCLASSIFIED 118 UNCLASSIFIED

47270 FOLDER 467 A67278 41731069077030 SECURITY IN HANDLING CODED MESSAGES 3/22/1944 7 47270 FOLDER 414 A67280 41757859079699 MINUTES OF FIRST MEETING OF EXECUTIVE COMMITTEE, BRUSA COMSEC CONFERENCE TO BE HELD IN WASHINGTON IN SEPTEMBER 1950 9/1/1950 4 47270 FOLDER 467 A67281 41731099077033 SECURITY OF CIPHERS USED BY NON-MILITARY AGENCIES OF THE GOVERNMENT 3/13/1944 3 47270 FOLDER 467 A67282 41731119077035 ASSISTANCE TO THE STATE DEPARTMENT ON CRYPTOGRAPHIC MATTERS 3/3/1944 1 47270 FOLDER 414 A67283 41757889079702 BRUSA COMSEC CONFERENCE U.S. EXECUTIVE COMMITTEE MEETING HELD 27 SEPTEMBER 1950 9/27/1950 3 47270 FOLDER 414 A67285 41757909079704 DISCLOSURE TO THE U.K. OF AFSAM-7 AND NON-DISCLOSURE OF AFSAM-9 WITHOUT APPROVAL FROM DIRNSA 9/20/1950 1 47270 FOLDER 414 A67286 41757919079705 BRUSA COMSEC CONFERENCE - SCHEDULE OF EQUIPMENTS 9/18/1950 3 47270 FOLDER 467 A67287 41731139077037 M-134-A CIPHER DEVICES FOR STATE DEPARTMENT 1/1/1944 6 47270 FOLDER 414 A67288 41757959079709 BRUSA COMSEC CONFERENCE - SECOND MEETING OF THE U.S. PLENARY COMMITTEE 9/12/1950 7 47270 FOLDER 414 A67289 41757979079711 ATTENDANCE AT MEETING OF U.S. REPRESENTATION FOR BRUSA COMSEC CONFERENCE 9/12/1950 2 47270 FOLDER 467 A67290 41731159077039 STATE DEPARTMENT REQUESTING THE ISSUE OF FOUR M-134-A CIPHER MACHINES 3/2/1944 1 47270 FOLDER 467 A67293 41731179077042 LETTER TO THE SECRETARY OF STATE, FORWARDING REPORT OF COMMITTEE APPOINTED TO RESURVEY STATE DEPARTMENT CRYPTOGRAPHIC SYSTEMS 1/14/1944 21 47270 FOLDER 467 A67294 41731229077046 LIST OF THE POSTS IN THE FOREIGN SERVICE WHERE AMERICAN GUARDS ARE EMPLOYED 1/6/1944 1 47270 FOLDER 467 A67295 41731259077049 REPORT ON STUDY OF CRYPTOGRAPHIC SYSTEMS USED BY STATE DEPARTMENT 12/2/1943 2 47270 FOLDER 414 A67296 41757989079713 BRUSA COMSEC CONFERENCE - FIRST MEETING OF THE U.S. PLENARY COMMITTEE 9/1/1950 5 47270 FOLDER 467 A67297 41731289077052 LETTER FROM THE STATE DEPARTMENT REQUESTING RESURVEY OF ITS CRYPTOGRAPHIC SYSTEMS 11/27/1943 8 47270 FOLDER 414 A67298 41758019079715 SUGGESTED WORKING GROUP NO. 5 FOR ONE-TIME-TAPE TELETYPE SCRAMBLERS 9/11/1950 1 47270 FOLDER 414 A67299 41758029079716 U.S. - BRITISH CONFERENCE ON THE EXCHANGE OF CRYPTOGRAPHIC PRINCIPLES ON A RECIPROCAL BASIS 9/8/1950 1 47270 FOLDER 467 A67300 41731309077054 TRIP FROM MOSCOW TO ALASKA - VISITING AIRFIELDS IN EASTERN SIBERIA DURING THE TRIP 8/4/1943 1 47270 FOLDER 414 A67301 41758049079718 AMENDMENT OF AGENDA OF U.S.-BRITISH CONFERENCE 9/2/1950 3 47270 FOLDER 414 A67304 41758059079719 MEMO FOR MEMBERS OF AFSAC RE ADDITIONS TO SCHEDULE OF SPECIFIC ITEMS: U.S.-BRITISH CONFERENCE ON THE EXCHANGE OF CRYPTOGRAPHIC PRINCIPLES ON A RECIPROCAL 8/24/1950BASIS 3 47270 FOLDER 414 A67305 41758089079722 SCHEDULE OF SPECIFIC ITEMS FOR DISCUSSION AND AGENDA FOR THE U.S.-BRITISH CONFERENCE ON EXCHANGE OF CRYPTOGRAPHIC PRINCIPLES 7/19/1950 6 47270 FOLDER 414 A67307 41758099079723 U.S.-BRITISH INTERCHANGE OF CRYPTOGRAPHIC PRINCIPLES ON A RECIPROCAL BASIS: TENTATIVE AGENDA 7/3/1950 11 47270 FOLDER 413 A67309 41758119079725 NATIONAL SECURITY AGENCY TECHNICAL JOURNAL, EDITORIAL POLICY BOARD - GENERAL ORDER NO. 88/NSA REG NO. 10-14: JOB DESCRIPTION MANAGING EDITOR 2/10/1955 4 47270 FOLDER 029 A67311 41793309083229 LETTER FROM WILLIAM FRIEDMAN TO USAF AIR UNIVERSITY; FRIEDMAN ACKNOWLEDGES EXPRESSION OF APPRECIATION FOR PRESENTATION AT UNIVERSITY 3/26/1952 1 47270 FOLDER 029 A67312 41793429083241 LETTER FROM WILLIAM FRIEDMAN TO CORWITH OF WESTERN UNION RE SCAMP PROGRAM; FOR CORWITH'S COMMENTS AS MEMBER OF NSASAB 3/27/1953 2 47270 FOLDER 413 A67313 41758129079726 JOB DESCRIPTION FOR THE EDITOR NSA TECHNICAL JOURNAL (REVISED) 2/25/1955 3 47270 FOLDER 413 A67314 41758149079728 AGENDA FOR THE FOURTH MEETING OF THE EDITORIAL POLICY BOARD - 23 FEB 1955 2/18/1955 1 47270 FOLDER 029 A67316 41793359083234 LETTER FROM WILLIAM FRIEDMAN TO CHAIRMAN OF NSASAB, CAIRNS; REGARDING STATUS OF NSASAB CANDIDATES 3/26/1953 2 47270 FOLDER 413 A67317 41758159079729 REPRESENTATIVES FOR THE TECHNICAL JOURNAL'S EDITORIAL POLICY BOARD - RECOMMEND THAT SEC. BE INCLUDED IN MEMBERSHIP ON THE EDITORIAL BOARD AS A SECURITY ADVISOR1/12/1955 1 47270 FOLDER 413 A67318 41758169079730 MEMORANDUM TO MR. FRIEDMAN RE TECHNICAL JOURNALS - SOME IDEAS USED IN OTHER TECHNICAL JOURNALS 12/1/1954 9 47270 FOLDER 413 A67319 41758189079732 ESTABLISHMENT OF A TECHNICAL JOURNAL - NSA REG. NO. 10-14 12/31/1954 2 47270 FOLDER 413 A67320 41758199079733 NSA TECHNICAL JOURNAL EDITORIAL POLICY BOARD - GENERAL ORDER NO. 88 12/30/1954 1 47270 FOLDER 413 A67321 41758219079735 ESTABLISHMENT OF AN NSA TECHNICAL JOURNAL - MEMORANDUM FOR THE DIRECTOR; PUBLICATIONS OFFICER JOBS 12/8/1954 14 47270 FOLDER 029 A67322 41793379083236 WILLIAM FRIEDMAN LETTER TO PROFESSOR VON NEUMANN, PRINCETON; NOTIFICATION OF PERSONNEL ACTION 3/25/1953 1 47270 FOLDER 029 A67323 41793529083251 LETTER FROM ADMIRAL WENGER TO PROSPECTIVE MEMBER OF SCAMP AT UNIVERSITY OF WISCONSIN 3/24/1953 1 47270 FOLDER 467 A67324 41731329077056 SECURITY OF STATE DEPARTMENT COMMUNICATIONS 11/20/1943 2 47270 FOLDER 467 A67325 41731339077057 NOTES ON CONFERENCE HELD 18 NOVEMBER 1943 BETWEEN REPRESENTATIVES OF THE SIGNAL SECURITY AGENCY AND THE STATE DEPARTMENT 11/19/1943 6 47270 FOLDER 467 A67326 41731349077058 STATEMENT OF CRYPTOGRAPHIC SYSTEMS NOW IN USE BY DEPARTMENT OF STATE 11/19/1943 1 47270 FOLDER 467 A67327 41731379077061 ANALYSIS OF STATE DEPARTMENT CODES AND CIPHERS FROM THE STANDPOINT OF SECURITY 11/22/1943 6 47270 FOLDER 467 A67328 41731399077063 NAVY DISTRIBUTION OF STATE DEPARTMENT MATERIAL 6/23/1943 5 47270 FOLDER 093 A67329 41700939074027 PRELIMINARY HISTORICAL REPORT ON THE SOLUTION OF THE "B" MACHINE, 1 JANUARY 1940 1/1/1940 27 47270 FOLDER 093 A67330 41700989074031 SOLUTION OF THE JAPANESE "RED MACHINE" 1/1/1940 21 47270 FOLDER 467 A67331 41731439077067 TRANSFER OF A QUALIFIED CRYPTOGRAPHER TO THE STATE DEPARTMENT 7/20/1942 1 47270 FOLDER 467 A67332 41731479077071 COMMUNICATIONS SECURITY AT THE STATE DEPARTMENT 6/22/1942 2 47270 FOLDER 092 A67333 41701019074034 INVENTION: MEANS AND METHOD OF CONTROLLING INTERMITTENT ACTION OF 2D OF TWO KEYTAPE TRANSMITTERS, AT & T SYSTEM (SISDE-19) 3/26/1935 2 47270 FOLDER 091 A67334 41701069074039 MISSION OF NSA EUROPE AND LIST OF UNITS W/MISSION DESCRIPTION, 01 JANUARY 1952 1/1/1952 5 47270 FOLDER 467 A67335 41731509077074 CIPHER MACHINE FOR THE STATE DEPARTMENT 6/28/1941 4 47270 FOLDER 090 A67336 41701109074043 WEST GERMAN USE, 6 DECEMBER 1954 12/6/1954 6 47270 FOLDER 467 A67337 41731549077078 DEPARTMENT OF STATE TO PROCURE EIGHT CIPHER MACHINES 7/9/1941 1

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47270 FOLDER 467 A67338 41731579077081 CIPHER WRITING MACHINES 7/9/1941 1 47270 FOLDER 029 A67339 41793439083242 LETTER FROM ADMIRAL WENGER TO PROFESSOR WILKS OF PRINCETON; REGARDING APPOINTMENT TO NSASAB 3/24/1953 1 47270 FOLDER 090 A67340 41701159074048 MIXING DEVICE MANUFACTURED BY DR. GRIMSEN OF C. LORENZ, A.G. (W020), 1 JUNE 1954 6/1/1954 1 47270 FOLDER 467 A67341 41731619077086 REPORT OF SPECIAL COMMITTEE TO INVESTIGATE SECURITY OF STATE DEPARTMENT COMMUNICATIONS 5/12/1941 21 47270 FOLDER 029 A67342 41785949082496 LETTER FROM ADMIRAL WENGER TO PROFESSOR ROBINSON AT CALTEC 3/23/1953 1 47270 FOLDER 467 A67343 41731669077090 LIST OF POSTS EQUIPPED WITH VAULTS OF FIREPROOF CONSTRUCTION 6/7/1941 1 47270 FOLDER 029 A67344 41785959082497 LETTER FROM WILLIAM FRIEDMAN TO ONE WALTER EMERY REGARDING LOST FRENCH TRANSLATIONS 3/20/1953 1 47270 FOLDER 467 A67345 41731709077094 COMMUNICATIONS SYSTEMS IN USE BY THE DEPARTMENT OF STATE 1/1/1941 21 47270 FOLDER 467 A67347 41731739077097 RESPONSIBILITY FOR ARCHIVES 4/1/1940 4 47270 FOLDER 029 A67348 41785969082498 WILLIAM FRIEDMAN'S REQUEST FOR CLEARANCE FOR WALTER BAKER; BAKER TO BECOME MEMBER OF NSASAB 3/6/1953 1 47270 FOLDER 467 A67350 41731779077101 CONFIDENTIALITY DESCRIPTIVE TERMS; DEPARTMENTAL ORDER 992 10/29/1941 2 47270 FOLDER 090 A67351 41701199074052 VISIT TO DR. GRIMSEN, 15 NOVEMBER 1954; VISIT CONCERNS MIXING DEVICE 11/15/1954 10 47270 FOLDER 467 A67352 41731799077106 DISTRIBUTION OF TELEGRAMS ACCORDING TO CODES, JUNE 3 TO 7, 1941 6/3/1941 3 47270 FOLDER 413 A67353 41758229079736 MESSAGE REGARDING SEVEN DAY CONUS TDY FOR MR. RIORDAN 4/27/1955 1 47270 FOLDER 090 A67354 41701259074058 HANDWRITTEN LIST OF DOCUMENTS REGARDING DR. GRIMSEN, 19 FEBRUARY 1955 2/19/1955 4 47270 FOLDER 413 A67356 41758239079737 MESSAGE GIVING THE DEPARTURE DATE AND TIME OF MR. RIORDAN FOR CONUS TDY 4/27/1955 1 47270 FOLDER 413 A67357 41758259079739 MESSAGE: REQUEST THAT MR RIORDAN BE SENT TDY TO WASHINGTON FOR AN INTERVIEW FOR JOB AS EDITOR OF TECHNICAL JOURNAL 4/22/1955 1 47270 FOLDER 090 A67358 41701289074061 BROCHURE ON THE LORENZE MIXER UNIT, 29 JANUARY 1955 1/29/1955 7 47270 FOLDER 413 A67359 41758269079740 MINUTES OF THE FIFTH MEETING OF THE NATIONAL SECURITY AGENCY TECHNICAL JOURNAL EDITORIAL POLICY BOARD 4/21/1955 1 47270 FOLDER 029 A67360 41785979082499 LETTER FROM WILLIAM FRIEDMAN TO WALTER EMERY 3/9/1953 1 47270 FOLDER 413 A67361 41758279079741 AGENDA FOR THE FIFTH MEETING OF THE EDITORIAL POLICY BOARD, 20 APR 1955 4/4/1955 1 47270 FOLDER 467 A67362 41731999077123 NEW PERMUTATION TABLE REQUESTED BY THE STATE DEPARTMENT 11/27/1940 3 47270 FOLDER 090 A67363 41701329074065 LETTER TO "BO" HAGELIN RE CANCELING ORIGINAL ORDER AND REPLACING NEW ORDER, 30 MARCH 1955 3/30/1955 1 47270 FOLDER 090 A67364 41701369074069 LETTER FROM HAGELIN JR. REGARDING ORDER, 10 MARCH 1955 3/10/1955 4 47270 FOLDER 467 A67365 41732039077127 DEPARTMENT OF STATE - COURSE IN CRYPTOGRAPHY 5/18/1939 1 47270 FOLDER 413 A67366 41758299079743 NATIONAL SECURITY AGENCY TECHNICAL JOURNAL - PUBLICATION FOR CRYPTOLOGIC AGENCIES 2/23/1955 5 47270 FOLDER 090 A67367 41701409074073 HANDWRITTEN NOTES REGARDING CRYPTOGRAPHIC EQUIPMENT ORDERS, 17 FEBRUARY 1955 2/17/1955 2 47270 FOLDER 467 A67368 41732079077132 CONFIDENTIAL FUTURE RELEASE NOTE DATE "AIDE MEMOIRE" 5/17/1939 4 47270 FOLDER 413 A67369 41758309079744 MINUTES OF THE THIRD MEETING OF THE NATIONAL SECURITY AGENCY TECHNICAL JOURNAL EDITORIAL POLICY BOARD 2/8/1955 4 47270 FOLDER 090 A67370 41701439074076 STATUS OF EQUIPMENT ON ORDER, 10 FEBRUARY 1955 2/10/1955 1 47270 FOLDER 467 A67371 41732109077134 STATE, WAR, AND NAVY CRYPTOGRAPHIC SYSTEM 1/25/1939 6 47270 FOLDER 090 A67372 41701479074080 REPORT OF DEMONSTRATION OF AN INVENTION, 23 OCTOBER 1954 10/23/1954 3 47270 FOLDER 413 A67373 41758319079745 JOB DESCRIPTION FOR THE NSA TECHNICAL JOURNAL EDITOR (DRAFT) ALSO MEMO/ROUTING SLIP WITH THE RANK OF EDITORS OF COMPARABLE PUBLICATIONS 1/1/1955 4 47270 FOLDER 090 A67374 41701519074084 VISIT TO WEINTRAUD, 2 FEBRUARY 1955; T&N CIPHER MACHINE 2/2/1955 5 47270 FOLDER 413 A67376 41758339079747 AGENDA FOR THE THIRD MEETING OF THE NSA TECHNICAL JOURNAL EDITORIAL POLICY BOARD 2/4/1955 1 47270 FOLDER 413 A67377 41758349079748 MINUTES OF THE SECOND MEETING OF THE NSA TECHNICAL JOURNAL EDITORIAL POLICY BOARD 1/28/1955 4 47270 FOLDER 467 A67378 41732159077139 STATE, WAR AND NAVY CIPHER SYSTEM 6/2/1938 2 47270 FOLDER 413 A67379 41758359079749 SECOND MEETING OF NSA TECHNICAL JOURNAL EDITORIAL POLICY BOARD - AGENDA 1/20/1955 2 47270 FOLDER 467 A67380 41732179077141 MINUTES OF SUBCOMMITTEE ON STATE, WAR, AND NAVY DEPARTMENT COMMUNICATIONS 5/24/1938 3 47270 FOLDER 413 A67381 41758369079750 MINUTES OF THE NSA TECHNICAL JOURNAL EDITORIAL POLICY BOARD MEETING OF 14 JANUARY 1955 1/20/1955 4 47270 FOLDER 090 A67383 41701559074088 CRYPTOGRAPHIC DEVICE OF DR. OSKAR VIERLING (W 009) , 16 DECEMBER 1953 12/16/1953 3 47270 FOLDER 413 A67384 41758389079752 INITIAL MEETING OF NSA TECHNICAL JOURNAL EDITORIAL POLICY BOARD 1/10/1955 1 47270 FOLDER 090 A67385 41701599074092 CRYPTOGRAPHIC DEVICE OF DR. OSKAR VIERLING (W 002), 29 SEPTEMBER 1953 9/29/1953 2 47270 FOLDER 467 A67386 41732209077144 MEMORANDUM ON THE MEETING OF THE SUBCOMMITTEE ON STATE, WAR AND NAVY DEPARTMENT COMMUNICATIONS 5/26/1938 6 47270 FOLDER 090 A67387 41701629074095 VISIT TO G-40, 26 FEBRUARY 1955 2/26/1953 1 47270 FOLDER 467 A67388 41732249077148 INSTRUCTIONS FOR USING THE STRIP CIPHER DEVICE AND KEYING THE MESSAGES 4/21/1938 2 47270 FOLDER 090 A67390 41701659074098 CRYPTOGRAPHIC DEVICE OF DR. OSKAR VIERLING, 16 DECEMBER 1953 12/16/1953 1 47270 FOLDER 029 A67391 41785989082500 LETTER FROM WALTER EMERY TO CHIEF SIGNAL OFFICER; REGARDING EARLIER CONTACT WITH WILLIAM FRIEDMAN 2/16/1953 1 47270 FOLDER 467 A67392 41732279077151 INSTRUCTION PERTAINING TO A PERMUTATION TABLE 1/29/1934 14 47270 FOLDER 029 A67393 41785999082501 LETTER FROM WILLIAM FRIEDMAN TO USAF AIR UNIVERSITY; FRIEDMAN'S TRAVEL PLANS 3/4/1953 1

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47270 FOLDER 467 A67395 41732389077162 NEW CODE FOR THE USE OF THE DEPARTMENT OF STATE 1/16/1934 1 47270 FOLDER 467 A67396 41732409077164 DEVELOPMENT OF THE NEW CODE FOR THE USE OF THE DEPARTMENT OF STATE 1/22/1934 1 47270 FOLDER 467 A67397 41732459077169 ORGANIZATION OF THE DEPARTMENT OF STATE 8/15/1947 1 47270 FOLDER 089 A67398 41701679074100 DIAGRAM OF OCSIGO, 15 MARCH 1940 3/15/1940 1 47270 FOLDER 089 A67399 41701699074102 INVENTION OF AN ELECTRONIC TRANSLATOR OR COMBINER FOR PRINTING TELEGRAPHY AND OTHER PURPOSES 1/1/1940 3 47270 FOLDER 089 A67400 41701719074104 INVENTION OF MECHANICAL WHEEL CONTROL FOR A SMALL CRYPTOGRAPH, 6 SEPTEMBER 1935 9/6/1935 2 47270 FOLDER 089 A67402 41701739074106 A NEW MEANS AND METHOD FOR PROTECTING CRYPTOTELEPRINTER TRANSMISSIONS, 25 FEBRUARY 1947 2/25/1947 2 47270 FOLDER 089 A67404 41701759074108 INVENTION OF AN ELECTRONIC CRYPTOGRAPH 1/1/1940 10 47270 FOLDER 468 A67405 41732489077172 PERSONNEL THAT HAVE ROTATED WITHIN AS-90 1/1/1949 11 47270 FOLDER 089 A67406 41701769074109 DIAGRAM OF AN UNSPECIFIED CRYPTO DEVICE, 1 OCTOBER 1937 10/1/1937 1 47270 FOLDER 089 A67407 41701799074112 DIAGRAM AND NOTES OF AN UNSPECIFIED CRYPTO DEVICE 1/1/1937 4 47270 FOLDER 089 A67410 41701829074115 WIRING DIAGRAM FOR AN UNSPECIFIED CRYPTO DEVICE 10/16/1937 1 47270 FOLDER 468 A67411 41732559077179 RESEARCH AND DEVELOPMENT DIVISION 2/4/1949 4 47270 FOLDER 089 A67412 41701849074117 SPECIAL MODIFICATIONS IN M-161 FOR A SMALLER CRYPTOGRAPH, 20 APRIL 1941 4/20/1941 2 47270 FOLDER 468 A67413 41732589077182 SECURITY DIVISION KEY PERSONNEL 2/1/1949 2 47270 FOLDER 029 A67414 41786009082502 WILLIAM F FRIEDMAN LETTER TO MR JOHN C MCPHERSON REGARDING INCOMPLETE INFORMATION FORWARDED BY FRIEDMAN 3/2/1953 1 47270 FOLDER 468 A67417 41732629077187 RECOMMENDATIONS OF THE OPERATIONAL SURVEY COMMITTEE, SECURITY DIVISION 6/17/1948 5 47270 FOLDER 029 A67418 41786019082503 LETTER FROM DIRNSA TO SECRETARY OF COMMERCE; REGARDING TEMPORARY EMPLOYMENT OF SCIENTISTS FOR SCAMP 3/2/1953 2 47270 FOLDER 468 A67420 41732679077193 THE DEVELOPMENT OF A COMMON COMMUNICATION SECURITY AND INTELLIGENCE AGENCY 4/20/1948 18 47270 FOLDER 468 A67422 41732729077196 DEVELOPMENT OF PERSONNEL 8/5/1948 8 47270 FOLDER 468 A67423 41732779077201 ROTATION PLAN COMMITTEE 1/7/1948 8 47270 FOLDER 468 A67424 41732819077204 STUDY OF JOB DESCRIPTIONS IN CONNECTION WITH ROTATION PLAN 1/2/1948 4 47270 FOLDER 029 A67425 41786029082504 LETTER FROM ADMIRAL WENGER TO BG RIVES OF GE, SYRACUSE; REGARDING NSASAB AND VISIT TO WASHINGTON 2/24/1953 2 47270 FOLDER 468 A67426 41732839077207 ROTATION PLAN COMMITTEE 11/10/1947 1 47270 FOLDER 089 A67427 41701869074119 SIGNAL CORPS PATENT BOARD MEETING NO. 2; CONVERTERS M-134-T1 AND M-134-T2 IMPROVEMENTS DISCUSSED 4/17/1936 2 47270 FOLDER 468 A67428 41732879077211 MEETING OF THE ROTATION PLAN COMMITTEE 11/4/1947 8 47270 FOLDER 089 A67429 41701899074122 DIAGRAM OF WHEEL CONTROL UNIT, CRYPTO MACHINE M-161 10/6/1936 2 47270 FOLDER 029 A67430 41786039082505 MEMORANDUM FROM WILLIAM FRIEDMAN TO CHIEF, SECURITY; REGARDING CLEARANCE STATUS FOR NSASAB CANDIDATES 3/1/1953 1 47270 FOLDER 468 A67431 41732899077213 ROTATION PLAN COMMITTEE MEETING 11/4/1947 10 47270 FOLDER 089 A67432 41701919074124 PRELIMINARY PROPOSALS FOR CONVERTER TYPE M-161 11/7/1935 6 47270 FOLDER 089 A67433 41701939074126 PRINTING MECHANISMS FOR M-161 10/4/1935 5 47270 FOLDER 468 A67434 41732919077215 ROTATION PLAN MEETING OF 21 APRIL 1947 4/21/1947 10 47270 FOLDER 089 A67435 41701959074128 TELETYPE ENCIPHERING SCHEMATIC, 19 JULY 1943 7/19/1943 3 47270 FOLDER 089 A67436 41701979074130 MILITARY CHARACTERISTICS OF A CRYPTOGRAPHIC MACHINE FOR USE IN MESSAGE CENTERS OF THE LARGER FIXED AND SEMI-FIXED HEADQUARTERS 1/8/1937 2 47270 FOLDER 468 A67437 41732949077217 HAND WRITTEN NOTE - PERSONNEL ROTATION 1/1/1947 1 47270 FOLDER 029 A67438 41786049082506 MEMORANDUM FROM WILLIAM FRIEDMAN TO CHIEF, SECURITY; REQUEST FOR ADDITIONAL CLEARANCE 2/11/1953 1 47270 FOLDER 468 A67439 41732969077220 ROTATION PLAN MEETING 9 DECEMBER 1946 12/9/1946 9 47270 FOLDER 088 A67440 41701999074131 IMPROVEMENTS IN CRYPTOGRAPHS; PATENT APPLIED FOR, SERIAL NO. 70412, MARCH 23 1936; SISDE #11 3/23/1936 2 47270 FOLDER 468 A67441 41732989077222 PERSONNEL NAMED TO PERSONNEL ROTATION COMMITTEE; HQ ASA SPECIAL ORDERS NUMBER 171 10/11/1946 2 47270 FOLDER 029 A67442 41786059082507 MEMORANDUM FROM WILLIAM FRIEDMAN TO THE AG; REGARDING TRAVEL ORDERS FOR MCPHERSON 2/10/1953 1 47270 FOLDER 468 A67443 41733029077226 PERSONNEL ROTATION 12/18/1948 1 47270 FOLDER 279 A67444 41780459081953 RECOMMENDATIONS OF THE CLARK COMMITTEE - ITEM A FOR THE 117TH MEETING OF USCIB 7/12/1955 1 47270 FOLDER 029 A67445 41786079082509 RECOMMENDATIONS OF NSASAB IN REGARD TO DEPUTY DIRECTOR FOR RESEARCH AND DEVELOPMENT; MEMORANDUM FROM WILLIAM FRIEDMAN TO DIRNSA 2/9/1953 2 47270 FOLDER 468 A67446 41733059077229 ROTATABLE PERSONNEL IN RESEARCH AND DEVELOPMENT DIVISION 12/19/1946 1 47270 FOLDER 029 A67447 41786089082510 MEMORANDUM OF CALL "NSCID NO 9 MEMO TO COL H"; NO ATTRIBUTION 1/1/1953 1 47270 FOLDER 468 A67448 41733079077231 ROTATION OF PERSONNEL COMMITTEE 1/10/1947 2 47270 FOLDER 469 A67449 41733129077236 LOSS OF REGISTERED CRYPTOGRAPHIC DOCUMENTS 5/23/1946 7 47270 FOLDER 029 A67450 41786099082511 TRAVEL ORDERS FOR PROF. JOHN VON NEUMANN; MEMORANDUM FROM WILLIAM FRIEDMAN TO AG 2/6/1953 1 47270 FOLDER 469 A67451 41733149077238 REVISION OF CSP 1150 (SIGOOFY) 7/20/1948 1 47270 FOLDER 088 A67452 41702009074133 DRAFT SPECIFICATIONS AND DRAWINGS OF A NEW MEANS OF CONTROLLING CRYPTOMACHINES; SISDE 11 10/4/1935 8

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47270 FOLDER 029 A67453 41786109082512 WILLIAM F FRIEDMAN MEMO TO MR THOMAS A MILLER, SPECIAL ASSISTANT TO OIC WDC/CCO, RECEIPT OF SEABORNE REPORT 2/3/1953 1 47270 FOLDER 088 A67454 41702029074135 PATENT OFFICE INVOCATION OF THE "THREE YEAR RULE" REGARDING FRIEDMAN APPLICATION 10/15/1935 1 47270 FOLDER 279 A67455 41780469081954 USCIB DIRECTIVE NUMBER 11 - ORGANIZATION, MISSION, AND FUNCTIONS OF THE USCIB INTELLIGENCE COMMITTEE 8/13/1953 5 47270 FOLDER 029 A67456 41786119082513 LETTER FROM ADMIRAL WENGER TO VP ENGSTROM OF RCA'S PRINCETON LABS 2/3/1953 1 47270 FOLDER 088 A67457 41702039074136 WAR DEPARTMENT LETTER ACKNOWLEDGING REQUEST FOR SECRECY OF PATENT NO. 70,412, 15 JULY 1947 7/15/1947 1 47270 FOLDER 029 A67458 41786129082514 LETTER FROM WILLIAM FRIEDMAN TO R. D. PARKER AT COMMUNICATIONS-ELECTRONICS, WASHINGTON; RE PARKER'S ROLE AS CONSULTANT 1/30/1953 1 47270 FOLDER 088 A67459 41702059074138 APPLICATION FOR SECRECY ORDER FOR PATENT NO. 70, 412, 6 JUNE 1947 6/6/1947 1 47270 FOLDER 088 A67460 41702069074139 COPY OF SECRECY ORDER FOR PATENT NO. 70,412 ISSUED BY COMMERCE DEPARTMENT, 20 MAY 1947; SIGABA M-134-C 5/20/1947 4 47270 FOLDER 465 A67461 41733179077241 PROCESSING OF OUTGOING MESSAGES 10/6/1943 11 47270 FOLDER 088 A67462 41702079074140 INVENTION OF MECHANICO-ELECTRICAL CONTROL OF CIPHER WHEELS FOR SMALL CRYPTOGRAP 9/3/1935 2 47270 FOLDER 465 A67463 41733229077246 PROCESSING OF MESSAGES THROUGH WAR DEPARTMENT CODE CENTER 9/1/1943 19 47270 FOLDER 088 A67464 41702089074141 BASIC CRYPTOGRAPHIC PRINCIPLE OF NAVY MACHINE, 1 JANUARY 1947; PATENT NO. 74012 1/1/1947 1 47270 FOLDER 465 A67465 41733249077249 REPORT ON THE PROCESS TIME OF 228-Q RECEIVED AND SIGABA MESSAGES 7/8/1943 4 47270 FOLDER 279 A67466 41780479081955 CHANGE TO USCIB DIRECTIVE NUMBER 2 - FORWARD THE MASTER REQUIREMENTS LIST TO THE DIRECTOR 7/13/1953 1 47270 FOLDER 088 A67467 41702099074142 AMENDMENTS TO PATENT NO. 70,412, 22 OCTOBER 1942 10/22/1942 8 47270 FOLDER 088 A67468 41702109074143 PATENT APPLICATION, SER. NO. 70,412, IMPROVEMENT IN CRYPTOGRAPHS, 21 SEPTEMBER 1939; SISDE 11 9/21/1939 1 47270 FOLDER 279 A67469 41780499081957 PROPOSED TERMS OF REFERENCE FOR THE USCIB INTELLIGENCE COMMITTEE 7/13/1953 5 47270 FOLDER 088 A67470 41702119074144 APPLICATION OF WM. F. FRIEDMAN AND FRANK B. ROWLETT - SN 70,412, FILED MARCH 23, 1936, CRYPTOGRAPHS - AMENDMENT 7/16/1942 1 47270 FOLDER 279 A67471 41780509081958 USCIB SECURITY COMMITTEE - MEMBERS DESIGNATED AS REPRESENTATIVES 7/9/1953 1 47270 FOLDER 088 A67472 41702129074145 POWER OF ATTORNEY IN RE APPLICATION OF FRIEDMAN AND ROWLETT, SERIAL NO. 70,412, 23 MARCH 1936 3/23/1936 1 47270 FOLDER 088 A67473 41702139074146 REQUIREMENT FOR DIVISION AND ELECTION RE PATENT NO. 70412 IS WITHDRAWN, 23 MARCH 1936 3/23/1936 1 47270 FOLDER 029 A67474 41786139082515 RECRUITING LETTER FROM ADMIRAL WENGER SOLICITING SCIENTIFIC ADVISORS 2/4/1953 2 47270 FOLDER 029 A67475 41786149082516 LETTER FROM CANINE TO BELL LABORATORIES VP RE ATTENDANCE AT FIRST MEETING OF NSA'S SCIENTIFIC ADVISORY BOARD 1/28/1953 1 47270 FOLDER 088 A67476 41702149074147 REQUEST FOR CONTINUING OF PATENT NO. 70,412 FOR A PERIOD OF 3 YEARS 4/28/1939 2 47270 FOLDER 029 A67477 41786159082517 COMMENTS ON RESEARCH AND DEVELOPMENT APPROPRIATIONS; MEMORANDUM FROM WILLIAM FRIEDMAN TO DIRNSA 1/26/1953 1 47270 FOLDER 088 A67478 41702159074148 APPROVAL FOR CONTINUING OF PATENT APPLICATION NO. 70,412, 3 MAY 1939 5/3/1939 1 47270 FOLDER 279 A67480 41780519081959 USCIB DIRECTIVE NO. 10- ORGANIZATION, MISSION, AND FUNCTIONS OF THE USCIB SECURITY COMMITTEE 7/9/1953 4 47270 FOLDER 029 A67481 41896289093520 REQUEST FOR ADDITIONAL CLEARANCES; WILLIAM FRIEDMAN'S LIST OF CANDIDATES FOR DEPUTY DIRECTOR FOR RESEARCH AND DEVELOPMENT 1/23/1953 5 47270 FOLDER 029 A67483 41786229082523 REORGANIZATION OF THE OFFICE OF RESEARCH AND DEVELOPMENT; MEMO FROM WILLIAM FRIEDMAN TO V/DIRNSA 1/23/1953 1 47270 FOLDER 088 A67484 41702179074150 WAR DEPARTMENT REQUEST FOR CONTINUING OF PATENT NO. 70, 412 4/24/1939 1 47270 FOLDER 065 A67485 41700869074019 HANDWRITTEN NOTES REFERRING TO STATUS REPORTS 1/1/1955 4 47270 FOLDER 088 A67486 41702189074151 IMPROVEMENT IN CRYPTOGRAPHS, PATENT APPLICATION SER. NO. 70,412, 29 SEPTEMBER 1936 9/29/1936 2 47270 FOLDER 029 A67487 41786239082524 LETTER FROM WILLIAM FRIEDMAN TO ELLIS AT FBI, WASHINGTON; REGARDING THE ZIMMERMAN TELEGRAM 1/22/1953 1 47270 FOLDER 279 A67488 41780539081961 COMINT CLEARANCE STANDARDS AND PROCEDURES 7/9/1953 2 47270 FOLDER 088 A67489 41702209074153 DEPARTMENT OF COMMERCE REJECTION OF CLAIMS REGARDING PATENT NO. 70412, 23 MARCH 1936 6/24/1936 3 47270 FOLDER 029 A67490 41786279082528 LETTER FROM WILLIAM FRIEDMAN TO UNIVERSITY OF OKLAHOMA PROFESSOR; REGARDING POSSIBLE EMPLOYMENT 1/21/1953 1 47270 FOLDER 279 A67491 41780559081963 DOWNGRADING OF CLASSIFICATION OF USCIB DIRECTIVES NUMBERS 1, 2, AND 3 7/9/1953 1 47270 FOLDER 279 A67493 41780589081966 DELINEATION OF FOREIGN LIAISON FUNCTIONS BETWEEN THE DIRECTOR, NATIONAL SECURITY AGENCY, AND THE EXECUTIVE SECRETARY, USCIB 7/9/1953 2 47270 FOLDER 279 A67496 41780609081968 PROPOSED TERMS OF REFERENCE FOR THE USCIB INTELLIGENCE COMMITTEE- RELATIONSHIP BETWEEN NSA AND THE COMMITTEE 7/6/1953 3 47270 FOLDER 065 A67497 41700879074020 CONFERENCE ON SERIES OF NSA CRYPTANALYTIC TEXTS AND COURSES 1/11/1955 1 47270 FOLDER 088 A67498 41702219074154 PATENT APPLICATION NO. 70,412 PLACED ON FILE WITHIN PATENT SECTION, SIGNAL CORPS, 26 MARCH 1936 3/26/1936 4 47270 FOLDER 088 A67500 41702229074155 IMPROVEMENT IN CRYPTOGRAPHS NEW PATENT APPLICATION, 12 MARCH 1936 3/12/1936 1 47270 FOLDER 279 A67501 41780619081969 COMINT CLEARANCE STANDARDS AND PROCEDURES - USCIB STANDARDS AND PROCEDURES FOR CLEARANCE OF PERSONNEL FOR COMINT 6/29/1953 13 47270 FOLDER 088 A67502 41702239074156 RECORD OF MILITARY INVENTION, FRIEDMAN/ROWLETT, 31 AUGUST 1935 8/31/1935 2 47270 FOLDER 065 A67503 41700899074022 CONFERENCE ON SERIES OF NSA CRYPTANALYTIC TEXTS AND COURSES, 30 DEC 1954; AGENDA OF CONFERENCE ON NSA CRYPTANALYTIC TEXTS AND COURSES (12 JAN 1955) 12/30/1954 4 47270 FOLDER 088 A67504 41702249074157 DESCRIPTION OF INVENTION RELATED TO CRYPTOGRAPHS, 1 JANUARY 1935; PATENT NO. 70412 APPLICATION 1/1/1935 35 47270 FOLDER 279 A67506 41780629081970 RECOMMENDATION CONCERNING THE PROPOSED TERMS OF REFERENCE FOR USCIB INTELLIGENCE COMMITTEE - VOTING PROCEDURE 6/29/1953 3 47270 FOLDER 088 A67507 41702259074158 DESCRIPTION OF CRYPTOGRAPH DEVICE INVENTED BY FRIEDMAN/ROWLETT; PATENT NO. 70412 1/1/1935 6 47270 FOLDER 088 A67508 41702269074159 DIAGRAMS AND CHANGES TO PATENT APPLICATION, FRIEDMAN/ROWLETT, 31 AUGUST 1935; PATENT NO. 70412 11/22/1935 4 47270 FOLDER 088 A67509 41702279074160 OBJECT OF FRIEDMAN/ROWLETT CRYPTOGRAHIC MACHINE, 29 JUNE 1935; PATENT NO. 70412 6/29/1935 18

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47270 FOLDER 279 A67510 41780649081972 REVISED USCIB DIRECTIVES 6/29/1953 13 47270 FOLDER 088 A67512 41702289074161 PRINCIPLES OF CRYPTOGRAPHIC INVENTION OF FRIEDMAN/ROWLETT, 15 FEBRUARY 1936; PATENT NO. 70412 2/15/1936 3 47270 FOLDER 088 A67513 41702299074162 RECORD OF FACTS IN CONNECTION WITH FRIEDMAN/ROWLETT CRYPTOLOGIC INVENTION, 31 AUGUST 1935; PATENT NO. 70412 8/31/1935 2 47270 FOLDER 279 A67514 41780669081974 PROPOSED TERMS OF REFERENCE FOR THE USCIB INTELLIGENCE COMMITTEE - PROPOSED REWORDING 6/24/1953 5 47270 FOLDER 087 A67515 41702309074163 FRIEDMAN SKETCHES - INVENTION: MEANS FOR CONTROLLING DISPLACEMENT OF CIPHER WHEELS, HEBERN TYPE OF CRYPTOGRAPH, SISDE-21 3/27/1935 3 47270 FOLDER 029 A67516 41786299082530 LETTER FROM CANINE TO VP, RCA RE ATTENDANCE AT FIRST MEETING OF NSA SCIENTIFIC ADVISORY BOARD 1/16/1953 2 47270 FOLDER 065 A67517 41700909074023 REVIEW OF "064" OPERATION IN PROD 11/16/1954 2 47270 FOLDER 065 A67518 41700929074025 TECHNICAL SUPPORT GROUP MEMBERS (IN PROD (NSA-064 -0644) 1/1/1954 2 47270 FOLDER 065 A67519 41700949074026 DIRECTOR NSA PLANS COMMANDERS AND OPERATIONS OFFICERS CONFERENCE AT NSA BEGINNING 29 MAR 1955 12/3/1954 2 47270 FOLDER 065 A67520 41700969074029 NAVY SUGGESTED AGENDA ITEMS AND ATTENDEES FOR THE NSA COMMANDERS AND OPERATIONS OFFICERS CONFERENCE 1/6/1955 2 47270 FOLDER 065 A67523 41701009074033 HANDWRITTEN AGENDA ITEMS/QUESTIONS FOR THE COMMANDERS AND OPERATIONS OFFICERS CONFERENCE 3/8/1955 2 47270 FOLDER 065 A67524 41701039074036 MESSAGE FROM CHNSA SCO TO DIRNSA REFERRING TO A DEMONSTRATION 12/8/1954 5 47270 FOLDER 065 A67526 41701059074038 MESSAGE TO AUTHORIZE ATTENDANCE AT A MACHINE DEMONSTRATION 10/21/1954 1 47270 FOLDER 065 A67527 41701079074040 HANDWRITTEN OUTLINE REFERRING TO THE HISTORY OF CRYPTOLOGY 1/1/1955 5 47270 FOLDER 065 A67528 41701089074041 HANDWRITTEN NOTE STATING A QUOTE FROM SCHOTTUS REFERRING TO THE DIFFERENT TRANSPOSITIONS OF 24 LETTERS 1/1/1955 2 47270 FOLDER 086 A67530 41702319074164 FRIEDMAN INVENTION: SIMPLE PRINTING MECHANISM FOR BAUDOT CODE SYSTEM, SISDE-22 5/3/1935 14 47270 FOLDER 085 A67531 41702329074165 FRIEDMAN INVENTION; CIPHER SYSTEM FOR TELETYPE AND RADIOTYPE (SISDE-20), 11 JANUARY 1944 1/11/1944 1 47270 FOLDER 085 A67532 41702339074166 DEPARTMENT OF STATE COVER LETTER ENCLOSING AN IBM PROPOSAL FOR A CRYPTOGRAPHIC SYSTEM; SISDE 20 5/23/1939 3 47270 FOLDER 085 A67533 41702349074167 CRYPTOGRAPHIC AND OPERATING ADVANTAGES FOR PROPOSED MACHINE, 1 JANUARY 1944; SISDE 20 1/1/1944 4 47270 FOLDER 085 A67534 41702359074168 INVENTION OF A CIPHER SYSTEM AND APPARATUS FOR PLURAL-UNIT-CODE TELEGRAPH PRINTER, 14 JUNE 1936; SISDE 20 6/14/1936 13 47270 FOLDER 279 A67535 41780709081979 APPOINTMENTS TO MEMBERSHIP ON THE USCIB SECURITY COMMITTEE 6/23/1953 2 47270 FOLDER 279 A67536 41780689081975 PROPOSED TERMS OF REFERENCE FOR USCIB INTELLIGENCE COMMITTEE- REDRAFTED FOR INFORMATION AND STUDY 6/11/1953 4 47270 FOLDER 065 A67537 41701119074045 HANDWRITTEN NOTES ABOUT COMPUTING MACHINE FUNCTIONS 1/1/1955 3 47270 FOLDER 084 A67538 41702369074169 PERSONAL FOLDER ON M-138 PATENT APPLICATION; SISDE-15 & 16, 5 MARCH 1946; APPLICATION # 300212; PATENT NO. 2395863 3/5/1946 1 47270 FOLDER 084 A67539 41702379074170 CRYPTOGRAPHIC MATERIAL ISSUED TO FOREIGN NATIONS, JANUARY 1946; CONVERTER M-228 AND ALPHABET STRIPS 1/1/1946 3 47270 FOLDER 084 A67540 41702389074171 MEMO: ADDITIONAL INFORMATION REGARDING CRYPTOGRAPHIC MATERIAL ISSUED TO FOREIGN NATIONS, JANUARY 1946; CONVERTER M-228 1/1/1946 2 47270 FOLDER 065 A67541 41701139074046 DECISION ON SERVICE TEST EQUIPMENT PROCUREMENT DURING FY 1956; BUDGET PROGRAM COMMUNICATIONS SECURITY CRYPTOLOGIC EQUIPMENT - OBJECT 009 DTD 15 JUN 19557/19/1955 4 47270 FOLDER 065 A67542 41701169074049 HANDWRITTEN NOTE CONCERNING TS #S 1/1/1955 1 47270 FOLDER 084 A67543 41702399074172 PATENT APPLICATION OF WILLIAM P. FRIEDMAN, SERIAL NO. 300, 212, FILED 19 OCTOBER 1939, FOR CRYPTOGRAPHIC DEVICES; PATENT NO. 2395863 3/7/1946 2 47270 FOLDER 084 A67544 41702409074173 APPLICATION FOR PATENT SERIAL NO. 300,212 - W.F. FRIEDMAN, 17 DECEMBER 1945 12/17/1945 1 47270 FOLDER 084 A67545 41702419074174 RELEASE OF PATENT APPLICATION SERIAL NO. 300,212, 19 OCTOBER 1939, 18 SEPTEMBER 1945 9/18/1945 1 47270 FOLDER 279 A67546 41780769081983 PROPOSED TERMS OF REFERENCE FOR THE USCIB SECURITY COMMITTEE 6/5/1953 4 47270 FOLDER 084 A67547 41702429074175 NOTIFICATION THAT PATENT APPLICATION CONTAINS INFORMATION DETRIMENTAL TO PUBLIC DEFENSE 7/16/1940 1 47270 FOLDER 084 A67548 41702439074176 PATENT APPLICATION #300212 ON A CRYPTOGRAPHIC DEVICE, 8 JULY 1940 7/8/1940 1 47270 FOLDER 084 A67549 41702449074177 APPLICATION FOR LETTERS PATENT OF THE UNITED STATES FOR A CRYPTOGRAPHIC DEVICE, 16 OCTOBER 1939 10/16/1939 1 47270 FOLDER 084 A67550 41702459074178 AMENDMENT RESPONSIVE TO PATENT OFFICE ACTION DATED NOVEMBER 9 1939, 7 MAY 1940; SERIAL NO. 300212 5/7/1940 6 47270 FOLDER 163 A67551 41747709078690 REPORT OF THE JOINT COMMITTEE ON THE PEARL HARBOR ATTACK 2/24/1947 15 47270 FOLDER 084 A67552 41702469074179 PATENT APPLICATION, SER. NO. 300,212, CRYPTOGRAPHIC DEVICE (M-138A) 4/8/1940 1 47270 FOLDER 084 A67553 41702479074180 NOTICE OF APPLICATION EXAMINATION PATENT SER. NO. 300,212 10/19/1939 2 47270 FOLDER 084 A67554 41702489074181 OBJECTIVE OF CRYPTOGRAPHIC INVENTION, 1 JANUARY 1939; SISDE 15 AND 16 1/1/1939 9 47270 FOLDER 153 A67555 41747749078694 SCIENCE AND PROGRESS?: ADDRESS BY VANNEVAR BUSH PRESIDENT, CARNEGIE INSTITUTION OF WASHINGTON BEFORE THE AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF 12/30/1954SCIENCE, DEC. 30, 1954 28 47270 FOLDER 084 A67556 41702499074182 INVENTOR CLAIMS FOR CRYPTOGRAPHIC INVENTION, PATENT NO. 300,212, 1 JANUARY 1939; SISDE 15 AND 16 1/1/1939 8 47270 FOLDER 084 A67557 41702509074183 MEMORANDUM RE CIPHER DEVICE M-138, SECTIONALIZED TYPE 5/8/1936 1 47270 FOLDER 084 A67558 41702519074184 MEMORANDUM RE CIPHER DEVICE, M-138 5/8/1936 1 47270 FOLDER 065 A67559 41701189074051 PROCEDURES FOR SERVICING COMINT AND ASSOCIATED TRAFFIC FORWARDED VIA ELECTRICAL MEANS; NSA CIRCULAR NUMBER 101-4 8/22/1955 4 47270 FOLDER 084 A67560 41702529074185 REVISED DRAFT OF SPECIFICATION AND DRAWINGS COVERING HAND-OPERATED CRYPTOGRAPHIC DEVICE; SISDE 15 AND 16 4/14/1936 17 47270 FOLDER 084 A67561 41702539074186 MEMORANDUM ON CIPHER DEVICE TYPE M-138; SISDE 15 AND 16 3/9/1936 2 47270 FOLDER 065 A67562 41701209074053 COORDINATION OF INFORMATIONAL MATERIAL FOR PUBLIC RELEASE 5/31/1955 2 47270 FOLDER 084 A67563 41702549074187 MEMORANDUM ON CIPHER DEVICE TYPE M-138, 13 MARCH 1936; SISDE 15 AND 16 3/13/1936 1 47270 FOLDER 152 A67564 41747769078696 EXAMPLES OF INTELLIGENCE OBTAINED FROM CRYPTANALYSIS, 1 AUGUST 1946 8/1/1946 11

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47270 FOLDER 084 A67566 41702559074188 REQUEST FOR INFORMATION REGARDING MR. FRIEDMAN'S EMPLOYMENT REGARDING INVENTIONS; SISDE 15 AND 16 7/12/1935 1 47270 FOLDER 065 A67567 41701229074055 REPORT OF COMMUNICATIONS SECURITY VIOLATIONS 5/27/1955 7 47270 FOLDER 065 A67568 41701249074057 REPORT OF COMMUNICATIONS SECURITY VIOLATIONS, 7 JUNE 1955; COMMUNICATIONS SECURITY VIOLATIONS BY ARMY STATIONS (40) 6/7/1955 11 47270 FOLDER 152 A67570 41747799078699 A METHOD FOR GENERATING IRREDUCIBLE POLYNOMIALS, MAY 1955 5/26/1955 4 47270 FOLDER 152 A67571 41747819078701 U.S. MAP SHOWING PROPOSED WESTERN UNION RADIO RELAY SYSTEM WITH SUPPLEMENTARY TRUNK FACILITIES, 7/29/1946 7/29/1946 1 47270 FOLDER 065 A67572 41701279074060 REPORT OF COMMUNICATIONS SECURITY VIOLATIONS, 1 JUNE 1955; COMMUNICATIONS SECURITY VIOLATIONS BY AIR FORCE STATIONS (10) 6/1/1955 12 47270 FOLDER 065 A67574 41701309074063 SCIENTIFIC AND TECHNOLOGICAL RESOURCES AS MILITARY ASSETS 4/30/1946 4 47270 FOLDER 065 A67576 41701319074064 COMMENTS TO SUPPLEMENT OF FISCAL YEAR 1948 RESEARCH AND DEVELOPMENT PROGRAM 1/1/1948 2 47270 FOLDER 065 A67579 41701349074067 PROPOSED PROGRAM FOR SELECTED WD CIVILIAN ENGINEERS; WAR DEPARTMENT'S FIELD RESEARCH AND DEVELOPMENT AGENCIES 8/18/1947 5 47270 FOLDER 065 A67581 41701379074070 EFFICIENT USE OF ADDITIONAL APPROPRIATION 10/4/1946 1 47270 FOLDER 065 A67582 41701389074071 MILITARY INTELLIGENCE CASH FUND 6/6/1947 1 47270 FOLDER 065 A67584 41701419074074 BUDGET ESTIMATE AND REQUIREMENTS IN FISCAL YEAR 1949 FOR RESEARCH AND DEVELOPMENT PERSONNEL; CROSS REFERENCE SHEET 8/27/1947 1 47270 FOLDER 279 A67585 41780799081986 PERSONNEL REQUIREMENTS OF USCIB EXECUTIVE SECRETARIAT 6/5/1953 2 47270 FOLDER 065 A67588 41701449074077 EXPENDABLE ITEMS FOR ARMY FIELD PRINTING PLANTS AND DUPLICATING UNITS; CROSS INDEX SHEET 3/8/1948 1 47270 FOLDER 065 A67590 41701459074078 COST OF MATERIAL PRODUCED FOR AS-22 2/28/1949 1 47270 FOLDER 084 A67592 41702569074189 DRAFT SPECIFICATIONS FOR BASIS OF PATENT APPLICATION ON CIPHER DEVICE TYPE M-138; SISDE 15 AND 16 7/6/1935 22 47270 FOLDER 084 A67596 41702579074190 PROPOSED CHANGE IN THE CONSTRUCTION OF CIPHER DEVICE M94, 13 JULY 1929; SISDE 15 AND 16 7/13/1929 5 47270 FOLDER 083 A67598 41702589074191 INDEX OF VARIOUS PATENTS SUBMITTED BY MR FRIEDMAN, JANUARY 1942; SISDE NUMBER INDEX FOR CIPHER DEVICES, AND MACHINES 1/1/1942 5 47270 FOLDER 082 A67602 41702599074192 SISDE-30 AUTHENTICATION DEVICE, 6 NOVEMBER 1941 11/6/1941 10 47270 FOLDER 065 A67603 41701489074081 BUDGET ESTIMATE REQUIREMENTS, 13 NOV 1947, CROSS REFERENCE SHEET; RESEARCH AND DEVELOPMENT BUDGET FOR THE DEPARTMENT OF ARMY 11/13/1947 1 47270 FOLDER 279 A67604 41780859081992 USCIB EXECUTIVE COMMITTEE - LIST OF DESIGNATED REPRESENTATIVES 5/20/1953 1 47270 FOLDER 081 A67606 41702609074193 FRIEDMAN INVENTION, SISDE-26, 8 FEBRUARY 1927 2/8/1927 2 47270 FOLDER 080 A67608 41702619074194 FRIEDMAN INVENTION - SISDE-25- AUTHENTICATING DEVICE FOR BANKS, JANUARY 1944; PATENT SERIAL NO. 551172 8/25/1944 2 47270 FOLDER 029 A67609 41786309082531 LETTER FROM WILLIAM FRIEDMAN RE ATTENDANCE AT FIRST MEETING OF NSA SCIENTIFIC ADVISORY BOARD 1/15/1953 1 47270 FOLDER 080 A67612 41702629074195 AUTHENTICATING DEVICES OF WILLIAM F. FRIEDMAN, 21 JUNE 1944; SISDE 25 8/24/1944 3 47270 FOLDER 278 A67613 41780819081988 REORGANIZATION OF CBNRC (COMMUNICATIONS BRANCH- NATIONAL RESEARCH COUNCIL) - COMINT OPERATIONS 11/9/1954 9 47270 FOLDER 080 A67614 41702639074196 ELECTRICAL SYSTEM - INVENTOR WILLIAM F. FRIEDMAN, 1 AUGUST 1944; SISDE 25 8/1/1944 2 47270 FOLDER 029 A67616 41786329082533 LETTER FROM WILLIAM FRIEDMAN RE ATTENDANCE AT MEETING OF NSA SCIENTIFIC ADVISORY BOARD 1/15/1953 1 47270 FOLDER 080 A67618 41702649074197 AUTHENTICATING DEVICES OF WILLIAM F. FRIEDMAN, 19 JULY 1944 7/19/1944 2 47270 FOLDER 080 A67620 41708429074776 INVENTION OF AUTHENTICATING DEVICE FOR COMMERCIAL USAGE, 8 JUNE 1944; SISDE 25 6/8/1944 1 47270 FOLDER 029 A67621 41786339082534 LETTER FROM WILLIAM FRIEDMAN TO WASHINGTON FIRM RE "INTERNAL COMMUNICATIONS" 1/13/1953 1 47270 FOLDER 080 A67622 41706869074618 COVER LETTER WITH APPLICATION FOR A PATENT, 17 FEBRUARY 1944; SISDE 25 2/17/1944 1 47270 FOLDER 080 A67625 41706909074622 REQUEST FOR PERMISSION TO ENTER INTO NEGOTIATIONS WITH PROSPECTIVE PURCHASER OF FRIEDMAN INVENTION; SISDE 25 4/19/1935 3 47270 FOLDER 278 A67627 41780879081994 REORGANIZATION OF CANADIAN COMINT POLICY CONTROL STRUCTURE CHANGES IN CAN/US POLICY LIAISON - USCIB 3.8/3 9/7/1954 2 47270 FOLDER 080 A67629 41706949074626 APPLICATION FOR PATENT # 551,172, AUTHENTICATING DEVICE, 16 MAY 1950; SISDE 25 5/16/1950 1 47270 FOLDER 065 A67630 41701509074083 PROPOSAL FOR SINGLE R&D BUDGET FOR THE ARMY 11/13/1947 2 47270 FOLDER 080 A67632 41706989074630 PATENT OFFICE RESPONSE TO FRIEDMAN RE PATENT # 551,172, 24 APRIL 1950; SISDE 25 4/24/1950 1 47270 FOLDER 029 A67633 41786349082535 LETTER FROM CANINE TO PRESIDENT OF BELL LABORATORIES RE MEMBERSHIP ON NSA'S SCIENTIFIC ADVISORY BOARD 1/12/1953 1 47270 FOLDER 080 A67634 41707029074634 DEPARTMENT OF COMMERCE REPORT OF EXAMINATION OF PATENT APPLICATION # 551,172, 25 AUGUST 1944; SISDE 25 8/25/1944 2 47270 FOLDER 080 A67636 41707069074638 US PATENT OFFICE RESPONSE TO PATENT APPLICATION # 551,172, 28 OCTOBER 1949; SISDE 25 10/28/1949 2 47270 FOLDER 029 A67637 41786359082536 CANINE'S LETTER TO VP, IBM RE MEMBERSHIP ON NSA'S SCIENTIFIC ADVISORY BOARD 1/14/1953 1 47270 FOLDER 080 A67638 41707099074641 RESPONSE TO AMENDMENT OF SEPTEMBER 2, 1948 TO PATENT SERIAL NO. 551172, 25 AUGUST 1944 5/11/1945 2 47270 FOLDER 080 A67640 41707129074644 RESPONSE TO FRIEDMAN REQUEST TO REVIVE ACTION ON PATENT # 551,172, 27 SEPTEMBER 1948 9/27/1948 1 47270 FOLDER 029 A67641 41786369082537 REQUEST FOR CRYPTO-CLEARANCE FOR M.M. FLOOD 1/12/1953 1 47270 FOLDER 065 A67642 41701549074087 COMMENTS ON THE RESEARCH AND DEVELOPMENT DIVISION PROGRAM FY 1949 REPORT 6/21/1948 1 47270 FOLDER 080 A67644 41707139074645 ABANDONMENT OF APPLICATION TO REVIVE PATENT # 551,172, 22 SEPTEMBER 1948 9/22/1948 1 47270 FOLDER 080 A67647 41707169074648 FRIEDMAN APPEAL TO US PATENT OFFICE REGARDING ABANDONMENT ON PATENT NO. 551,172, 18 AUGUST 1948; SISDE 25 8/18/1948 5 47270 FOLDER 278 A67648 41781679082073 REORGANIZATION OF CANADIAN COMINT POLICY CONTROL STRUCTURE - TERMS OF REFERENCE OF THE COMMUNICATIONS SECURITY BOARD 9/13/1954 3 47270 FOLDER 029 A67649 41786379082538 LETTER FROM WILLIAM FRIEDMAN TO CUSTOMS OFFICIAL RE JOB APPLICATION 1/16/1953 1 47270 FOLDER 080 A67650 41707189074650 FRIEDMAN-REVOCATION OF POWER OF ATTORNEY AND POWER OF ATTORNEY, 25 AUGUST 1944; SISDE 25 8/25/1944 1

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47270 FOLDER 080 A67652 41707219074653 RECLAMA TO US PATENT OFFICE MEMO DATED 3 FEBRUARY 1945 RE PATENT # 551,172, 28 JULY 1945; SISDE 25 7/28/1945 3 47270 FOLDER 065 A67653 41701529074085 HANDWRITTEN NOTE REFERRING TO A CODING METHOD FROM THE AN/GSQ-1 EQUIPMENT 1/1/1955 1 47270 FOLDER 080 A67655 41707249074656 FINDINGS OF US COMMERCE DEPARTMENT EXAMINER RE FRIEDMAN PATENT # 551,172, 25 AUGUST 1944; SISDE 25 2/3/1945 2 47270 FOLDER 278 A67656 41781719082077 REORGANIZATION OF CANADIAN COMINT POLICY CONTROL STRUCTURE - DIRECTOR AND COMMITTEES HAVE BEEN APPROVED 8/30/1954 3 47270 FOLDER 080 A67657 41707279074659 FRIEDMAN--PETITION TO RECEIVE PATENT ON AN AUTHENTICATING DEVICE, 23 AUGUST 1944; SISDE 25 8/23/1944 2 47270 FOLDER 029 A67659 41786389082539 LETTER FROM ADMIRAL WENGER TO WESTERN UNION CANDIDATE FOR NSA SCIENTIFIC ADVISORY BOARD 1/13/1953 1 47270 FOLDER 080 A67660 41707319074663 FRIEDMAN--GRANTING OF LICENSE FOR INVENTION TO THE US, 23 AUGUST 1944; SISDE 25 8/23/1944 1 47270 FOLDER 065 A67661 41701569074089 LISTING OF EQUIPMENTS LOCATED AT THEATRE HEADQUARTERS BASE COMMANDS 1/1/1955 4 47270 FOLDER 080 A67662 41707359074667 FRIEDMAN--ASSIGNMENT OF RIGHTS TO INVENTION TO THE US GOVERNMENT FOR ONE DOLLAR, 23 AUGUST 1944; SISDE 25 8/23/1944 1 47270 FOLDER 065 A67663 41701589074091 REVIEW OF REPLACEMENT PARTS CONTRACTS 9/5/1945 6 47270 FOLDER 029 A67664 41786399082540 LETTER FROM CANINE TO PROFESSOR VON NEUMANN OF PRINCETON RE NSA SCIENTIFIC ADVISORY BOARD; PROBABLY DRAFTED BY WILLIAM FRIEDMAN 1/9/1953 1 47270 FOLDER 277 A67667 41781779082083 POLICY ON EXCHANGE OF INFORMATION WITH CANADA - PROD REGULATION NO. 55-9 10/29/1954 10 47270 FOLDER 029 A67668 41786409082541 LETTER FROM WILLIAM FRIEDMAN DOCUMENTS DEALING WITH "INTERNAL COMMUNICATIONS" 1/7/1953 1 47270 FOLDER 080 A67670 41707379074671 FRIEDMAN--PATENT RECORD AND DESCRIPTION OF AN AUTHENTICATING DEVICE, 12 JUNE 1944; SISDE 25 6/12/1944 14 47270 FOLDER 065 A67671 41701619074094 DISTRIBUTION AND ACCOUNTING PLAN REFERRING TO CRYPTOLOGIC COMMUNICATIONS EQUIPMENT 1/1/1955 1 47270 FOLDER 080 A67673 41707439074675 FRIEDMAN INVENTS ANOTHER AUTHENTICATING DEVICE, 8 JUNE 1944; SISDE 25 6/8/1944 5 47270 FOLDER 065 A67675 41705859074517 SIGINFO (MONTHLY INFORMATIONAL DOCUMENT) 3/22/1945 2 47270 FOLDER 277 A67677 41781749082080 RELEASE TO CANADA 10/8/1954 2 47270 FOLDER 277 A67683 41781829082088 RELEASE TO CANADA OF NSASAB REPORT (USCIB 3.5/9) - ITEM NO. 3 OF THE AGENDA FOR THE 105TH MEETING OF THE USCIB 8/13/1954 6 47270 FOLDER 065 A67684 41705869074518 ALEXANDER PATTERSON SCOTLAND 3/4/1953 2 47270 FOLDER 080 A67685 41707469074678 RECORD OF DETAILS OF AGREEMENT BETWEEN FRIEDMAN AND LEO ROSEN WITH REGARD TO DEVELOPMENT AND COMMERCIAL EXPLOITATION OF A DEVICE FOR USE AMONG BANKS10/22/1943 AND BROKERAGE FIRMS,3 22 OCTOBER 1943; SISDE 25 47270 FOLDER 065 A67686 41705879074519 SAMPLE OGIVES OF J11, J12, J21, AND J22 (PERCENT CUMULATIVE FREQUENCY) 1/1/1953 3 47270 FOLDER 029 A67689 41786419082542 LETTER FROM ADMIRAL WENGER TO VP, WESTERN UNION RE NSA SCIENTIFIC ADVISORY BOARD 1/7/1953 1 47270 FOLDER 065 A67693 41705919074523 DESIGNATION OF OFFICIAL COURIER 9/21/1955 1 47270 FOLDER 079 A67694 41707499074681 RANDOMIZER FOR ELECTRIC CARD SORTER (SISDE-23), FRIEDMAN AND ROWLETT; PATENT NO. 2,166,137; SISDE-23 8/8/1944 1 47270 FOLDER 029 A67696 41786449082545 CANINE'S LETTER OF CONGRATULATIONS TO PROFESSOR GLEASON OF HARVARD 1/7/1953 1 47270 FOLDER 277 A67697 41781859082091 RELEASE TO CANADA OF NSA SCIENTIFIC ADVISORY BOARD REPORT - TABULATION OF POINTS SUBMITTED FOR THE CONVENIENCE OF MEMBERS 8/6/1954 3 47270 FOLDER 065 A67698 41705939074525 DRAFT OF AN HISTORICAL BACKGROUND OF TRAFFIC ANALYSIS AND COMMUNICATION INTELLIGENCE 5/1/1954 22 47270 FOLDER 029 A67701 41896309093522 CLEARANCE OF R.H. BRUCK; MEMO FOR CHIEF, SECURITY CONTROL DIVISION FROM WILLIAM FRIEDMAN 1/5/1953 1 47270 FOLDER 065 A67703 41705969074528 HANDWRITTEN NOTE REFERRING TO MUTUAL SECURITY ACT OF 1951, PUBLIC LAW 118, 83RD CONGRESS 1/1/1951 3 47270 FOLDER 079 A67704 41707529074684 AMENDMENT TO PATENT APPLICATION SERIAL NO. 36,868; SISDE 23 10/15/1938 10 47270 FOLDER 079 A67705 41707579074689 AMENDMENT TO PATENT APPLICATION # 36,868 12/1/1937 4 47270 FOLDER 029 A67707 41786479082548 ADDITIONAL CLEARANCES FOR SCAMP; MEMO FOR CHIEF, SECURITY CONTROL DIVISION 1/5/1953 1 47270 FOLDER 065 A67709 41706049074537 MESSAGE FROM DIRNSA TO SUSLO LONDON (PERSONAL CANINE TO FRIEDMAN) AND A HANDWRITTEN NOTE PROBABLY BY FRIEDMAN 3/11/1955 2 47270 FOLDER 079 A67710 41707599074691 DEPARTMENT OF COMMERCE RESPONSE TO AMENDMENT OF FEBRUARY 1 1937 RE SERIAL # 36,868; SISDE 23 6/7/1937 2 47270 FOLDER 079 A67712 41707629074694 FRIEDMAN PATENT APPLICATION - DEPARTMENT OF COMMERCE RESPONSE TO AMENDMENTS OF MAY 22 AND JUNE 11 1936; SISDE 23 8/21/1936 2 47270 FOLDER 079 A67715 41707649074696 DEPARTMENT OF COMMERCE RE APPLICATION # 36,868; SISDE 23 11/23/1935 1 47270 FOLDER 079 A67717 41707699074700 FRIEDMAN MEMO COMMENTS ON A MR BOARDMAN'S UNSPECIFIED DEVICE; SISDE 23 11/30/1937 1 47270 FOLDER 079 A67719 41707719074703 FRIEDMAN PATENT APPLICATION - RECORD OF MILITARY INVENTION 6/24/1935 2 47270 FOLDER 079 A67720 41707739074705 FRIEDMAN PATENT APPLICATION - SUPPLEMENT TO AMENDMENT DATED MAY 22 1936 REGARDING SERIAL NO. 36,868; SISDE 23 6/11/1936 3 47270 FOLDER 079 A67722 41707769074707 EXPLANATION OF ELECTRICAL SWITCHING MECHANISM INVENTION AND PURPOSE; SISDE 23 1/1/1935 8 47270 FOLDER 277 A67724 41781909082096 RELEASE TO CANADA OF NSA SCIENTIFIC ADVISORY BOARD REPORT ENTITLED "THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING" - RELEASING AUTHORITY FOR ELINT NOT 7/21/1954RESOLVED 3 47270 FOLDER 079 A67728 41707779074709 PATENT APPLICATION SER. NO. 36,868 ELECTRICAL SWITCHING MECHANISM; SISDE 23 11/10/1937 1 47270 FOLDER 079 A67729 41707799074711 AMENDMENT TO PATENT APPLICATION 36,868; SISDE 23 2/1/1937 5 47270 FOLDER 079 A67730 41707819074713 PATENT APPLICATION, SER. NO. 36,868 ELECTRICAL SWITCHING MECHANISM; SISDE 23 9/29/1936 1 47270 FOLDER 079 A67732 41707829074714 RESPONSE TO PATENT OFFICE ACTION DATED 23 NOVEMBER 1935; CHANGE OF TITLE OF INVENTION; SISDE 23 5/22/1936 7 47270 FOLDER 079 A67734 41707849074716 DESCRIPTION OF AND OBJECTIVE OF A RANDOMIZER INVENTION; SISDE 23 1/1/1935 9 47270 FOLDER 079 A67736 41707869074718 NEW PATENT APPLICATION, SYSTEM FOR RANDOMIZING THE RELATIONS OF ELECTRICAL CIRCUITS 8/6/1935 1 47270 FOLDER 028 A67746 41786509082551 LETTER FROM FRIEDMAN RE STATUS OF LITERATURE ON SHAKESPEARE-BACON CONTROVERSY 12/30/1952 1 47270 FOLDER 277 A67748 41781939082099 RELEASE TO CANADA OF NSA SCIENTIFIC ADVISORY BOARD REPORT ENTITLED "THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING" - DELETIONS FROM THE ROBERTSON REPORT7/9/1954 (C) 6

UNCLASSIFIED 125 UNCLASSIFIED

47270 FOLDER 277 A67750 41781969082102 CANADIAN REQUEST FOR COPIES OF NSASAB REPORT ON "THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING" - RELEASE AN EXPURGATED VERSION OF THE NSASAB REPORT5/28/1954 2 47270 FOLDER 277 A67753 41781999082105 RELEASE TO CANADA OF NSA SCIENTIFIC ADVISORY BOARD REPORT ENTITLED " THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING" - DELETIONS FROM THE ROBERTSON REPORT7/9/1954 5 47270 FOLDER 277 A67754 41782029082108 RELEASE TO CANADA OF NSA SCIENTIFIC ADVISORY BOARD REPORT ENTITLED "THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING" - THE USCIBEC DECISION IS CONSIDERED APPROVED6/1/1954 1 47270 FOLDER 277 A67757 41782059082111 CANADIAN REQUEST FOR COPIES OF NSA SCIENTIFIC ADVISORY BOARD ENTITLED "THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING" - REPORT IS INCOMPLETE WITHOUT ELINT5/6/1943 APPENDIX 1 47270 FOLDER 028 A67758 41786549082555 LETTER FROM CANINE TO VP, ENGINEERING RESEARCH ASSOCIATES RE MEMBERSHIP ON NSA SCIENTIFIC ADVISORY BOARD 12/31/1952 1 47270 FOLDER 277 A67760 41782079082113 CANADIAN REQUEST FOR COPIES OF NSA SCIENTIFIC ADVISORY BOARD REPORT ENTITLED " THE POTENTIALITIES OF COMINT FOR STRATEGIC WARNING" - APPENDIX X OF THE REPORT5/4/1954 FROM DIRNSA WAS RECEIVED1 BEFORE THE REPORT PROPER 47270 FOLDER 028 A67762 41786569082557 CANINE LETTER TO PROFESSOR WILKES RE MEMBERSHIP ON SCIENTIFIC ADVISORY BOARD 12/30/1952 1 47270 FOLDER 028 A67764 41786589082559 WILLIAM F FRIEDMAN LETTER: TWO ARTICLES TO CONSIDER CRYPTOLOGY AS A PROFESSION 12/24/1952 1 47270 FOLDER 276 A67765 41782129082118 NEW TITLE FOR THE SENIOR CANADIAN LIAISON OFFICER, WASHINGTON - CANSLO 6/10/1954 1 47270 FOLDER 028 A67766 41786619082562 RALPH J CANINE LETTER: COMMENT ON PROJECT SCAMP 12/22/1952 1 47270 FOLDER 028 A67767 41786639082564 J N WENGER LETTER: AN INVITATION TO BECOME A SPECIAL CONSULTANT AND THE ADVISORY BOARD 12/23/1952 2 47270 FOLDER 028 A67768 41786659082566 RALPH J CANINE LETTER: REQUESTING DR KELLY DESIGNATE SOMEONE IN THE FIELD OF COMMUNICATION THEORY GENERAL ELECTRONICS TRANSISTOR DEVELOPMENT OR ALLIED FIELDS12/23/1952 TO SERVE ON THE NSASAB2 47270 FOLDER 276 A67769 41782149082120 REPLACEMENT OF CBSLO - EXECUTIVE SECRETARY INFORMED 3/25/1954 1 47270 FOLDER 275 A67770 41782189082124 TENTATIVE MINUTES FOR THE 117TH MEETING OF THE USCIB 7/27/1955 4 47270 FOLDER 275 A67771 41782209082126 APPROVAL OF THE MINUTES OF THE 116TH MEETING OF USCIB 7/7/1955 2 47270 FOLDER 275 A67772 41782239082129 AGENDA FOR THE 117TH MEETING OF THE USCIB 6/29/1955 2 47270 FOLDER 028 A67773 41786679082568 RALPH J CANINE LETTER: FORWARDED AN INVITATION TO BE A MEMBER OF NSASAB 12/22/1952 2 47270 FOLDER 275 A67774 41782269082132 TENTATIVE MINUTES OF THE 116TH MEETING OF THE USCIB - REQUEST ANY DESIRED CHANGES 6/27/1955 3 47270 FOLDER 028 A67775 41786699082570 WILLIAM F FRIEDMAN LETTER: CERTIFICATION OF PUBLIC LAW 513 12/15/1952 1 47270 FOLDER 028 A67776 41786709082571 RALPH J CANINE LETTER: FORWARDED INVITATION TO BECOME A MEMBER OF THE NSA SCIENTIFIC ADVISORY BOARD 12/16/1952 2 47270 FOLDER 028 A67777 41786739082575 J N WENGER LETTER: SCIENTIFIC ADVISORY BOARD 12/12/1952 2 47270 FOLDER 275 A67778 41782299082135 APPROVAL OF MINUTES OF THE 115TH MEETING OF THE USCIB - ATTACHED CORRECTED PAGES FOR REVIEW 6/17/1955 2 47270 FOLDER 028 A67779 41786789082579 J N WENGER LETTER: RECOMMEND SPECIALISTS IN THE TELECOMMUNICATION ENGINEERING FIELD TO SERVE AS A REP ON THE NSASAB 12/12/1952 2 47270 FOLDER 275 A67780 41782319082137 AGENDA FOR THE 116TH MEETING OF THE USCIB - TO BE HELD AT THE CIA HEADQUARTERS 6/3/1955 2 47270 FOLDER 275 A67781 41782309082136 TENTATIVE MINUTES FOR THE 115TH MEETING OF THE USCIB - ADVISE OF ANY REQUIRED CHANGES 6/6/1955 4 47270 FOLDER 028 A67782 41786829082583 J N WENGER LETTER: VON NEUMANN INVITED TO BECOME A MEMBER OF NSASAB 12/11/1952 2 47270 FOLDER 028 A67783 41786849082585 RALPH J CANINE LETTER: - AFSA REGULATION NO. 20-10 DTD 21 AUG 52, SUBJ: ARMED FORCES SECURITY AGENCY SCIENTIFIC ADVISORY BOARD 12/13/1952 1 47270 FOLDER 028 A67784 41786869082587 WILLIAM F FRIEDMAN MEMO TO OBTAIN ADDITIONAL CLEARANCES FOR ADVISORY BOARD 12/9/1952 1 47270 FOLDER 028 A67785 41786879082588 WILLIAM F FRIEDMAN: "ESTABLISHMENT OF NATIONAL SECURITY AGENCY RESEARCH AND DEVELOPMENT ADVISORY COUNCIL AND TECHNICAL COMMITTEES" 12/5/1952 1 47270 FOLDER 079 A67786 41707889074720 LETTER GRANTING PERMISSION FOR FRIEDMAN/ROWLETT TO ENTER INTO NEGOTIATIONS WITH INDUSTRIAL ORGANIZATIONS FOR SALE OF INVENTION, 21 AUGUST 1935; SISDE 23 8/21/1935 3 47270 FOLDER 079 A67787 41707909074722 NOTIFICATION OF INVENTION OF AN ATTACHMENT TO THE ELECTRICAL COUNTING SORTER; SISDE 23 6/26/1935 6 47270 FOLDER 078 A67788 41707929074724 RANDOMIZER PATENT PAPERS; ELECTRICAL SWITCHING MECHANISM; PATENT APPLICATION NO. 36,868; SISDE 23 7/18/1939 4 47270 FOLDER 078 A67789 41707949074726 US PATENT APPLICATION, ELECTRICAL SWITCHING MECHANISM, SERIAL NO. 36,868, 21 APRIL 1939; SISDE 23 4/21/1939 1 47270 FOLDER 078 A67790 41707969074728 US PATENT OFFICE DOCUMENTATION OF PATENT 2,166,137, ELECTRICAL SWITCHING MECHANISM, 19 AUGUST 1935; SISDE 23 8/19/1935 1 47270 FOLDER 078 A67791 41707979074729 NOTIFICATION OF APPROVAL FOR PATENT APPLICATION SERIAL NO. 36,868, 19 APRIL 1939; SISDE 23 4/19/1939 3 47270 FOLDER 078 A67792 41707999074731 PATENT APPLICATION, SER. NO. 36,868, ELECTRICAL SWITCHING MECHANISM, 12 APRIL 1939; SISDE 23 4/12/1939 1 47270 FOLDER 078 A67793 41708019074733 NOTICE OF CLAIM REJECTION RE PATENT APPLICATION NO. 36,868; SISDE 23 3/21/1939 2 47270 FOLDER 078 A67794 41708039074735 RESPONSE TO US PATENT OFFICE ACTION DATED APRIL 18 1938 RE PATENT APPLICATION NO. 36,868; SISDE 23 10/15/1938 10 47270 FOLDER 078 A67795 41708049074736 US PATENT OFFICE DOCUMENTATION OF PATENT NO. 1,643,852, AN ELECTRIC TIME-ELEMENT DEVICE, 12 APRIL 1924; SISDE 23 4/12/1924 8 47270 FOLDER 078 A67796 41708059074737 PATENT APPLICATION, SER. NO. 36,868, ELECTRICAL SWITCHING MECHANISM, 12 MAY 1938; SISDE 23 5/12/1938 1 47270 FOLDER 078 A67797 41708069074738 US PATENT OFFICE DOCUMENTATION FOR PATENT SERIAL NO. 1,863,658, A SWITCH MECHANISM FOR SIGNAL AND OTHER ELECTRICAL CIRCUITS, 23 OCTOBER 1930; SISDE 23 6/21/1932 8 47270 FOLDER 078 A67798 41708089074740 RESPONSE TO AMENDMENT OF DECEMBER 1, 1937 RE PATENT APPLICATION NO. 36,868, 18 APRIL 1938; SISDE 23 4/18/1938 4 47270 FOLDER 078 A67799 41708109074742 EXAMINERS REJECTION OF CERTAIN CLAIMS RE PATENT APPLICATION NO. 36,868; SISDE 23 1/1/1938 3 47270 FOLDER 078 A67800 41708159074748 US PATENT OFFICE DOCUMENTATION OF PATENT NO. 1,600,753, A METHOD OF CONTROLLING ELEVATORS, 12 APRIL 1924; SISDE 23 9/21/1926 17 47270 FOLDER 078 A67801 41708289074762 US PATENT OFFICE DOCUMENTATION OF PATENT NO. 1,699,122, A CONTROL SYSTEM, 21 JANUARY 1927; SISDE 23 1/15/1929 6 47270 FOLDER 078 A67802 41708419074773 LETTER FROM FRIEDMAN TO IBM RE DISCUSSIONS ON A RANDOMIZER ATTACHMENT; SISDE 23 4/13/1938 1 47270 FOLDER 078 A67803 41708569074789 RESPONSE TO US PATENT OFFICE ACTION DATED JUNE 9, 1937, 1 DECEMBER 1937; SISDE 23 12/1/1937 4 47270 FOLDER 078 A67804 41708699074803 DEPARTMENT OF COMMERCE RESPONSE TO AMENDMENT OF PATENT NO. 36,868, 7 JUNE 1937; SISDE 23 6/7/1937 2 47270 FOLDER 078 A67805 41708849074817 DEPARTMENT OF COMMERCE RESPONSE TO PATENT AMENDMENTS FILED MAY 22 AND JUNE 11, 1936 RE PATENT APPLICATION NO. 36,868; SISDE 23 8/21/1936 2 47270 FOLDER 078 A67806 41708919074823 COMMERCE DEPARTMENT NOTICE OF INCOMPLETE APPLICATION RE SERIAL NO. 36,868, 23 NOVEMBER 1935; SISDE 23 11/23/1935 1

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47270 FOLDER 078 A67807 41708939074825 COMMENTS REGARDING A FRICTION DRIVE; SISDE 23 11/30/1937 1 47270 FOLDER 078 A67808 41708949074826 RECORD OF MILITARY INVENTION, A SYSTEM FOR RANDOMIZING THE RELATIONS OF ELECTRICAL CIRCUITS, 19 JUNE 1935; SISDE 23 6/19/1935 2 47270 FOLDER 078 A67809 41708979074828 REQUEST FOR INFORMATION REGARDING FRIEDMAN WORK ON AN INVENTION; SISDE 23 7/12/1935 1 47270 FOLDER 078 A67810 41708989074829 SUPPLEMENT TO AMENDMENT DATED MAY 22 1936 RE PATENT APPLICATION SERIAL NO. 36,868, 11 JUNE 1936; SISDE 23 6/11/1936 3 47270 FOLDER 078 A67811 41709009074832 DESCRIPTION OF FRIEDMAN INVENTION, AN ELECTRICAL SWITCHING MECHANISM; SISDE 23 1/1/1935 8 47270 FOLDER 078 A67815 41709019074833 PATENT APPLICATION, SER. NO. 36,868 ELECTRICAL SWITCHING MECHANISM, 10 NOVEMBER 1937; SISDE 23 11/10/1937 1 47270 FOLDER 078 A67816 41709029074834 RESPONSE TO PATENT OFFICE ACTION DATED AUGUST 21, 1936; SISDE 23 2/1/1937 5 47270 FOLDER 078 A67817 41709039074835 PATENT APPLICATION, SER. NO. 36,868, ELECTRICAL SWITCHING MECHANISM, 29 SEPTEMBER 1936; SISDE 23 9/29/1936 1 47270 FOLDER 078 A67818 41709049074837 RESPONSE TO PATENT OFFICE ACTION DATED NOVEMBER 20, 1935; SISDE 23 5/22/1936 7 47270 FOLDER 078 A67820 41709079074839 DESCRIPTION AND OBJECTIVE OF INVENTION, PATENT APPLICATION NO. 36,868; SISDE 23 6/24/1935 14 47270 FOLDER 078 A67821 41709099074841 NEW PATENT APPLICATION, SYSTEM FOR RANDOMIZING THE RELATIONS OF ELECTRICAL CIRCUITS, 6 AUGUST 1935; SISDE 23 8/6/1935 1 47270 FOLDER 078 A67824 41709109074842 APPROVAL TO ENTER INTO NEGOTIATIONS FOR POSSIBLE SALE OF INVENTION; SISDE 23 8/21/1935 1 47270 FOLDER 078 A67826 41709119074843 NOTIFICATION OF INVENTION - ATTACHMENT TO ELECTRICAL COUNTING SORTER; SISDE 23 6/26/1935 1 47270 FOLDER 078 A67827 41709129074844 US PATENT OFFICE DOCUMENTATION OF PATENT NO. 2,005,890; A MOTOR CONTROL UNIT, 13 NOVEMBER 1929; SISDE 23 6/25/1935 11 47270 FOLDER 078 A67829 41709139074845 US PATENT OFFICE DOCUMENTATION FOR INVENTION NO. 1,944,692, 6 JANUARY 1928; SISDE 23 1/23/1934 9 47270 FOLDER 078 A67831 41709149074846 US PATENT OFFICE DOCUMENTATION OF PATENT NO. 1,902,013, 16 APRIL 1925; SISDE 23 3/21/1933 8 47270 FOLDER 078 A67832 41709169074849 US PATENT OFFICE DOCUMENTATION OF PATENT NO. 1,930,262; A SORTING MACHINE; SISDE 23 10/10/1933 5 47270 FOLDER 078 A67833 41709189074851 REPUBLIC OF FRANCE DOCUMENTATION OF INVENTION NO. 522,443, 26 JULY 1920; SISDE 23 7/26/1920 3 47270 FOLDER 078 A67842 41709209074852 US PATENT OFFICE DOCUMENTATION OF FRENCH NATIONAL INVENTION; PATENT NO. 1,184,264, 23 MAY 1916; SISDE 23 5/23/1916 4 47270 FOLDER 078 A67845 41709229074853 US PATENT OFFICE DOCUMENTATION OF PATENT NO. 1,732,488; A LIGHT FLASHING SYSTEM; SISDE 23 10/22/1929 5 47270 FOLDER 077 A67848 41709249074857 PRELIMINARY HISTORICAL REPORT ON THE SOLUTION OF THE "B" MACHINE, 4 DECEMBER 1945 12/4/1945 13 47270 FOLDER 275 A67850 41782359082141 REVISED AGENDA FOR 115TH MEETING OF USCIB - BACKGROUND INFORMATION ON AGENDA ITEMS 5/16/1955 3 47270 FOLDER 076 A67852 41709289074860 INDEX OF FRIEDMAN PATENTS W/TITLES, 5 MARCH 1946 3/5/1946 6 47270 FOLDER 075 A67854 41709299074861 WAR DEPARTMENT TECHNICAL MANUAL; CONVERTER M-209, M-209-A, M-209-B (CIPHER), 17 MARCH 1944 3/17/1944 68 47270 FOLDER 275 A67857 41782379082143 APPROVAL OF THE MINUTES OF THE 114TH MEETING OF USCIB - DELETE TENTATIVE FROM INITIAL PAGE 5/9/1955 2 47270 FOLDER 275 A67858 41782409082146 AGENDA FOR 115TH MEETING OF THE USCIB 5/9/1955 1 47270 FOLDER 275 A67861 41782429082148 TENTATIVE MINUTES OF 114TH MEETING OF USCIB - ADVISE OF DESIRED CHANGES 4/18/1955 4 47270 FOLDER 275 A67863 41782459082151 APPROVAL OF THE MINUTES OF THE 113TH MEETING OF USCIB - TENTATIVE AND FINAL TEXTS 4/5/1955 2 47270 FOLDER 028 A67864 41786899082590 WILLIAM FRIEDMAN: MINIMUM HEIGHT WAVIER FOR THE NAVAL RESERVE FOR AN INDIVIDUAL 12/2/1952 1 47270 FOLDER 275 A67865 41782489082153 AGENDA FOR 114TH MEETING OF THE USCIB APRIL 8, 1955 - TO BE CHAIRED BY MR. ALLEN DULLES 4/4/1955 2 47270 FOLDER 275 A67866 41782509082156 TENTATIVE MINUTES OF THE 113TH MEETING OF THE USCIB 3/24/1955 4 47270 FOLDER 028 A67867 41786909082591 WILLIAM F. FRIEDMAN: DESIGNATED RECORDS OFFICER FOR THE OFFICE OF THE CONSULTANT 11/26/1952 1 47270 FOLDER 028 A67868 41786929082593 WILLIAM F FRIEDMAN: RESERVE OFFICER IS DOING RESEARCH TO SOLVE A 16TH CENTURY BOOK 11/25/1952 2 47270 FOLDER 028 A67869 41786949082595 WILLIAM F FRIEDMAN: ADDITIONAL CLEARANCES FOR SCAMP AND ADVISORY BOARD 11/18/1952 2 47270 FOLDER 028 A67870 41786979082597 WILLIAM F FRIEDMAN LETTER: FORWARDED TECHNICAL PAPERS 11/14/1952 1 47270 FOLDER 028 A67871 41786999082599 RALPH J CANINE: INTERVIEW WITH CHIEF OF THE PATENT DEPARTMENT OF A GERMAN MANUFACTURING FIRM 11/12/1952 2 47270 FOLDER 275 A67874 41782549082159 APPROVAL OF THE MINUTES OF THE 112TH MEETING OF THE USCIB 3/9/1955 1 47270 FOLDER 028 A67875 41787019082602 RALPH J CANINE LETTER TO DR. JOHN CURTISS 11/5/1952 2 47270 FOLDER 275 A67876 41782569082162 TENTATIVE MINUTES OF THE 112TH MEETING OF THE USCIB 3/2/1955 4 47270 FOLDER 275 A67877 41782619082169 AGENDA FOR THE 113TH MEETING OF THE USCIB MARCH 11, 1955 - CHAIRED BY MR. DULLES 3/4/1955 20 47270 FOLDER 028 A67878 41787029082603 RALPH J CANINE LETTER: DESIGNATING A CHAIRMAN FOR THE NEXT SCAMP CONFERENCE 11/5/1952 1 47270 FOLDER 275 A67879 41782669082172 APPROVAL OF THE MINUTES OF THE 111TH MEETING OF THE USCIB 2/9/1955 2 47270 FOLDER 275 A67880 41782809082186 AGENDA OF THE 112TH MEETING OF THE USCIB FEBRUARY 11, 1955 - CHAIRED BY MR. ALLEN DULLES 2/4/1955 1 47270 FOLDER 275 A67881 41782829082188 TENTATIVE MINUTES OF THE 111TH MEETING OF THE USCIB - ADVISE OF ANY DESIRED CHANGES 1/25/1955 5 47270 FOLDER 275 A67882 41782849082190 APPROVAL OF THE MINUTES OF THE 110TH MEETING OF THE USCIB - MINUTES ARE APPROVED 1/12/1955 1 47270 FOLDER 275 A67883 41782859082191 AGENDA FOR THE 111TH MEETING OF THE USCIB JANUARY 14, 1955 - MR. ALLEN DULLES , CHAIRMAN 1/10/1955 1 47270 FOLDER 275 A67884 41782929082198 TENTATIVE MINUTES OF THE 110TH MEETING OF THE USCIB - ADVISE OF CHANGES 12/28/1954 4 47270 FOLDER 275 A67891 41782949082200 APPROVAL OF THE MINUTES OF THE 109TH MEETING OF THE USCIB - NO OBJECTIONS RECEIVED 12/7/1954 1 47270 FOLDER 275 A67894 41782979082203 APPROVAL OF THE MINUTES OF THE 108TH MEETING OF THE USCIB - DELETE THE WORD TENTATIVE FROM COPY 12/2/1954 1 47270 FOLDER 028 A67896 41787059082606 WILLIAM F FRIEDMAN: GEN CANINE REQUESTS INFO ON LARGE INDUSTRIAL ORGANIZATIONS WITH A VIEW TO IMPROVING "INTERNAL COMMUNICATIONS" 11/3/1952 1

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47270 FOLDER 028 A67897 41896319093523 GENERAL CANINE LETTER: THANK YOU NOTE TO THE CHAIRMAN OF THE NEW AFSA SCIENTIFIC ADVISORY BOARD 10/22/1952 4 47270 FOLDER 028 A67898 41787099082610 WILLIAM F FRIEDMAN LETTER: YARDLEY'S "THE AMERICAN BLACK CHAMBER" 10/21/1952 1 47270 FOLDER 275 A67899 41783009082205 TENTATIVE MINUTES FOR THE 107TH MEETING OF THE USCIB - ADD CORRECTION 11/18/1954 3 47270 FOLDER 275 A67903 41783029082208 FINAL MINUTES OF THE 109TH MEETING OF THE USCIB 12/24/1954 3 47270 FOLDER 028 A67904 41787129082613 RALPH J CANINE LETTER: COMMENTS ON REPORT TO RECRUIT MATHEMATICIANS INTO PERMANENT POSITIONS 10/17/1952 1 47270 FOLDER 028 A67905 41787139082614 RALPH J CANINE LETTER: THANK YOU NOTE FOR COMMENTS AFTER REVIEW OF A REPORT TO FOCUS RECRUITMENT OF MATHEMATICIANS FOR EMPLOYMENT 10/17/1952 1 47270 FOLDER 275 A67906 41783049082210 FINAL MINUTES OF THE 108TH MEETING OF THE USCIB 11/15/1954 4 47270 FOLDER 275 A67907 41783089082214 AGENDA FOR THE 109TH MEETING OF USCIB - TWO NEW ITEMS 11/8/1954 2 47270 FOLDER 275 A67908 41783119082216 NUMBERING OF USCIB MEETINGS - ERROR CORRECTION 11/8/1954 1 47270 FOLDER 275 A67909 41783139082219 AGENDA FOR THE 109TH MEETING OF THE USCIB - INCLUDES BACKGROUND INFORMATION 11/4/1954 2 47270 FOLDER 275 A67911 41783169082222 FINAL MINUTES OF THE 107TH MEETING OF THE USCIB - CONSIDERED APPROVED BY 17 NOVEMBER 1954 11/2/1954 2 47270 FOLDER 275 A67913 41783189082224 AGENDA FOR THE 108TH MEETING OF THE USCIB OCTOBER 26, 1954 - TO BE CHAIRED BY MR. ALLEN DULLES 10/21/1954 2 47270 FOLDER 275 A67916 41783219082226 APPROVAL OF THE MINUTES OF THE 106TH MEETING OF THE USCIB 10/13/1954 1 47270 FOLDER 275 A67919 41783239082228 OCTOBER MEETING OF THE USCIB 10/1/1954 1 47270 FOLDER 275 A67924 41783259082230 TENTATIVE MINUTES OF THE 106TH MEETING OF THE USCIB - CONSIDERED APPROVED AFTER 8 OCTOBER 1954 9/23/1954 4 47270 FOLDER 028 A67926 41787159082616 GENERAL CANINE LETTER: REQUESTED COMMENTS OF LETTER RECOMMENDING RECRUITMENT OF MATHEMATICIANS FOR EMPLOYMENT 10/13/1952 1 47270 FOLDER 275 A67927 41783279082232 FINAL MINUTES OF THE 105TH MEETING OF THE USCIB - CHAIRED BY GENERAL CABELL 9/7/1954 5 47270 FOLDER 028 A67929 41790709082970 RALPH J CANINE LETTER: REQUESTED COMMENTS ON A REPORT RECOMMENDING TO RECRUIT MATHEMATICIANS FOR EMPLOYMENT 10/13/1952 1 47270 FOLDER 275 A67931 41783289082234 AGENDA FOR THE 106TH MEETING OF THE USCIB SEPTEMBER 10, 1954 9/3/1954 3 47270 FOLDER 275 A67934 41783319082237 TENTATIVE MINUTES OF THE 105TH MEETING OF THE USCIB - AFTER 3 SEPTEMBER 1954, MINUTES WILL BE CONSIDERED AS FINAL 8/20/1954 11 47270 FOLDER 028 A67936 41787299082630 RALPH J CANINE LETTER: ESTABLISHING SCIENTIFIC ADVISORY BOARD MEMBERSHIP 10/9/1952 2 47270 FOLDER 275 A67938 41783359082241 CONSIDERATION OF CONFERENCE REPORT 8/13/1954 6 47270 FOLDER 028 A67941 41787339082635 WILLIAM F FRIEDMAN: ATHENEUM-STIFTUNG, LISTS THE MOST RECENT DEVELOPMENTS IN THE DEAL WITH ATHENEUM TO ACQUIRE A KEY GENERATOR 9/29/1952 1 47270 FOLDER 275 A67942 41783419082249 AGENDA FOR THE 105TH MEETING OF THE USCIB AUGUST 13, 1954 - BACKGROUND INFORMATION REGARDING THE AGENDA ITEMS 8/6/1954 3 47270 FOLDER 275 A67947 41783449082250 APPROVAL OF THE MINUTES OF THE 104TH MEETING OF USCIB - NO OBJECTIONS RECEIVED 7/26/1954 1 47270 FOLDER 275 A67948 41783469082252 TENTATIVE MINUTES OF THE 104TH MEETING OF USCIB - FINAL AFTER 23 JULY 1954 7/9/1954 4 47270 FOLDER 275 A67949 41783479082253 CANCELLATION OF JULY MEETING - LACK OF PRESSING BUSINESS 7/2/1954 1 47270 FOLDER 275 A67950 41783499082255 APPROVAL OF THE MINUTES OF THE 103RD MEETING OF THE USCIB - SUBJECT TO INSERTION OF ATTACHED CORRECTED PAGES 7/1/1954 3 47270 FOLDER 275 A67951 41783549082260 TENTATIVE MINUTES OF THE COMBINED USCIB-USCSB MEETING JUNE 3, 1954 - CONSIDERED APPROVED AFTER 1200, 24 JUNE 1954 6/9/1954 3 47270 FOLDER 028 A67961 41787369082636 J R DENNIS LETTER: TO DEPUTY DIRECTOR PLANS, CIA, RECOMMENDATION ON STUDY AND CONSTRUCTION OF DEVICE 9/24/1952 1 47270 FOLDER 275 A67964 41783569082262 DRAFT OF MINUTES OF THE 104 MEETING OF THE USCIB JUNE 11, 1954 7/9/1954 5 47270 FOLDER 028 A67966 41896329093524 WILLIAM F FRIEDMAN: LETTER: SUGGESTIONS ON RESEARCH AND DEVELOPMENT PROGRAMS 9/26/1952 1 47270 FOLDER 275 A67967 41783589082264 AGENDA FOR THE 104TH MEETING OF THE USCIB - BACKGROUND INFORMATION INCLUDED 6/4/1954 2 47270 FOLDER 275 A67969 41783609082266 TENTATIVE MINUTES OF THE 103 MEETING OF THE USCIB - CONSIDERED APPROVED AFTER 21 JUNE 1954 6/4/1954 3 47270 FOLDER 275 A67970 41783629082268 FINAL MINUTES OF THE 102ND MEETING OF THE USCIB 5/25/1954 6 47270 FOLDER 275 A67975 41783649082270 BRIEFING SHEET FOR GENERAL CANINE ON ITEM 5 OF THE USCIB 103RD MEETING AGENDA 5/1/1954 16 47270 FOLDER 275 A67977 41783669082272 APPROVAL OF THE FINAL MINUTES OF THE 101ST AND 102ND MEETINGS OF THE USCIB 5/14/1954 1 47270 FOLDER 275 A67979 41783679082273 AGENDA FOR THE 103RD MEETING OF THE USCIB MAY 14, 1954 - INCLUDES ATTACHED BACKGROUND INFORMATION 5/7/1954 2 47270 FOLDER 275 A67981 41783699082274 TENTATIVE MINUTES OF THE 102ND MEETING OF THE USCIB - MINUTES WILL BE APPROVED AFTER 7 MAY 1954 4/22/1954 3 47270 FOLDER 275 A67994 41783719082277 APPROVAL OF THE MINUTES OF THE 101ST MEETING OF THE USCIB - 4/20/1954 2 47270 FOLDER 080 A67995 41709309074862 HANDWRITTEN NOTES AND DIAGRAM OF AN UNSPECIFIED DEVICE; SISDE 25 4/26/1944 2 47270 FOLDER 275 A67997 41783709082275 AGENDA FOR THE 102ND MEETING OF THE USCIB APRIL 9, 1954 - INCLUDES BACKGROUND INFORMATION 4/1/1954 2 47270 FOLDER 275 A67999 41783729082278 TENTATIVE MINUTES OF THE 101ST MEETING OF THE USCIB - CONSIDERED APPROVED 14 APRIL 1954 3/29/1954 4 47270 FOLDER 275 A68003 41783739082279 FINAL MINUTES OF THE 100TH MEETING OF THE USCIB 3/10/1954 3 47270 FOLDER 275 A68006 41783749082280 AGENDA OF THE 101ST MEETING OF THE USCIB MARCH 12, 1954 - INCLUDES BACKGROUND INFORMATION 3/8/1954 2 47270 FOLDER 275 A68010 41783769082282 TENTATIVE MINUTES OF THE 102ND MEETING OF THE USCIB - MINUTES WILL BE APPROVED AFTER 7 MAY 1954 3/1/1954 4 47270 FOLDER 275 A68013 41783779082283 TENTATIVE MINUTES OF THE 88TH MEETING OF THE USCIB 7/24/1953 4 47270 FOLDER 028 A68017 41787399082641 WILLIAM F FRIEDMAN LETTER: EXECUTIVE GROUP FOR SECURITY INTELLIGENCE EQUIPMENT, BEING FURNISHED READING MATERIAL FOR INDOCTRINATION 9/25/1952 1 47270 FOLDER 275 A68020 41783789082284 MINUTES (TENTATIVE AND FINAL) FOR THE 86TH (SPECIAL) MEETING OF THE USCIB - HELD AT CIA HEADQUARTERS 5/28/1953 6 47270 FOLDER 274 A68024 41783799082285 CHANGE IN FBI MEMBERSHIP OF THE USCIB - NEW BUREAU REPRESENTATIVE TO BOARD 7/28/1955 2

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47270 FOLDER 028 A68025 41787419082642 RALPH J CANINE LETTER: TO DR MINA REES, PROFESSOR CAIRNS, AND FRIEDMAN AGREE ON USEFULNESS TO HAVE COMMENTS FROM QUALIFIED MATHEMATICIANS 9/18/1952 2 47270 FOLDER 274 A68027 41783819082287 MEMBERSHIP ROSTERS OF THE USCIB AND COMMITTEES THEREOF 4/5/1955 5 47270 FOLDER 028 A68033 41787439082644 RALPH J. CANINE LETTER: PLANS FOR THE NEXT INSTITUTE FOR MEMORIAL ANALYSIS SYMPOSIUM 9/18/1952 1 47270 FOLDER 274 A68034 41783849082290 REPLACEMENT OF THE INCUMBENT EXECUTIVE SECRETARY, USCIB 3/30/1955 1 47270 FOLDER 274 A68037 41783869082292 CHANGE IN NAVY USCIBEC MEMBERSHIP 2/2/1955 1 47270 FOLDER 274 A68039 41783889082294 CHANGE IN NSA MEMBERSHIP OF THE USCIBEC 2/2/1955 1 47270 FOLDER 274 A68040 41783899082295 CHANGE IN CIA MEMBERSHIP OF USCIB 8/16/1954 1 47270 FOLDER 274 A68041 41783929082298 CHANGE IN ARMY MEMBERSHIP OF USCIB 6/30/1954 1 47270 FOLDER 028 A68042 41787469082647 RALPH J CANINE LETTER: TO DR H P ROBERTSON, ENCLOSING COPY OF PROF CAIRNS CONFIDENTIAL REPORT 9/18/1952 1 47270 FOLDER 274 A68043 41783939082299 CHANGE IN FBI MEMBERSHIP OF THE USCIBEC 6/28/1954 1 47270 FOLDER 028 A68044 41787479082648 RALPH J CANINE LETTER: TO DR HOWARD T ENGSTROM, PROF CAIRNS, CHIEF OF 03, AND FRIEDMAN AGREED IT WAS USEFUL TO HAVE COMMENTS FROM QUALIFIED MATHEMATICIANS9/16/1952 ON THE SYMPOSIUM 2 47270 FOLDER 028 A68045 41787499082650 WILLIAM F FRIEDMAN MEMO CHIEF SECURITY CONTROL DIVISION, CERTIFICATION OF PUBLIC LAW 513 9/12/1952 1 47270 FOLDER 028 A68046 41787509082651 WILLIAM F FRIEDMAN LETTER: TO MR W M BOWERS, ACKNOWLEDGES RECEIPT OF LETTER AND ENCLOSURES 9/10/1952 1 47270 FOLDER 028 A68048 41787529082653 P P LEIGH MEMO TO BRIGADIER TILTMAN, BLO, GCCS HISTORIES 9/12/1952 1 47270 FOLDER 274 A68049 41783959082300 CHANGE IN U.S. AIR FORCE MEMBERSHIP OF THE USCIBEC 6/14/1954 1 47270 FOLDER 274 A68050 41783969082302 ROSTERS OF THE USCIB MEMBERSHIP AND ITS SUBORDINATE ELEMENTS 5/3/1954 5 47270 FOLDER 028 A68051 41787549082655 WILLIAM F FRIEDMAN LETTER: TO MR BORIS HAGELIN JR, LOOKING FOR MORE DETAILED INFORMATION, TALKS ABOUT A PERSONAL VISIT 8/21/1952 1 47270 FOLDER 274 A68052 41783999082305 CHANGE IN FBI MEMBERSHIP OF THE USCIBEC - NEW APPOINTMENT 3/2/1954 1 47270 FOLDER 028 A68053 41787569082657 WILLIAM F FRIEDMAN LETTER: TO COLONEL ERIC H F SVENSON, TRIED TO GET THE COLONEL FOR A TOUR (AT NSA) BUT TURNED DOWN COLD 8/21/1952 1 47270 FOLDER 273 A68054 41784019082307 REPLACEMENT OF THE EXECUTIVE SECRETARY USCIB / USCSB - NEW EXECUTIVE SECRETARY REPORTS FOR DUTY IN JULY 5/31/1955 1 47270 FOLDER 273 A68056 41784039082309 CORRECTION TO FILE REFERENCE NUMBERS OF USCIB DOCUMENTATION 3/16/1955 1 47270 FOLDER 273 A68058 41784049082310 REVISION OF USCIB FILE DESIGNATIONS 8/17/1953 9 47270 FOLDER 273 A68059 41784079082313 CHANGE IN NAVY MEMBERSHIP ON USCIBEC 7/16/1953 1 47270 FOLDER 273 A68062 41784099082315 USCIB MASTER REQUIREMENTS LIST 7/15/1953 2 47270 FOLDER 273 A68063 41784109082316 AGENDA FOR THE FIFTH MEETING OF THE USCIBEC JULY 17, 1953- TO BE HELD IN THE NATIONAL DEFENSE BUILDING 7/13/1953 1 47270 FOLDER 273 A68064 41784129082318 USCIB MASTER REQUIREMENTS LIST APPROVED 7/9/1953 1 47270 FOLDER 273 A68065 41784149082320 AGENDA OF THE 88TH MEETING OF THE USCIB JULY 10, 1953 - TO BE HELD AT CIA 7/7/1953 1 47270 FOLDER 273 A68066 41784159082321 ASSIGNMENT OF THE EXECUTIVE SECRETARY, USCIB, TO THE OFFICE OF THE EXECUTIVE SECRETARY, NATIONAL SECURITY COUNCIL 7/6/1953 1 47270 FOLDER 273 A68067 41784179082323 USCIB MEMBERSHIP 7/3/1953 1 47270 FOLDER 273 A68068 41784199082325 AGENDA FOR THE 3RD MEETING OF THE USCIBEC JUNE 19, 1953 - TO BE HELD AT CIA 6/16/1953 1 47270 FOLDER 273 A68069 41784219082327 CHANGE IN LOCATION OF THE USCIB EXECUTIVE SECRETARIAT 6/15/1953 1 47270 FOLDER 273 A68071 41784229082328 POSTPONEMENT OF 87TH MEETING OF THE USCIB 6/5/1953 1 47270 FOLDER 273 A68073 41784249082330 PROCEDURES FOR ARRANGING VISITS TO FOREIGN COMINT INSTALLATIONS - DIRNSA AUTHORIZED TO PREPARE PROCEDURE 1/14/1953 4 47270 FOLDER 273 A68074 41784269082332 POSTPONEMENT OF 82ND MEETING 1/2/1953 1 47270 FOLDER 273 A68075 41784289082334 CHANGE IN USCIB MEMBERSHIP - NAVY MEMBER 12/9/1952 2 47270 FOLDER 028 A68076 41787589082659 WILLIAM F FRIEDMAN LETTER: TO MR ROBERT W STRAUS, THANKS FOR SENDING THE LITERATURE 8/21/1952 1 47270 FOLDER 273 A68077 41784319082336 TENTATIVE MINUTES FOR THE 80TH MEETING OF THE USCIB - ADVISE REGARDING ANY CHANGES 12/4/1952 6 47270 FOLDER 273 A68078 41784349082340 POSTPONEMENT OF THE 80TH MEETING OF THE USCIB 11/18/1952 1 47270 FOLDER 028 A68079 41787599082660 J N WENGER LETTER: TO DR H P ROBERTSON 7/21/1952 1 47270 FOLDER 273 A68080 41784529082358 RESTRICTION ON OFFICIAL VISITS TO LONDON PRECEDING AND FOLLOWING THE CORONATION OF QUEEN ELIZABETH II 10/30/1952 1 47270 FOLDER 028 A68108 41787619082662 WILLIAM F FRIEDMAN MEMORANDUM TO ADMIRAL WENGER, RELEASE OF THE CCM TO TURKEY FOR DIPLOMATIC COMMUNICATIONS 7/11/1952 2 47270 FOLDER 273 A68113 41784539082359 CORONATION OF QUEEN ELIZABETH II, 2 JUNE 1953 - DISRUPTION OF BUSINESS 10/15/1952 1 47270 FOLDER 028 A68114 41787649082665 WILLIAM F FRIEDMAN MEMO TO THE MEMBERS OF USCIB, DRAFT COPY, 1/1/1952 4 47270 FOLDER 028 A68116 41787659082666 ALFRED R MARCY MEMO TO CHIEF OF NAVAL OPERATIONS, THE PENTAGON, RELEASE TO TURKEY OF CRYPTOGRAPHIC DEVICE 6/16/1952 1 47270 FOLDER 028 A68118 41787679082668 MEMORANDUM FOR THE RECORD, RELEASE TO TURKEY OF CRYPTOGRAPHIC DEVICE 1/1/1952 1 47270 FOLDER 273 A68119 41784559082360 CORONATION OF QUEEN ELIZABETH II - HOTEL ACCOMMODATION SCARCE 8/12/1952 1 47270 FOLDER 028 A68124 41787689082669 MONROE B DUFFILL LETTER: TO DIRECTOR ARMED FORCES SECURITY AGENCY, RELEASE TO TURKEY OF CRYPTOGRAPHIC DEVICE 5/29/1952 1 47270 FOLDER 028 A68125 41787709082671 JOHN C ELLIOTT MEMORANDUM TO MEMBERS OF THE STATE-DEFENSE MILITARY INFORMATION CONTROL COMMITTEE, RELEASE TO TURKEY OF CRYPTOGRAPHIC DEVICE 4/30/1952 1 47270 FOLDER 028 A68128 41787719082672 WILLIAM F FRIEDMAN LETTER: TO DR H P ROBERTSON, THANKS FOR REVIEWING THE ENGSTROM PAPER AND FOR RETURNING BADGE NUMBER 10406 7/11/1952 1 47270 FOLDER 272 A68130 41784579082362 MEASURES FOR INCREASED SECURITY OF COMINT 9/19/1952 2

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47270 FOLDER 028 A68132 41787739082674 WILLIAM F FRIEDMAN LETTER: TO DR MARSHALL H STONE, OVER A YEAR AGO DR STONE WAS CONSIDERED A POTENTIAL MEMBER OF SCAG, DUE TO HIS UNIVERSITY OBLIGATIONS HE7/11/1952 COULD NOT PARTICIPATE1 47270 FOLDER 272 A68135 41784589082364 MEASURES FOR INCREASED SECURITY OF COMINT 7/29/1952 4 47270 FOLDER 272 A68144 41784609082365 CLARIFICATION OF REPORT ON JOINT USCIBTEAM MEETING OF 17-20 SEPTEMBER 1951 10/1/1951 2 47270 FOLDER 272 A68150 41784619082366 LISTING OF TITLES OF USCIB DOCUMENTS 1/4/1954 1 47270 FOLDER 271 A68161 41784649082368 VIOLATION OF USCIB POLICY RE CLASSIFICATION OF SUBJECT MATTER RELATED TO COMINT (USCIB 13.5/54) 4/29/1954 2 47270 FOLDER 271 A68165 41784659082369 REVELATION OF CRYPTANALYTIC COOPERATION BETWEEN THE U.S. AND U.K. PRIOR TO THE PEARL HARBOR ATTACK 6/8/1954 1 47270 FOLDER 271 A68169 41784669082370 VIOLATION OF USCIB POLICY WITH REGARD TO CLASSIFICATION OF SUBJECT MATTER RELATED TO COMINT 4/20/1954 3 47270 FOLDER 271 A68172 41784689082371 REVELATION OF CRYPTANALYTIC COOPERATION BETWEEN THE U.S. AND U.K. PRIOR TO THE PEARL HARBOR ATTACK - MADE A MATTER OF PUBLIC RECORD 5/29/1954 1 47270 FOLDER 028 A68178 41787759082676 WILLIAM F FRIEDMAN LETTER: TO DR CHARLES TOMPKINS, LETTER MENTIONS PEOPLE ARE BEING CLEARED TO WORK AT THE SUMMER SEMINAR (SCAMP) BEING HELD IN LOS ANGELOS7/11/1952 AND SPECIAL PROBLEMS1 OF AFSA FOR DR TOMPKINS 47270 FOLDER 028 A68184 41787769082677 WILLIAM F FRIEDMAN LETTER: TO DR RALPH K POTTER, ACKNOWLEDGES RECEIPT OF LETTER, WILL CONSIDER IDEAS 7/9/1952 1 47270 FOLDER 028 A68187 41787779082678 FRIEDMAN LETTER: TO MR HARMON DUNCOMBE, LOOKING FOR COMPLETE SET OF GOVERNMENT PRINTING OFFICE DOCUMENTS ON THE PEARL HARBOR REPORT 7/2/1952 1 47270 FOLDER 271 A68188 41784709082373 REVELATION OF US-UK CRYPTANALYTIC COOPERATION PRIOR TO PEARL HARBOR ATTACK - BRITISH REQUEST FOR VIEWS AND COMMENTS 5/24/1954 3 47270 FOLDER 028 A68189 41787789082679 FRIEDMAN LETTER: TO KAY, THANK YOU FOR NOTE AND DATA REGARDING MARY STUART LOOKING FOR BOOKS ON AMERICAN REVOLUTION 7/2/1952 1 47270 FOLDER 271 A68191 41784719082374 VIOLATION OF USCIB POLICY WITH REGARD TO CLASSIFICATION OF SUBJECT MATTER RELATED TO COMINT 4/7/1954 3 47270 FOLDER 028 A68194 41787809082681 WILLIAM F FRIEDMAN LETTER: TO MR EDWIN A SPEAKMAN, DR ENGSTROM SUGGESTED A REPORT BE CIRCULATED TO CERTAIN SCAG MEMBERS FOR CRITICISM AND COMMENTS 7/1/1952 1 47270 FOLDER 271 A68196 41784729082376 SECURITY CLASSIFICATION OF "THE SIGNAL CORPS: THE EMERGENCY" 6/29/1954 34 47270 FOLDER 028 A68198 41787819082682 WILLIAM F FRIEDMAN LETTER: TO DR MARSHALL H STONE, DR STONE UNABLE TO BE A MEMBER OF SCAG 6/30/1952 1 47270 FOLDER 028 A68200 41787839082684 WILLIAM F FRIEDMAN MEMO TO CHIEF SECURITY CONTROL DIVISION, PER AFSA MEMO NO. 120-18/1, CERTIFICATION OF PUBLIC LAW 513 6/26/1952 1 47270 FOLDER 270 A68202 41784749082377 STUDIES IN GERMAN DIPLOMATIC CODES EMPLOYED DURING THE (FIRST) WORLD WAR 1/1/1937 108 47270 FOLDER 269 A68203 41784769082379 GENERAL SOLUTION FOR THE ADFGVX CIPHER SYSTEM 1/1/1934 23 47270 FOLDER 028 A68204 41787849082685 WILLIAM F FRIEDMAN LETTER: TO DR H P ROBERTSON, DR ENGSTROM SUGGESTS REPORT BE CIRCULATED TO CERTAIN SCAG MEMBERS FOR CRITICISM AND COMMENTS 6/26/1952 1 47270 FOLDER 268 A68206 41784789082381 GERMAN MILITARY CIPHERS FROM FEBRUARY TO NOVEMBER 1918 1/25/1961 63 47270 FOLDER 028 A68208 41787879082688 WILLIAM F FRIEDMAN LETTER: TO DR RALPH K POTTER, DR ENGSTROM SUGGESTS REPORT BE CIRCULATED TO CERTAIN SCAG MEMBERS FOR CRITICISM AND COMMENTS, DR ENGSTROM6/26/1952 THINKS THAT DR POTTERS1 COMMENTS WOULD BE EXTREMELY VALUABLE 47270 FOLDER 028 A68209 41787919082692 WILLIAM F FRIEDMAN LETTER: TO DR REVILO P OLIVER, REPLY TO MR OLIVER'S LTR OF 11 JUNE 52 TO MR FRIEDMAN GIVING DETAILS ON TWO MANUSCRIPTS MR FRIEDMAN IS INTERESTED6/23/1952 IN OBTAINING FOR1 THE AFSA LIBRARY 47270 FOLDER 028 A68210 41787969082697 WILLIAM F FRIEDMAN LETTER: TO DR H P ROBERTSON, REPLY TO MR ROBERTSON'S LTR OF 17 JUNE 52 WITH 4 INCLS OOT REQUESTED BE RETURNED 6/24/1952 1 47270 FOLDER 267 A68211 41784809082383 AMERICAN ARMY FIELD CODES IN THE AMERICAN EXPEDITIONARY FORCES DURING THE FIRST WORLD WAR 6/1/1942 264 47270 FOLDER 028 A68213 41787989082699 DR H P ROBERTSON LETTER: TO DIRECTOR AFSA MAIL FILE ROOM, RECEIPT FOR ITEMS UNDER AFSA CONTROL NUMBERS 9/17/1951 1 47270 FOLDER 028 A68222 41788009082701 WILLIAM F FRIEDMAN MEMO TO CHIEF TRAINING DIV, PUBLICATION OF MATERIAL CONTAINED IN UNCLASSIFIED AFSA TECHNICAL DOCUMENT 6/16/1952 1 47270 FOLDER 028 A68224 41788029082703 WILLIAM F FRIEDMAN LETTER: TO COLONEL WILLIAM W BESSELL JR, REPLY TO A LETTER OF APPRECIATION FOR MR FRIEDMAN'S LECTURES AT WEST POINT 28 AND 29 MAY 6/16/1952 1 47270 FOLDER 065 A68286 41706099074541 EXTRACT FROM THE FORRESTAL DIARIES, "FORETASTE OF THE COLD WAR" 1/1/1955 1 47270 FOLDER 065 A68290 41706109074542 EXTRACTS FROM "COMMENDATIONS RECEIVED BY U. S. NAVAL COMMUNICATION INTELLIGENCE ORGANIZATION SINCE 1 JANUARY 1942; PEARL HARBOR INVESTIGATING COMMITTEE;1/8/1948 STATEMENTS FROM HONORABLE11 HANCOCK AND GURNEY; CONTRIBUTION OF COMMUNICATION INTELLIGENCE TO THE SUCCESS OF SUBMARINE OPERATIONS AGAINST THE JAPANESE IN WORLD WAR II 47270 FOLDER 028 A68292 41788069082707 MEMORANDUM TO CAPT J S HARPER USN, CRYPTOGRAPHIC DEVICE 6/27/1952 1 47270 FOLDER 065 A68294 41706119074543 PLANS FOR PREPARATION OF CRYPTANALYTIC TEXTBOOKS 2/14/1955 4 47270 FOLDER 028 A68297 41788079082708 WILLIAM F FRIEDMAN LETTER: TO MR JOHN H HOWARD, THANKS FOR PAPER ON ADVISORY BOARDS 6/16/1952 1 47270 FOLDER 065 A68299 41706139074545 BUDGET DEFENSE OF 302 PEOPLE FOR SECURITY DIVISION 1/24/1947 1 47270 FOLDER 065 A68300 41706149074546 EXTRACT FROM BROWNELL COMMITTEE REPORT; CITATION FOR 1ST RADIO SQUADRON, MOBILE FOR AWARD OF MERITORIOUS UNIT COMMENDATION IN DEPARTMENT OF AIR FORCE10/11/1951 GENERAL ORDER 64 OF2 11 OCTOBER 1951 47270 FOLDER 028 A68302 41788289082729 RALPH J CANINE LETTER: TO DR H P ROBERTSON, ROBERTSON WOULD LIKE THE SCAG CALLED TOGETHER ONCE MORE FOR THE PURPOSE OF FURTHER DISCUSSING AND CLARIFYING THE6/10/1952 SCAG REPORT WITH WHICH1 CANINE DOES NOT AGREE 47270 FOLDER 028 A68303 41788319082732 WILLIAM F FRIEDMAN LETTER: TO MR POLLARD, THANKS FOR SENDING THE POLLARDS OWN COPY OF "NO BED FOR BACON" 1/1/1952 1 47270 FOLDER 028 A68306 41788409082741 WILLIAM F FRIEDMAN LETTER: TO DR CHARLES B TOMPKINS, THANKS FOR TWO PAGE ROUGH DRAFT OF A MISSION FOR SCAG, GLAD HE AGREED ON ARRANGEMENTS FOR THE SYMPOSIUM6/5/1952 1 47270 FOLDER 028 A68308 41788459082746 WILLIAM F FRIEDMAN MEMO TO CHIEF SECURITY CONTROL DIVISION, REPLY TO COMMENT 1, THE PERSONNEL IN THE OFFICE OF THE CONSULTANT DO NOT HAVE "Q" CLEARANCES 6/5/1952 1 47270 FOLDER 065 A68310 41706179074549 INFORMATION CONCERNING PROFESSOR'S REPORT 10/1/1954 4 47270 FOLDER 065 A68311 41706199074551 HISTORY OF SPECIAL SECURITY OPERATIONS OVERSEAS 10/5/1951 1 47270 FOLDER 028 A68312 41788509082751 WILLIAM F FRIEDMAN LETTER: TO MR H P EDMUNDSON, THANKS FOR SENDING QUARTERLY REPORT ON PROJECTS AND PUBLICATIONS OF NBS, ALSO GLAD TO LEARN ABOUT THE CONFERENCE6/5/1952 ON MECHANICAL1 TRANSLATION TO BE HELD AT MIT 47270 FOLDER 065 A68314 41706209074553 HISTORY OF SPECIAL BRANCH, MIS 9/5/1951 1 47270 FOLDER 065 A68320 41706229074554 STAFF STUDY TO BE SUBMITTED TO USCIB TITLED "CONDUCT OF COMINT OPERATIONS" 9/24/1954 11 47270 FOLDER 367 A68321 41729509076876 PERSONAL NOTE TO FRIEDMAN FROM ZELLER REGARDING FUTURE VISIT, 18 JANUARY 1955 1/18/1955 1 47270 FOLDER 367 A68325 41729609076886 PERSONAL LETTER OF APPRECIATION FROM HUGH ALEXANDER, 14 JANUARY 1954 1/14/1954 1 47270 FOLDER 367 A68326 41729569076882 LETTER FROM FRIEDMAN TO PROFESSOR WRIGHT CONCERNING TRANSLATION OF A CRYPTOGRAPHIC DOCUMENT, 27 JANUARY 1943 1/27/1943 1 47270 FOLDER 028 A68329 41788569082757 WILLIAM F FRIEDMAN MEMORANDUM TO REAR ADMIRAL WENGER, SEPARATE CODE WORD FOR CLASSIFIED DOCUMENTS CONTAINING DETAILS OF CRYPTANALYTIC METHODS AND5/26/1952 TECHNIQUES 1 47270 FOLDER 367 A68330 41729669076891 PERSONAL LETTER FROM PROFESSOR WRIGHT TO FRIEDMAN QUERYING IF TRANSLATION OF A CRYPTOGRAPHIC DOCUMENT HAS BEEN DONE, 22 JANUARY 1943 1/22/1943 3

UNCLASSIFIED 130 UNCLASSIFIED

47270 FOLDER 065 A68331 41706249074556 RECOMMENDATIONS TO THE "MASTER LIST OF INTELLIGENCE OBJECTIVES AND REQUIREMENTS" TO USCIB 12/22/1953 12 47270 FOLDER 065 A68332 41706269074558 COMINT TASKS 3/8/1954 2 47270 FOLDER 028 A68333 41788619082762 WILLIAM F FRIEDMAN MEMORANDUM TO REAR ADMIRAL WENGER, SYSTEM FOR DISSEMINATION OF COMINT TO AND WITHIN SACEUR'S COMMAND (USCIB: 32/2) 5/26/1952 1 47270 FOLDER 367 A68334 41729699076895 LETTER FROM FRIEDMAN TO PROFESSOR WIMSATT, YALE UNIVERSITY, 17 JUNE 1943 6/17/1943 1 47270 FOLDER 065 A68335 41706279074559 A NEW TELETYPE CLUTCH DEVICE FROM ASA REVIEW 7/1/1950 1 47270 FOLDER 367 A68336 41729779076902 LETTER FROM PROFESSOR WIMSATT, YALE UNIVERSITY TO COLONEL FRIEDMAN, 24 APRIL 1943 4/24/1943 1 47270 FOLDER 065 A68337 41706299074561 VE-DAY EQUIPMENT ASSUMPTIONS 5/1/1945 3 47270 FOLDER 367 A68338 41729529076878 LETTER TO PROFESSOR WIMSATT INDICATING MR FRIEDMAN IS UNAVAILABLE TO ANSWER IMMEDIATELY, 27 APRIL 1943 4/27/1943 1 47270 FOLDER 065 A68339 41706319074563 VE-DAY EQUIPMENT ASSUMPTIONS 4/15/1945 4 47270 FOLDER 367 A68341 41729799076904 FRIEDMAN LETTER TO PROFESSOR WIMSATT YALE UNIVERSITY, 1 JANUARY 1943 1/1/1943 1 47270 FOLDER 065 A68342 41706419074573 WHAT CONTRACT WILL BE CUT BACK AS OF VE-DAY? 4/7/1945 1 47270 FOLDER 367 A68344 41729819076906 WITHHOLDING OF SOCIAL SECURITY TAX FROM EMPLOYEE SAMUEL WILLIAMS, 26 JUNE 1952 6/26/1952 3 47270 FOLDER 065 A68345 41706429074574 EXCERPT FROM E. C. BERKELEY'S "GIANT BRAINS" 1/21/1952 3 47270 FOLDER 065 A68347 41706649074597 EXCERPT FROM TIME MAGAZINE, "MAGIC IS THE WORD FOR IT" 12/17/1945 2 47270 FOLDER 065 A68348 41706759074607 DR. EDWARD L. BOWLES' STATEMENT OF MILITARY COMMUNICATIONS OBJECTIVES 5/7/1947 1 47270 FOLDER 028 A68349 41788709082771 WILLIAM F FRIEDMAN LETTER: THANKS FOR THE CERTIFICATE 5/23/1952 1 47270 FOLDER 065 A68352 41706799074611 MILITARY COMMUNICATIONS OBJECTIVES 3/30/1947 15 47270 FOLDER 367 A68353 41729749076900 LETTER TO BELL LABORATORIES ACKNOWLEDGING ASSIGNMENT OF PVT WIGINGTON TO NSA, 19 JANUARY 1955 1/19/1955 1 47270 FOLDER 028 A68354 41788739082774 WILLIAM F FRIEDMAN MEMO TO CHIEF OF STAFF, CONTENTS IN THE ACCOMPANYING LETTER (NOT INCLUDED) 5/21/1952 1 47270 FOLDER 367 A68355 41729839076908 ASSIGNMENT OF PVT R.L. WIGINGTON, 11 JANUARY 1955 1/11/1955 1 47270 FOLDER 065 A68357 41706939074625 MILITARY COMMUNICATIONS OBJECTIVES 4/14/1947 1 47270 FOLDER 367 A68359 41729869076911 REQUEST FOR TRANSFER OF ENLISTED MAN (WIGINGTON) , 3 SEPTEMBER 1954 9/3/1954 1 47270 FOLDER 028 A68361 41788799082780 WILLIAM F FRIEDMAN LETTER: TALKS ABOUT HIS TRIP TO WEST POINT 1/1/1952 1 47270 FOLDER 367 A68362 41729889076913 FRIEDMAN LETTER TO DR LEAMER, BELL LABORATORIES REGARDING MR. RONALD WIGINGTON, 3 SEPTEMBER 1954 9/3/1954 1 47270 FOLDER 367 A68364 41729919076916 LETTER FROM BELL LABORATORIES TO MR. FRIEDMAN REGARDING MR. RONALD WIGINGTON, 25 AUGUST 1954 8/25/1954 1 47270 FOLDER 065 A68365 41706969074628 LIST OF QUESTIONS WHICH MIGHT BE EXPECTED FROM CONGRESSMEN AND THE ANSWERS; PROPOSED QUESTIONS FROM CONGRESSMEN ABOUT UNIFICATION OF THE THREE SERVICES2/10/1947 IN SUPPORT OF SIGNAL5 COMMUNICATIONS 47270 FOLDER 367 A68368 41729959076920 FRIEDMAN LETTER TO BELL LAB REGARDING MR. WIGINGTON ASSIGNMENT TO NSA AFTER BASIC TRAINING, 20 AUGUST 1954 8/20/1954 1 47270 FOLDER 065 A68369 41707019074633 REFERENCE IS MADE TO MEMORANDUM FOR GENERAL EISENHOWER, SUBJECT: MILITARY COMMUNICATIONS OBJECTIVE, DATED 27 MARCH 1947 4/17/1947 7 47270 FOLDER 065 A68370 41707039074635 MILITARY COMMUNICATIONS OBJECTIVES 4/28/1947 2 47270 FOLDER 367 A68371 41729949076919 LETTER FROM BELL LABS TO FRIEDMAN RECOMMENDING A FORMER BELL EMPLOYEE WHO HAS BEEN DRAFTED BE ASSIGNED TO NSA, 9 JULY 1954 7/9/1954 5 47270 FOLDER 028 A68374 41788829082783 RALPH J CANINE LETTER: FOUND THE SPECIAL COMMUNICATIONS ADVISORY GROUP (SCAG) VERY USEFUL 5/17/1952 2 47270 FOLDER 065 A68375 41707059074637 1947 NATIONAL CONVENTION OF THE IRE; REPORT OF THE 1947 NATIONAL CONVENTION OF THE IRE 4/29/1947 8 47270 FOLDER 028 A68377 41788889082789 MG CANINE LETTER TO MEMBER OF SCAG 5/17/1952 2 47270 FOLDER 028 A68380 41788949082795 RALPH J CANINE LETTER: THANKS FOR TAKING PART IN THE SCAG 5/17/1952 1 47270 FOLDER 275 A68383 41784799082382 AGENDA FOR THE 110TH MEETING OF THE USCIB DECEMBER 10, 1954 - TO BE HELD AT CIA 12/2/1954 2 47270 FOLDER 275 A68384 41783339082239 APPROVAL OF THE MINUTES OF THE 107TH (SPECIAL) MEETING OF THE USCIB - WHEN APPROVED, CHANGE TO FINAL 11/26/1954 2 47270 FOLDER 065 A68385 41707079074639 LETTER FROM J. H. BUNNEL & COMPANY TO COLONEL HAYES ABOUT A TELEGRAPH SIGNAL ANALYZER 8/23/1948 1 47270 FOLDER 065 A68386 41707109074642 LETTER FROM THE GOVERNMENT TO J. H. BUNNELL AND COMPANY ABOUT A TELEGRAPH SIGNAL ANALYZER 9/9/1948 1 47270 FOLDER 065 A68389 41707209074652 REPORT OF WIRE EQUIPMENT COMMITTEE 10/11/1945 25 47270 FOLDER 065 A68392 41707239074655 A REPORT OF THE PROPOSED RE-ORGANIZATION OF THE SIGNAL SECURITY AGENCY STAFF 1/1/1946 15 47270 FOLDER 028 A68416 41789009082801 WILLIAM F FRIEDMAN MEMORANDUM TO CHIEF TRAINING DIVISION 5/13/1952 4 47270 FOLDER 028 A68418 41789039082804 WILLIAM F FRIEDMAN LETTER: ON THE POSSIBILITY OF OUR OFFERING FINANCIAL SUPPORT TO A PROJECT BEING CONDUCTED AT WAYNE UNIVERSITY 5/13/1952 1 47270 FOLDER 028 A68421 41789079082809 WILLIAM F FRIEDMAN LETTER: TO CHIEF OFFICE OF OPERATIONS, IBM MACHINES 5/13/1952 1 47270 FOLDER 028 A68423 41789689082868 MEMORANDUM TO CHIEF OF STAFF, TENTATIVE LEAVE SCHEDULES 5/12/1952 1 47270 FOLDER 028 A68425 41789769082876 WILLIAM F FRIEDMAN MEMORANDUM REQUEST FOR HISTORIES 5/9/1952 1 47270 FOLDER 028 A68429 41789789082878 MEMO TO SENIOR LIAISON OFFICER 11/14/1950 1 47270 FOLDER 028 A68430 41789819082881 GEN CANINE LETTER: REPLY TO LETTER SUGGESTING COMMENCEMENT OF IMMEDIATE NEGOTIATIONS OF A CONTRACT 5/6/1952 1 47270 FOLDER 028 A68432 41789829082882 WILLIAM F FRIEDMAN LETTER: REFERS TO A GOVERNMENT FUNDING POSSIBILITY 5/5/1952 1 47270 FOLDER 028 A68445 41789859082885 CONTRIBUTION OF SIGNAL INTELLIGENCE TO WWII EFFORTS 4/29/1952 3 47270 FOLDER 028 A68452 41789899082889 WILLIAM F FRIEDMAN LETTER: A TALK ABOUT THE BACON-SHAKESPEARE ISSUE 4/28/1952 1

UNCLASSIFIED 131 UNCLASSIFIED

47270 FOLDER 028 A68465 41789919082891 WILLIAM F FRIEDMAN LETTER: REGARDING LECTURE AND VISIT TO WEST POINT 4/28/1952 2 47270 FOLDER 028 A68471 41789949082894 WILLIAM F FRIEDMAN: DIFFICULTY WITH APPLICATIONS FOR PATENTS, RECOMMENDS EARLY AFSA INVOLVEMENT 4/25/1952 1 47270 FOLDER 028 A68474 41789959082895 WILLIAM F FRIEDMAN NOTE ON DRAFTED REGULATION 4/25/1952 1 47270 FOLDER 028 A68475 41789989082898 WILLIAM F FRIEDMAN LETTER: CONCERNING AN INVENTION/DEVICE 4/28/1952 2 47270 FOLDER 028 A68478 41790019082901 WILLIAM F FRIEDMAN LETTER: ACKNOWLEDGING RECEIPT OF PUBLICATIONS 4/23/1952 1 47270 FOLDER 028 A68480 41790039082903 WILLIAM F FRIEDMAN LETTER: HE IS AVAILABLE FOR CONSULTANT WORK WITH THIS AGENCY 4/22/1952 1 47270 FOLDER 028 A68492 41789509082850 WILLIAM F FRIEDMAN LETTER: REGARDING SECRET INKS 4/23/1952 1 47270 FOLDER 028 A68497 41790069082906 J N WENGER MEMO TO FBI REGARDING AUTHORSHIP OF JAPANESE CODE MANUSCRIPT 4/15/1952 1 47270 FOLDER 028 A68506 41790209082920 RALPH J CANINE LETTER: TO DR M J KELLY, PRESIDENT BELL TELEPHONE 4/14/1952 1 47270 FOLDER 028 A68510 41790249082924 WILLIAM F FRIEDMAN LETTER: TO MR BOWERS, REPLY TO LETTER 4/12/1952 1 47270 FOLDER 028 A68514 41790279082927 MEMORANDUM TO DIRECTOR OF NAVAL INTELLIGENCE REQUEST FOR HISTORICAL RECORDS REVIEW 4/9/1952 1 47270 FOLDER 028 A68517 41790319082931 CANINE LETTER: TO MAJOR GENERAL F A IRVING, LECTURE FOR DEPARTMENT OF MATHEMATICS, USMA 4/8/1952 1 47270 FOLDER 028 A68538 41790349082934 WILLIAM F FRIEDMAN LETTER: TO MR JOHN HOWARD, APOLOGIZES FOR INCONVENIENCE OF NOT BE ALLOWED ACCESS TO NCS MORNING OF 3 APRIL 4/8/1952 1 47270 FOLDER 028 A68541 41790379082937 WILLIAM F FRIEDMAN LETTER: TO DR H P ROBERTSON, MATERIAL FORWARDED THROUGH CHANNELS FOR USE IN CONNECTION WITH THE WORK OF SCAG (SPECIAL COMMUNICATIONS4/4/1952 ADVISORY GROUP) 1 47270 FOLDER 028 A68544 41790399082939 WILLIAM F FRIEDMAN LETTER: TO DR CLAUDE E SHANNON, MATERIAL FORWARDED THROUGH OFFICIAL CHANNELS FOR USE IN CONNECTION WITH THE WORK OF SCAG (SPECIAL COMMUNICATIONS4/4/1952 ADVISORY1 GROUP) 47270 FOLDER 028 A68546 41790529082952 WILLIAM F FRIEDMAN LETTER: TO DR JOHN VON NEUMANN, MATERIAL FORWARDED THROUGH OFFICIAL CHANNELS FOR USE IN CONNECTION WITH THE WORK OF SCAG (SPECIAL COMMUNICATIONS4/3/1952 ADVISORY1 GROUP) 47270 FOLDER 028 A68548 41790549082954 RALPH J CANINE LETTER: TO MR JAMES M MCINERNEY, APPRECIATES MAKING THE JAPANESE DIPLOMATIC SECRETS MANUSCRIPT AVAILABLE FOR REPRODUCTION AND RESEARCH 4/3/1952 1 47270 FOLDER 028 A68603 41790569082956 WILLIAM F FRIEDMAN MEMORANDUM, THREE TICOM DOCUMENTS WRITTEN AS "HOME WORK" BY WILHELM F FLICKE 4/2/1952 1 47270 FOLDER 028 A68606 41790579082957 WILLIAM F FRIEDMAN LETTER: TO CAPTAIN R K W HARRISON USN, REPLY TO CAPT HARRISONS PERSONAL QUERY 4/2/1952 1 47270 FOLDER 028 A68612 41790589082958 WILLIAM F FRIEDMAN MEMORANDUM, PLAIN-TEXT PROCESSING OF AFSA MATERIAL AND HOW THEY ARE PROCESSED 4/2/1952 1 47270 FOLDER 028 A68613 41790609082960 WILLIAM F FRIEDMAN MEMO TO ADJUTANT GENERAL, RELIEF OF CAPT MARY C LANE AS CUSTODIAN OF CRYPTOGRAPHIC MATERIAL CONSULTANT 3/31/1952 1 47270 FOLDER 028 A68615 41790629082962 WILLIAM F FRIEDMAN MEMO TO ADJUTANT GENERAL, RELIEF OF CAPT MARY C LANE AS RESPONSIBLE PROPERTY OFFICER CONSULTANT 3/31/1952 1 47270 FOLDER 028 A68623 41790659082965 RALPH J CANINE LETTER: TO DR M J KELLY, CONCERNS THE SERVICES OF DR CLAUDE K SHANNON 3/22/1952 1 47270 FOLDER 028 A68627 41790679082967 WILLIAM F FRIEDMAN MEMORANDUM TO COLONEL HETHERINGTON, COMMENTS ON DRAFT REPORT ON PROCESSING OF PLAIN-TEXT 3/20/1952 2 47270 FOLDER 028 A68631 41790719082971 WILLIAM F FRIEDMAN MEMO TO COMMUNICATIONS SECURITY OFFICER, COLLATERAL READING MATERIAL, SENDING PARTS III AND IV OF THE ARMY SERIES ON MILITARY CRYPTANALYSIS3/20/1952 1 47270 FOLDER 028 A68647 41790739082973 WILLIAM F FRIEDMAN MEMORANDUM TO CHIEF, SECURITY CONTROL DIVISION, CERTIFICATION OF PUBLIC LAW 513 3/17/1952 1 47270 FOLDER 028 A68651 41790779082977 MARY C. LANE MEMO TO MILITARY PERSONNEL BRANCH, CAPT. MARY C. LANE, WAC LOCATOR CARD 3/17/1952 1 47270 FOLDER 028 A68655 41790819082981 MARY C. LANE MEMO TO CHIEF, LOGISTICS DIVISION, REQUEST FOR ORGANIZATION SIGN AND NAME PLATE 3/13/1952 1 47270 FOLDER 028 A68656 41790839082983 MARY C LANE MEMO TO SECURITY DIVISION, ATTN: LTJG HAAG, REQUEST FOR CONFERENCE BADGES 3/5/1952 1 47270 FOLDER 028 A68661 41790869082986 WILLIAM F FRIEDMAN MEMORANDUM TO MR GRANT MANSON, BRIEF HISTORY OF THE CONSIDO CONCEPT, AND VARIOUS ACTIONS WHICH FOLLOWED ITS OFFICIAL PRESENTATION FOR3/4/1952 CONSIDERATION 6 47270 FOLDER 028 A68671 41790929082992 RALPH J CANINE LETTER: TO MR JAMES M MCINERNEY, REFERENCE "JAPANESE DIPLOMATIC SECRETS ", ASKS IF A REPRODUCTION CAN BE MADE 2/21/1952 1 47270 FOLDER 028 A68674 41790959082995 ALFRED R MARCY MEMO TO CHIEF, NAVAL SECURITY GROUP, HISTORICAL RECORDS PERTAINING TO OP-20-G 2/20/1952 1 47270 FOLDER 028 A68675 41790979082997 WILLIAM F FRIEDMAN MEMORANDUM TO MR GRANT MANSON, BRIEF HISTORY OF US COMINT ACTIVITIES 2/20/1952 2 47270 FOLDER 028 A68677 41791099083009 WILLIAM F FRIEDMAN LETTER: TO COLONEL L C SHEETZ, USAF, ITINERARY WHILE ATTENDING COMMUNICATIONS SECURITY OFFICERS CONFERENCE AT BROOKS AIR FORCE BASE 2/15/1952 1 47270 FOLDER 028 A68678 41791119083011 WILLIAM F FRIEDMAN LETTER: TO LT. COLONEL BLAINE MENTH, OUTLINE OF TWO HOUR PRESENTATION TO BE GIVEN AT THE COMMUNICATIONS SECURITY OFFICERS CONFERENCES1/28/1952 2 47270 FOLDER 028 A68679 41791139083013 WILLIAM F FRIEDMAN LETTER: TO DR CLAUDE E SHANNON, LETTER SENT TO DR SHANNON A MEMBER OF THE SPECIAL CRYPTOLOGIC ADVISORY GROUP WHICH IS CONCERNED WITH1/28/1952 ADVISING MEMBERS OF AFSA1 ON SPECIAL DEVELOPMENTAL PROBLEMS 47270 FOLDER 028 A68680 41791159083015 WILLIAM F FRIEDMAN LETTER: TO PROFESSOR JOHN VON NEUMANN, LETTER SENT TO DR VON NEUMANN MEMBER OF THE SPECIAL CRYPTOLOGIC ADVISORY GROUP WHICH IS CONCERNED1/25/1952 WITH ADVISING MEMBERS1 OF AFSA ON SPECIAL DEVELOPMENTAL PROBLEMS 47270 FOLDER 027 A68686 41791179083017 PAUL GILLIAM TRANSMITTAL AND RECEIPT SHEET TO WILLIAM F FRIEDMAN - LISTS ELEVEN ITEMS 6/30/1959 1 47270 FOLDER 027 A68687 41791199083019 MRS CLYDE H CHRISTIAN, AG-24, TRANSMITTAL AND RECEIPT SHEET TO MR WILLIAM F FRIEDMAN - ATTACHED LIST GIVING CONTENTS 12/2/1960 6 47270 FOLDER 027 A68689 41791229083022 HAND WRITTEN NAMES OF MATHEMATICS PANEL AND COMMITTEE 1/1/1960 2 47270 FOLDER 027 A68690 41791249083024 JOHN BECK - RECEIPT FOR PACKAGES FROM MR WILLIAM F FRIEDMAN 12/29/1958 1 47270 FOLDER 027 A68691 41791269083026 LISTS CONTENTS OF PACKAGES FORWARDED ON 29 DEC 58 12/29/1958 1 47270 FOLDER 027 A68693 41791289083028 LISTS FILES SENT TO NSS FOR SAFEKEEPING UNTIL MR FRIEDMAN'S RETURN - FORWARDED AS PACKAGE #WFF-24 12/29/1958 1 47270 FOLDER 027 A68694 41791309083030 M J VESPER R/D-017 SCAMP TAPE TO WILLIAM F FRIEDMAN 1/7/1959 1 47270 FOLDER 027 A68695 41791329083032 WILLIAM F FRIEDMAN TRANSMITTAL AND RECEIPT SHEET TO AG 243 12/10/1958 1 47270 FOLDER 027 A68696 41791359083035 WILLIAM M DODD JR TRANSMITTAL AND RECEIPT SHEET TO WILLIAM F FRIEDMAN A56-46 (1 BOX OF SLIDES) #3 12/9/1958 1 47270 FOLDER 027 A68697 41791379083037 WILLIAM M DODD JR TRANSMITTAL AND RECEIPT TO WILLIAM F FRIEDMAN SLIDES (BOX 1, 2, &4) TS 12/9/1958 1 47270 FOLDER 026 A68726 41791399083039 MEMO DOCUMENTING MISPLACED MATERIALS FROM THE FRIEDMAN FILES 4/27/1960 3 47270 FOLDER 367 A68727 41729969076921 HANDWRITTEN NOTES QUERYING STATUS OF WIGINGTON TRANSFER TO NSA, 3 JANUARY 1955 1/3/1955 5 47270 FOLDER 026 A68728 41791419083041 LIST OF CONTENTS BOXES #1 AND #2 SHIPPED TO WILLIAM F FRIEDMAN 12/2/1960 9

UNCLASSIFIED 132 UNCLASSIFIED

47270 FOLDER 026 A68729 41791459083045 LIST OF MATERIAL SENT TO MRS CLYDE CHRISTIAN NSA RECORDS MANAGEMENT BRANCH, AG-24 5/5/1960 2 47270 FOLDER 026 A68730 41791479083047 HAND WRITTEN - ADDITIONAL MATERIAL CREATED AND OR MAINTAINED BY WILLIAM F FRIEDMAN, RECEIPT TO GILLIAN 1/1/1960 1 47270 FOLDER 367 A68732 41729989076923 LETTER TO EDITOR OF WASHINGTON POST RE USSR POTATO BUGS, 7 JULY 1950 7/7/1950 1 47270 FOLDER 026 A68733 41791499083049 FRIEDMAN ASKS COLONEL WILLARD - HE NEEDS NSA BOOKS/DOCUMENTS; HAS TALKED TO DR TORDELLA AND HE HAS AGREED TO SEND OUT TO HIS HOME ANYTHING UP THRU CONFIDENTIAL12/14/1960 1 47270 FOLDER 026 A68734 41791529083050 LIST OF WILLIAM F FRIEDMAN'S MATERIAL IN DR ASHENHURST'S OFFICE 5/5/1959 1 47270 FOLDER 026 A68735 41791539083052 TRANSMITTAL AND RECEIPT SLIP FM MARY J VESPER R/D-03 TO WILLIAM F FRIEDMAN, ENVELOP NO. 13 CONTAINING SCAMP LECTURES, NOTES AND CARDS, I THROUGH VI 5/4/1959 1 47270 FOLDER 367 A68736 41729929076917 PERSONAL LETTER OF APPRECIATION FOR MATERIALS PROVIDED BY MRS. G. WALKER, 19 MAY 1949 5/19/1949 1 47270 FOLDER 367 A68738 41729939076918 PERSONAL LETTER TO PROFESSOR VINCENT RE EXPECTED ARRIVAL IN LONDON, 14 NOVEMBER 1951 11/14/1951 1 47270 FOLDER 026 A68740 41791569083053 TRANSMITTAL AND RECEIPT SLIP FM MARY J VESPER R/D-03 TO WILLIAM F FRIEDMAN ENVELOP NO. 11, YARDLEY'S BLACK CHAMBER 5/4/1959 1 47270 FOLDER 026 A68743 41791589083056 TRANSMITTAL AND RECEIPT SLIP FM MARY J VESPER TO WILLIAM F FRIEDMAN ENVELOPE NO. 12 CONTAINING MARINE CORPS LECTURE SERIES NOTES, ETC 4 FOLDERS 5/4/1959 1 47270 FOLDER 026 A68746 41791619083059 TRANSMITTAL AND RECEIPT SLIP FROM MARY J VESPER R/D-03 TO WILLIAM F FRIEDMAN ENVELOPE NO. 3 CONTAINING NSA SCIENTIFIC ADVISORY BOARD CORRESPONDENCE AND CORRESPONDENCE5/4/1959 FROM GENERAL1 BLAKE 47270 FOLDER 367 A68751 41729999076924 PERSONAL LETTER TO COMMANDER TRAVIS CONGRATULATING HIM ON RECEIVING KNIGHTHOOD, 19 JUNE 1944 6/19/1944 1 47270 FOLDER 026 A68761 41791629083061 TRANSMITTAL AND RECEIPT FROM MARY J VESPER RD/-03 TO WILLIAM F FRIEDMAN ENVELOPE NO 6 CONTAINS BRIEFING, GUIDE LINES, LETTER, PHOTOS 5/4/1959 1 47270 FOLDER 367 A68762 41730129076937 PERSONAL FRIEDMAN LETTER TO BRIGADIER GENERAL TAYLOR, USAR RE BIOGRAPHICAL SKETCH OF HIS SON, 17 AUGUST 1953 8/17/1953 1 47270 FOLDER 026 A68763 41791659083064 TRANSMITTAL AND RECEIPT FROM MARY J VESPER TO WILLIAM F FRIEDMAN, ENVELOPE NO. 10 LECTURES, PERSONAL SERVICE CONTRACT, LETTER AND LIST OF PERMUTATIONS OF 6 5/4/1959 1 47270 FOLDER 026 A68767 41791669083065 TRANSMITTAL AND RECEIPT FROM MARY J VESPER R/D-03 TO WILLIAM F FRIEDMAN, ENVELOPE NO 2 REPORT LETTERS MACHINE IDENTIFICATION OF WORDS (5 REPORTS AND NEWSPAPER5/4/1959 CLIPPINGS) 1 47270 FOLDER 026 A68770 41791699083068 TRANSMITTAL AND RECEIPT FROM MARY J VESPER R/D-03 TO WILLIAM F FRIEDMAN ENVELOPE CONTAINING LECTURE CARDS, NOTES, SLIDES, TALKS 5/4/1959 1 47270 FOLDER 366 A68776 41730369076961 PERSONAL LETTER TO FISH MARKET RE DELIVERY OF FISH TO FRIEDMAN'S HOME, 29 JUNE 1944 6/29/1944 1 47270 FOLDER 026 A68779 41791719083070 TRANSMITTAL AND RECEIPT FROM MARY J VESPER R/D-03 TO WILLIAM F FRIEDMAN ENVELOPE NO. 14 TAPE LECTURE, ARTICLES, LECTURE 5/4/1959 1 47270 FOLDER 366 A68780 41729979076922 CORRESPONDENCE REGARDING MARSHALL STONE AVAILABILITY FOR CONSULTATION, 14 JULY 1952 7/14/1952 5 47270 FOLDER 366 A68782 41730009076925 TOUR OF USM-1, 2 JUNE 1953 6/2/1953 1 47270 FOLDER 026 A68785 41791729083071 PAUL S. WILLARD MEMORANDUM FOR THE RECORD, WITHDRAWAL OF CLASSIFIED MATERIAL BY MR. WM. FRIEDMAN, DR. TORDELLA ADVISED THAT FRIEDMAN CANNOT WITHDRAW3/16/1960 ANY CLASSIFIED MATERIAL1 FROM NSA FILES HIGHER THAN CONFIDENTIAL 47270 FOLDER 026 A68788 41791739083072 PAUL E GILLIAM LETTER: TO WILLIAM F FRIEDMAN, ATTACHED (NOT ATTACHED ) IS A RECEIPT FOR THE MATERIAL RECEIVED FROM YOU, AT YOUR HOME ON 26 JUNE 1959 6/30/1959 1 47270 FOLDER 026 A68791 41791749083073 HAND WRITTEN LIST OF TRANSLATIONS, NSA REPORTS, TRANSLATIONS, USFU JOURNALS, BULLETINS, REPORTS W/YEARS 1/1/1959 1 47270 FOLDER 026 A68793 41789799082879 HAND WRITTEN - LIST OF MATERIALS 1/1/1959 1 47270 FOLDER 026 A68794 41789979082897 HAND WRITTEN - SHOWS BOX 1 WITH APPARENT ITEMS INCLUDED 1/1/1959 1 47270 FOLDER 366 A68798 41730159076940 FRIEDMAN LETTER TO EDITOR OF THE STAR RE ARTICLE " GUS, THE OFFICE BOY", 11 JANUARY 1951 1/11/1951 1 47270 FOLDER 366 A68803 41730179076942 ESTABLISHMENT OF ASA ROTC UNIT AT ROLLINS COLLEGE, 1 AUGUST 1951 8/1/1951 1 47270 FOLDER 026 A68804 41790079082909 HAND WRITTEN PUBLICATION FILE - LISTS 38 PUBLICATIONS 11/1/1960 12 47270 FOLDER 366 A68805 41730759076999 PERSONAL LETTER TO MR. ERIC EARNSHAW SMITH, GC AND CS, RE RECENT VISIT TO WASHINGTON, 14 JANUARY 1944 1/14/1944 1 47270 FOLDER 026 A68806 41790149082913 HAND WRITTEN NOTES - LISTS TAPE RECORDINGS, PUBLICATIONS 1/1/1960 3 47270 FOLDER 468 A68814 41733299077253 LIST OF KEY POSITIONS (UNDERSTUDIES), ASA 3/15/1949 18 47270 FOLDER 366 A68831 41730219076946 REQUEST FOR DELETION FROM BRIEFING NOTIFICATIONS, 11 FEBRUARY 1954 2/11/1954 1 47270 FOLDER 366 A68836 41730199076944 PERSONAL LETTER FROM FRIEDMAN TO COLONEL SADTLER ACKNOWLEDGING SIGNED PHOTOGRAPH, 21 JUNE 1944 6/21/1944 1 47270 FOLDER 065 A68838 41707269074658 WORK LOAD OF THE MAINTENANCE BRANCH 5/15/1946 4 47270 FOLDER 065 A68839 41707289074660 WORK LOAD OF THE MAINTENANCE BRANCH 5/22/1946 1 47270 FOLDER 065 A68840 41707299074661 SPECIAL WORK LOAD IN THE MAINTENANCE BRANCH OF THE SECURITY DIVISION 5/29/1946 6 47270 FOLDER 366 A68842 41730769077000 COVER LETTER FOR PERSONAL HISTORY STATEMENT TO PROFESSOR ROSSER FROM R.A. LIEBLER, SEPTEMBER 1954 9/15/1954 2 47270 FOLDER 366 A68844 41730399076964 RECEIPT OF TEXT ON RUSSIAN, 18 JUNE 1946 6/18/1946 1 47270 FOLDER 366 A68851 41730239076948 ACQUISITION OF M-209 CONVERTERS FROM RILEY TECHNICAL SERVICE, 22 JUNE 1950 6/22/1950 1 47270 FOLDER 366 A68853 41730269076951 PERSONAL LETTER TO CAPT MARK RHOADS, RETIRED, 30 APRIL 1952 4/30/1952 4 47270 FOLDER 366 A68858 41730459076970 PERSONAL LETTER ACKNOWLEDGING RECEIPT OF GIFT BOOK, 1 JANUARY 1944 1/1/1944 1 47270 FOLDER 365 A68860 41730449076969 ACKNOWLEDGEMENT AND APPRECIATION FOR TWO REPRINTS OF PAPER "BOTANICAL OBSERVATIONS ON THE VOYNICH MANUSCRIPT", 26 JUNE 1944 6/26/1944 1 47270 FOLDER 365 A68861 41730489076973 PERSONAL NOTES REGARDING KAY NOXTINE ACCEPTANCE AS FRIEDMAN'S SECRETARY, 8 FEBRUARY 1954 2/8/1954 3 47270 FOLDER 365 A68865 41730499076974 PERSONAL LETTER TO FRIEDMAN FROM MILLER, 18 JANUARY 1952 1/18/1952 2 47270 FOLDER 365 A68870 41730419076966 ACKNOWLEDGEMENT OF LETTER AND ENCLOSURE (NFI) TO MISS EDNA MCENROE, 1 SEPTEMBER 1953 9/1/1953 1 47270 FOLDER 365 A68873 41730789077002 HANDWRITTEN NOTES REGARDING AN UNSPECIFIED INDIVIDUALS STATUS IN ASA RESERVES, 20 AUGUST 1947 8/20/1947 2 47270 FOLDER 365 A68874 41730599076984 COVER LETTER FORWARDING TWO OFF-PRINTS OF UNSPECIFIED PUBLICATION, 21 JUNE 1944 6/21/1944 1 47270 FOLDER 365 A68877 41730549076979 PERSONAL LETTER TO PROFESSOR GEORGE MCCRACKEN RE ISIS ARTICLE, 8 FEBRUARY 1949 2/8/1949 2 47270 FOLDER 365 A68882 41730579076982 LETTER TO MCKAY, WALLACE AND TIERNAN PRODUCTS REGARDING A MODEL OF A MACHINE 5/10/1944 1

UNCLASSIFIED 133 UNCLASSIFIED

47270 FOLDER 365 A68886 41730719076996 PERSONAL LETTER OF THANKS FOR HOSPITALITY TO MAJOR GENERAL LYNN, 12 MARCH 1952 3/12/1952 1 47270 FOLDER 365 A68898 41730799077003 LETTER FROM BRIGADIER GENERAL CORDERMAN TO MAJOR GENERAL LANAHAN RE FRIEDMAN VISIT TO EUROPE, 2 OCTOBER 1945 10/2/1945 1 47270 FOLDER 065 A68900 41707329074664 WAR DEPARTMENT PRIORITIES FOR RESEARCH AND DEVELOPMENT PROJECTS 3/21/1946 5 47270 FOLDER 365 A68903 41730809077004 PERSONAL LETTER OF GRATITUDE TO FRIEDMAN FROM ERIC JONES, 15 DECEMBER 1951 12/15/1951 1 47270 FOLDER 065 A68904 41707369074668 SUPPLEMENT TO FY 1948 RESEARCH AND DEVELOPMENT PROGRAMS (CONT'D) 5/7/1947 1 47270 FOLDER 065 A68906 41707389074669 WAR DEPARTMENT PRIORITIES FOR RESEARCH AND DEVELOPMENT PROJECTS 11/15/1946 2 47270 FOLDER 365 A68908 41730629076987 PERSONAL LETTER OF BEST WISHES UPON RETIREMENT OF MISS NETTIE JANSSEN, 15 NOVEMBER 1950 11/15/1950 1 47270 FOLDER 065 A68911 41707409074672 RESEARCH AND DEVELOPMENT PROJECT INDEX 5/27/1947 1 47270 FOLDER 365 A68912 41730819077005 PERSONAL LETTER OF THANKS TO MAJOR GENERAL INGLES FOR PHOTOS TAKEN DURING AWARD CEREMONY FOR MR. FRIEDMAN, 6 APRIL 1944 4/6/1944 1 47270 FOLDER 365 A68916 41730839077007 LETTER OF CONGRATULATIONS TO MR. EDWIN E. HUDDLESON, JR., 28 APRIL 1949 4/28/1949 2 47270 FOLDER 365 A68918 41730859077009 PERSONAL LETTERS FROM AARON HORVITZ TO FRIEDMAN RE HORVITZ NEPHEW'S PROSPECTIVE FEDERAL EMPLOYMENT, 18 APRIL 1951 4/18/1951 2 47270 FOLDER 064 A68919 41707429074674 ATTACHMENT C, DIRECTIVE: ARMED FORCES SECURITY AGENCY (ESTABLISHMENT OF THE ARMED FORCES SECURITY AGENCY); JCS 2010 7/1/1949 6 47270 FOLDER 365 A68929 41730689076993 PATENT APPLICATION 457256 BY DR. ING. RUDOLF HELL, 28 JANUARY 1954 1/28/1954 6 47270 FOLDER 064 A68938 41707459074677 SELECTION OF A SITE FOR THE PROPOSED CRYPTOLOGIC ESTABLISHMENT OUTSIDE THE WASHINGTON AREA; NOTE TO HOLDERS OF J.C.S. 2010/29 DTD 14 FEB 1951 2/19/1951 3 47270 FOLDER 064 A68953 41707489074680 DIVISION OF INTERCEPT TASK ASSIGNMENT BETWEEN AFSA AND THE SERVICES; JCS 2010 8/17/1950 1 47270 FOLDER 064 A68955 41707509074682 REPORT BY AFSAC TO THE JCS ON THE DIVISION OF RESPONSIBILITY FOR CRYPTOLOGIC OPERATIONS; JCS 2010 1/1/1950 1 47270 FOLDER 064 A68958 41707539074685 JUSTIFICATION OF BASIC PRINCIPLES OF AFSAC 25/68 (ENCLOSURE "C"); JCS 2010 6/12/1950 6 47270 FOLDER 064 A68960 41707569074688 REVISED TENTATIVE STATEMENT OF VIEWS OF THE ARMY, NAVY AND AIR FORCE MEMBERS OF AD HOC COMMITTEE APPOINTED BY AFSAC TO CONSIDER BASIC PRINCIPLES CONTAINED5/24/1950 IN AFSAC 25/68 7 47270 FOLDER 064 A68962 41707589074690 PROPOSED CHANGES TO JCS 2010 6/6/1950 1 47270 FOLDER 064 A68965 41707619074693 ESTABLISHMENT OF THE ARMED FORCES SECURITY AGENCY; JCS 2010 9/1/1949 3 47270 FOLDER 062 A68973 41707639074695 CORRESPONDENCES BETWEEN HONORABLE SONNETT AND UNDER SECRETARY OF WAR AND THE JUDGE ADVOCATE GENERAL ABOUT THE DEPARTMENT OF JUSTICE PATENT POLICY SURVEY11/2/1945 11 47270 FOLDER 063 A68974 41707669074698 COURT OF APPEALS, 4TH CIRCUIT KOBER V. UNITED STATES NO. 5786 DECIDED NOV. 8, 1948; PATENTS 11/8/1948 8 47270 FOLDER 063 A68975 41707689074699 INVENTION BY OFFICERS AND MEN IN THE NAVAL SERVICE AND EMPLOYEES CONNECTED WITH THE NAVAL ESTABLISHMENT; INVENTIONS AND PATENT RIGHTS BETWEEN THE NAVY 5/13/1935DEPARTMENT AND EMPLOYEES2 47270 FOLDER 063 A68976 41707709074702 FOREIGN PATENT RIGHTS CLAUSE FOR DEVELOPMENT CONTRACTS; SECTION IX--PATENTS AND COPYRIGHTS FROM THE ARMY SERVICES PROCUREMENT REGULATIONS 7/1/1949 19 47270 FOLDER 063 A68977 41707729074704 CORRESPONDENCE REGARDING BELL SYSTEM AND A FORM TITLED, AGREEMENT FOR ASSIGNMENT OF INVENTIONS BETWEEN BELL TELEPHONE LABORATORIES AND EMPLOYEES 6/2/1949 12 47270 FOLDER 365 A68978 41730879077011 QUERY TO COLONEL HEINRICH IF REQUESTED INFORMATION IS STILL DESIRED, 14 JANUARY 1954 1/14/1954 1 47270 FOLDER 365 A68979 41730899077013 MUSEUM EXHIBIT OF CRYPTOGRAPHIC EQUIPMENT, 17 SEPTEMBER 1953 9/17/1953 4 47270 FOLDER 365 A68980 41730929077016 FRIEDMAN LETTER TO MR. VERN HATCH, AT & T RE COPY OF THE "2-B REGRETTOR", 8 JUNE 1950 6/8/1950 1 47270 FOLDER 364 A68981 41730959077019 PERSONAL LETTER EXPRESSING ENJOYMENT OF FRIEDMAN LECTURE, 25 MARCH 1951 3/25/1951 3 47270 FOLDER 364 A68982 41730969077020 ACKNOWLEDGEMENT OF LETTER RE FORTHCOMING BOOK PUBLICATION, 15 FEBRUARY 1954 2/15/1954 1 47270 FOLDER 364 A68983 41730979077021 LETTER OF CONGRATULATIONS TO PROFESSOR GLEASON ON OCCASION OF AWARD, 6 JANUARY 1953 1/6/1953 1 47270 FOLDER 364 A68992 41731079077031 PERSONAL LETTER TO CAPT GUERTIN RE HARPER'S MAGAZINE ARTICLE, 1 JANUARY 1951 1/1/1951 2 47270 FOLDER 061 A69029 41707749074708 NATIONAL SECURITY ACT 1947 (AMENDED); PUBLIC LAW 253, EIGHTIETH CONGRESS, JULY 26, 1947 12/31/1958 100 47270 FOLDER 060 A69045 41707789074710 TRANSCRIPT OF THE DREW PEARSON BROADCAST (ABC) PREDICTION NO. 5, THE YALTA AGREEMENT 3/23/1947 2 47270 FOLDER 364 A69049 41731269077050 PERSONAL LETTER TO MANAGER OF ARMY-NAVY COUNTRY CLUB RE RECOVERED FUR CAPE, 14 JANUARY 1952 1/14/1952 1 47270 FOLDER 060 A69051 41707809074712 MESSAGES IN THE BRAJOB-VOLCO SYSTEM 7/15/1941 8 47270 FOLDER 364 A69053 41731359077059 REQUEST FOR CRYPTOGRAPHIC MATERIALS FROM RIVERBANK, 22 JANUARY 1948 1/22/1948 1 47270 FOLDER 364 A69058 41731599077083 PERSONAL LETTER TO DR. CRAMER, RCA LABORATORIES RE REGRETS MISSED CALL, 7 JANUARY 1952 1/7/1952 1 47270 FOLDER 364 A69060 41731239077047 DRAFT PERSONAL LETTER FROM FRIEDMAN TO COLONEL CORDERMAN, 1 JANUARY 1945 1/1/1945 4 47270 FOLDER 060 A69065 41709239074854 THE METHOD OF ENCIPHERMENT ACCORDING TO THE CROSSWORD PUZZLE SYSTEM USED BY THE NAZI INTELLIGENCE SERVICE 1/12/1941 8 47270 FOLDER 364 A69066 41731199077043 PERSONAL LETTER OF CONGRATULATIONS TO MR. CONNORTON UPON HIS JOINING LAW FIRM, 26 FEBRUARY 1952 2/26/1952 2 47270 FOLDER 060 A69068 41709259074856 MESSAGE FROM TOKYO TO SANTIAGO TO RENEW SHIPPING TRADE WITH SOUTH AMERICAN AS WELL AS JAPANESE FIRMS 12/24/1941 1 47270 FOLDER 364 A69069 41731169077040 OFFER TO SELL EXTRA COPIES OF PUBLICATIONS, 25 NOVEMBER 1949 11/25/1949 1 47270 FOLDER 060 A69073 41709269074858 A LIST OF CRYPTANALYSIS TECHNICAL PAPERS 1/1/1951 1 47270 FOLDER 060 A69079 41709339074864 MESSAGE FROM GCHQ TO SLO, WASHINGTON 2/13/1951 1 47270 FOLDER 060 A69088 41709349074866 MAGIC-DIPLOMATIC SUMMARY FROM THE WAR DEPARTMENT 11/24/1944 12 47270 FOLDER 364 A69090 41731189077041 REPLY TO QUERY REGARDING CHARACTER REFERENCE, 9 FEBRUARY 1950 2/9/1950 1 47270 FOLDER 030 A69092 41790309082930 S S CAIRNS LETTER: TO MR J DESCH, INVITATION TO JOIN GROUP CHAIRED BY MR MCPHERSON (ELECTRONIC PANEL, NSASAB, CHAIRMAN) TO STUDY CERTAIN TYPES OF GENERAL PURPOSE2/5/1954 FLEXIBLE ANALYTIC 1EQUIPMENT 47270 FOLDER 030 A69095 41790419082941 RALPH J CANINE LETTER: TO MR JOSEPH R DESCH, ACKNOWLEDGEMENT TO MR DESCH'S ACCEPTING NOMINATION FOR MEMBERSHIP IN THE ELECTRONICS PANEL OF NSASAB 2/5/1954 1 47270 FOLDER 030 A69102 41790489082949 WILLIAM F FRIEDMAN MEMO TO NSA-03 NSA-04, CIPHER MACHINES ARE REQUIRED BY 03/04 7/24/1954 1

UNCLASSIFIED 134 UNCLASSIFIED

47270 FOLDER 364 A69113 41731629077085 MEMORANDUM FOR LT. CDR. BOONE RE GERMAN BOOK ON CRYPTOGRAPHY, 16 FEBRUARY 1943 2/16/1943 1 47270 FOLDER 364 A69118 41731389077062 PERSONAL LETTER, RE RENEWING ACQUAINTANCE, 14 JANUARY 1952 1/14/1952 1 47270 FOLDER 364 A69123 41731689077092 HANDWRITTEN NOTE OF THANKS FOR A RUSSIAN ARTICLE ON DECIPHERMENT OF THE MAYA HIEROGLYPHIC WRITING, 12 MAY 1953 5/12/1953 3 47270 FOLDER 364 A69125 41731729077096 ACKNOWLEDGEMENT OF LETTER FROM LT. COL. BEARCE, 23 MAY 1950 5/23/1950 1 47270 FOLDER 364 A69127 41731809077103 PERSONAL LETTER OF THANKS FOR A DOOR-KNOCKER GIVEN BY MR. ADOLF BECHSHOFT, 30 NOVEMBER 1953 11/30/1953 1 47270 FOLDER 364 A69129 41731459077069 ACKNOWLEDGEMENT OF CHRISTMAS CARD SENT BY LT. COL. BEARCE, 8 MARCH 1945 3/8/1945 4 47270 FOLDER 364 A69131 41731209077044 ACKNOWLEDGEMENT OF SCHEMATIC (NFI) SENT TO B. DEF. BAYLY BY FRIEDMAN, 20 OCTOBER 1943 10/20/1943 1 47270 FOLDER 364 A69132 41731839077107 PERSONAL LETTER TO COMMANDER L.S. BATES THANKING HIM FOR NOTE OF CONGRATULATIONS ON RECEIVING AWARD FROM WAR DEPARTMENT, 23 MAY 1944 5/23/1944 1 47270 FOLDER 364 A69134 41731499077073 PERSONAL LETTER OF THANKS TO COLONEL H. BASSETT FOR TREATMENT DURING RECENT FRIEDMAN VISIT TO MAXWELL AIR FORCE BASE, 12 MARCH 1952 3/12/1952 1 47270 FOLDER 364 A69135 41731419077065 LETTER OF CONGRATULATIONS TO PVT BARKER ON SELECTION TO OCS, 10 FEBRUARY 1943 2/10/1943 1 47270 FOLDER 364 A69136 41731859077109 PERSONAL LETTER TO DR. EUGENE E. BARKER FROM FRIEDMAN, 8 JUNE 1950 6/8/1950 2 47270 FOLDER 364 A69137 41731889077112 LETTER OF APPRECIATION FOR INVITATION TO VISIT MR. HARVEY M. ARONSON, 26 JUNE 1944 6/26/1944 1 47270 FOLDER 364 A69140 41731759077099 LETTER FROM HIGH SCHOOL CLASSMATE HARVEY ARONSON 6/20/1944 1 47270 FOLDER 364 A69145 41731919077115 NEGATIVE RESPONSE TO REQUEST TO SET UP A TAPE PRODUCTION UNIT IN THE UK, 14 JANUARY 1954 1/14/1954 2 47270 FOLDER 364 A69147 41731569077080 FRIEDMAN ACKNOWLEDGEMENT OF LETTER FROM MR FRANZ ALT, 15 AUGUST 1950 8/15/1950 1 47270 FOLDER 364 A69149 41731649077088 ACKNOWLEDGEMENT OF AUTOGRAPHED PICTURE FROM MAJOR GENERAL ALLISON, 26 JULY 1944 7/26/1944 1 47270 FOLDER 364 A69151 41731949077118 ELECTRICAL MESSAGE PERSONAL FOR PULLING FROM FRIEDMAN CONGRATULATING HUGH ALEXANDER FOR HONOR FROM QUEEN ELIZABETH II, 7 JANUARY 1955 1/7/1955 1 47270 FOLDER 364 A69154 41731979077121 LETTER OF THANKS TO COLONEL ALBRIGHT FOR AUTOGRAPHED PHOTOGRAPH, 24 MAY 1945 5/24/1945 6 47270 FOLDER 364 A69161 41732059077129 PERSONAL LETTER FROM FRIEDMAN TO MRS MARTHA ADAMS, 19 MAY 1949 5/19/1949 1 47270 FOLDER 364 A69162 41732149077138 LETTER FROM FRIEDMAN TO MANAGING EDITOR WILLIAM AND MARY QUARTERLY, 7 NOVEMBER 1949 11/7/1949 1 47270 FOLDER 060 A69281 41709399074870 MESSAGE TRANSLATIONS 12/8/1944 25 47270 FOLDER 060 A69297 41709439074872 LEGAL ARTICLES REGARDING UNITED STATES COURT OF APPEALS FROM "THE WASHINGTON LAW REPORT", VOL. 77, NO. 6 1/1/1948 4 47270 FOLDER 060 A69336 41709449074876 SKIT PRESENTED TO CELEBRATE THE COMPLETION OF THE FIRST CONVERSION SQUARE (28) FOR THE J KEYBOOK OF THE JAS SYSTEM 5/11/1945 8 47270 FOLDER 060 A69340 41709479074879 RECOMMENDED SPECIFICATIONS IN CONNECTION WITH THE CLASSIFICATION OF CIVILIAN POSITIONS FOR EMPLOYEES PERFORMING CRYPTOLOGIC AND CRYPTANALYTIC WORK 1/1/1945 3 47270 FOLDER 060 A69346 41709519074880 A POEM FOR A BIRTHDAY CELEBRATION ON APRIL 6TH 4/6/1945 3 47270 FOLDER 060 A69347 41709529074884 A ROUTING SLIP WITH A MESSAGE REGARDING WENGER AND A NAVY SHIP 7/15/1944 1 47270 FOLDER 060 A69348 41709539074885 INTERCEPTED GERMAN MESSAGE FROM BERLIN TO ARGENTINA 6/3/1944 5 47270 FOLDER 060 A69350 41709569074887 A POEM, THE PASSIONATE CRYPTANALYST TO HIS LADY LOVE 1/1/1945 1 47270 FOLDER 060 A69351 41709579074889 MESSAGE REGARDING FRIEDMAN'S REQUEST ON THE USE OF PRATTÆS BOOK 11/29/1944 1 47270 FOLDER 060 A69352 41709599074891 MESSAGE REGARDING THE GERMANS USE OF PRATTÆS BOOK ON CODES AND CIPHERS 11/25/1944 1 47270 FOLDER 060 A69353 41709609074893 FIELD CODE EMPLOYED BY THE SECRET SERVICE ON PRESIDENTIAL TRIPS 2/1/1944 2 47270 FOLDER 060 A69354 41709629074894 REPORT PART III. WATCH AIR KEYS 5/8/1944 1 47270 FOLDER 060 A69355 41709649074896 JAPANESE TRANSLATED MESSAGE RECEIVED AND DECODED FROM "BROWN" CODE BY STATE DEPARTMENT 6/15/1944 3 47270 FOLDER 060 A69356 41709669074898 MEMO REGARDING GENERAL AKIN'S IDEAS IN TYPE A CRYPTANALYSIS 10/3/1944 1 47270 FOLDER 060 A69357 41709689074900 CUE MESSAGE WITH A TRANSCRIPTED COPY AND A DECRYPT 10/26/1944 5 47270 FOLDER 060 A69358 41709719074903 LETTER FROM STATE DEPARTMENT REPRESENTATIVE IN MADRAS, INDIA REGARDING "KEYING INSTRUCTIONS FOR CONVERTER M-325" 11/17/1944 5 47270 FOLDER 060 A69423 41709739074905 EXCERPTS FROM INVESTIGATION OF COMMUNIST PROPAGANDA, REPORT NO. 2290, 71ST CONGRESS, 3RD SESSION, HOUSE OF REPRESENTATIVES, PAGES 34-35 1/17/1931 3 47270 FOLDER 060 A69476 41709749074906 INFORMATION TAKEN FROM THE RECORD OF TRIAL OF WILLIAM C. COLEPAUGH AND ERICH GIMPEL; RECORD OF TRIAL OF GERMAN SABOTEURS 5/9/1945 16 47270 FOLDER 060 A69480 41709779074909 REFERENCE TO BOOKS ON CRYPTOGRAPHY IN ENGLISH, FRENCH, GERMAN, SPANISH, AND ITALIAN TEXTS 1/1/1945 4 47270 FOLDER 060 A69531 41709799074911 A LISTING OF CLASSIFIED CRYPTOGRAPHIC TECHNICAL AND NONTECHNICAL PAPERS 1/1/1945 1 47270 FOLDER 060 A69571 41709839074915 LIST OF LITERATURE AND PUBLICATIONS USED IN CRYPTOGRAPHIC TRAINING 12/4/1942 7 47270 FOLDER 060 A69605 41709859074917 PADDING. U. S. CIPHER OPERATORS USED TYPEX AND INSERTED PADDING 1/5/1951 1 47270 FOLDER 060 A69606 41709879074919 GERMAN TRANSLATED MESSAGES 4/14/1917 10 47270 FOLDER 060 A69607 41709899074921 LETTER REFERRING TO "HISTORICAL NOVELS" BY R. GRAVES FOCUSING ON A DESCRIPTION OF AN ANCIENT AUGUSTAN CIPHER USED BY ROMAN EMPEROR, AUGUSTUS 11/9/1948 5 47270 FOLDER 060 A69608 41709919074923 NOTE REFERRING TO BAZENES DEVICE 1/1/1945 2 47270 FOLDER 060 A69609 41709939074925 WHEATSTONE DEVICE 1/1/1945 1 47270 FOLDER 060 A69610 41709969074927 INSTRUCTIONS FOR SECRET AGENTS IN A MINIATURE BOOK CONTAINING COPIES OF JAPANESE CODE AND ADDITIVE BOOKS 1/1/1944 9 47270 FOLDER 060 A69611 41709989074929 MUTUAL DEFENSE ASSISTANCE; AGREEMENT BETWEEN THE UNITED STATES OF AMERICA AND THE UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND; PUBLICATION 37701/27/1950 18 47270 FOLDER 059 A69612 41710029074934 ASTIA (ARMED SERVICES TECHNICAL INFORMATION AGENCY) SERVICES AVAILABLE AT NSA; TECHNICAL LIBRARY DIVISION BULLETIN NO. 3 7/22/1955 8 47270 FOLDER 059 A69613 41710049074936 APPLICATION FOR MOVEMENT OF DEPENDENTS, HOUSEHOLD GOODS, AND AUTOMOBILES TO THIS COMMAND AND ASSIGNMENT OF LIVING ACCOMMODATIONS; HEADQUARTERS 1/16/1952EUROPEAN COMMAND, CIRCULAR12 NO. 22

UNCLASSIFIED 135 UNCLASSIFIED

47270 FOLDER 059 A69614 41710059074937 COVER SHEET REFERRING TO THE ENCLOSED MINUTES OF THE NATIONAL SECURITY AGENCY SCIENTIFIC ADVISORY BOARD MEETING 5/19/1955 1 47270 FOLDER 059 A69615 41710109074942 REQUEST TO REVIEW NSA REGULATIONS IN ACCORDANCE WITH NSA COMMUNICATIONS AND PUBLICATIONS MANUAL, ARTICLE 405.2B 6/15/1955 1 47270 FOLDER 059 A69616 41710129074944 REQUEST FOR QUOTA TO ATTEND THE STAFF OFFICER ECM FAMILIARIZATION COURSE (NO. 302000) 4/25/1955 1 47270 FOLDER 059 A69617 41710149074945 GERMAN MAGAZINE "DER SPIEGEL" 5/19/1955 2 47270 FOLDER 059 A69618 41710179074949 NSA STANDARDS FOR COMINT TRAINING IN THE MILITARY DEPARTMENTS; NSA CIRCULAR NO. 41-3 8/9/1954 5 47270 FOLDER 059 A69619 41710189074950 VISIT OF PROFESSOR STEWART S. CAIRNS TO GCHQ 4/8/1955 1 47270 FOLDER 059 A69620 41710209074952 NSA OPERATIONS ORDER ANNEX 307-1. A DAILY COMINT END-PRODUCT REPORT 4/6/1955 4 47270 FOLDER 059 A69621 41710229074953 NSA OPERATIONS ORDER NUMBER 306 (CHANGE 1). SPECIAL WEATHER INTELLIGENCE REPORTS 5/11/1955 1 47270 FOLDER 059 A69622 41710239074954 NSA OPERATIONS ORDER ANNEX 302-1 (CHANGE 1) REFERRING TO WEEKLY TASUM 5/25/1955 2 47270 FOLDER 059 A69623 41710249074955 NSA OPERATIONS ORDER NUMBER 304 (CHANGE 3) REFERRING TO COMINT WEATHER TASKS IN SUPPORT OF ALASKAN AIR COMMAND 5/2/1955 1 47270 FOLDER 059 A69624 41710269074958 NSA OPERATIONS ORDER ANNEX 302-1 AND APPENDIX A 4/6/1955 13 47270 FOLDER 059 A69625 41710299074961 NSA OPERATIONS ORDER NUMBER 301 (CHANGE 5). CURRENTLY ASSIGNED SPECIAL PROJECTS 5/26/1955 2 47270 FOLDER 059 A69626 41710309074962 NSA OPERATIONS ORDER NUMBER 301 (CHANGE 4). TECHNICAL REPORTS AND DATA 5/3/1955 1 47270 FOLDER 059 A69627 41710349074966 NSA OPERATIONS ORDER NUMBER 214. PROCESSING REQUIRED TO PRODUCE COMINT IN SUPPORT OF U. S. COMMANDS 6/13/1955 5 47270 FOLDER 059 A69628 41710329074964 NSA OPERATIONS ORDER NUMBER 213 (CHANGE 2). TO ADD COMNAVFE 3/30/1955 1 47270 FOLDER 059 A69629 41710379074969 NSA OPERATIONS ORDER ANNEX 212-1. INSTRUCTIONS AND PROCEDURES 5/27/1955 3 47270 FOLDER 059 A69630 41710409074972 NSA OPERATIONS NUMBER ORDER ANNEX 211-2 (CHANGE 1). TECHNICAL NOTES TO NSA, GCHQ, 4/25/1955 1 47270 FOLDER 059 A69631 41710429074974 NSA OPERATIONS ORDER ANNEX 211-1 (CHANGE 2). CHANGE FAR EAST INTELLIGENCE SUMMARY 6/23/1955 1 47270 FOLDER 059 A69632 41710449074976 NSA OPERATIONS ORDER ANNEX 211-1 (CHANGE 1). TEXTA DISPATCH SERIES 4/29/1955 2 47270 FOLDER 059 A69633 41710489074979 NSA OPERATIONS ORDER ANNEX NUMBER 211-1 3/16/1955 8 47270 FOLDER 059 A69634 41710519074983 NSA OPERATIONS ORDER NUMBER 126 (CHANGE 1) 6/9/1955 1 47270 FOLDER 059 A69635 41710559074987 NSA OPERATIONS ORDER NUMBER 126. 327TH COMMUNICATIONS RECONNAISSANCE COMPANY 5/2/1955 6 47270 FOLDER 059 A69636 41710569074988 NSA OPERATIONS ORDER NUMBER 124. ARMY SECURITY AGENCY, COMINT SUPPORT 3/16/1955 4 47270 FOLDER 059 A69637 41710599074991 NSA OPERATIONS ORDER ANNEX 113-2 (CHANGE 1) 6/7/1955 1 47270 FOLDER 059 A69638 41710619074992 NSA OPERATIONS ORDER NUMBER 113 (CHANGE 1) 6/7/1955 1 47270 FOLDER 059 A69639 41710639074994 NSA OPERATIONS ORDER NUMBER 109 (CHANGE 3). COMINT END-PRODUCT REPORTS 6/23/1955 2 47270 FOLDER 059 A69640 41710669074997 NSA OPERATION ORDER NUMBER 109 (CHANGE 2) 3/31/1955 1 47270 FOLDER 059 A69641 41710689074999 NSA OPERATIONS ORDER ANNEX 101-1. USM-1 5/4/1955 2 47270 FOLDER 059 A69642 41710699075000 NSA CIRCULAR NUMBER 92-1 (CHANGE 1). POLICY GOVERNING PROCUREMENT AND STOCKING OF SPARE PARTS FOR CRYPTOLOGIC AND RELATED EQUIPMENT REQUIRED BY DEPARTMENTS5/31/1955 AND AGENCIES OF1 THE UNITED STATES GOVERNMENT 47270 FOLDER 059 A69643 41710759075007 NSA CIRCULAR NUMBER 92-1. POLICY GOVERNING PROCUREMENT AND STOCKING OF SPARE PARTS FOR CRYPTOLOGIC AND RELATED EQUIPMENT REQUIRED BY DEPARTMENTS AND5/10/1955 AGENCIES OF THE UNITED3 STATES GOVERNMENT 47270 FOLDER 059 A69644 41787939082694 NSA CIRCULAR NUMBER 111-2. FINANCIAL POLICY GOVERNING COORDINATING PROCUREMENT OF CRYPTOLOGIC EQUIPMENT AND SPARE PARTS FOR THE U. S. MILITARY SERVICES 5/10/1955 2 47270 FOLDER 059 A69645 41710769075008 NSA GENERAL ORDERS NUMBER 37. REORGANIZATION OF PRODUCTION 4/20/1955 4 47270 FOLDER 059 A69646 41710789075010 NSA GENERAL ORDERS NUMBER 36. INSERTING "PROGRAM AND BUDGET GROUP NSA-402" AND "POLICY AND PLANNING GROUP NSA-404" 4/15/1955 1 47270 FOLDER 059 A69647 41710819075013 NSA GENERAL ORDERS NUMBER 27. NSA TOP SECRET CONTROL OFFICER 4/4/1955 1 47270 FOLDER 059 A69648 41710829075014 NSA OPERATIONS ORDER NUMBER 312 (CHANGE 4). DISTRIBUTION OF COMINT REPORTS 6/7/1955 1 47270 FOLDER 059 A69649 41710869075018 NSA OPERATIONS ORDER NUMBER 311 (CHANGE 1). DISTRIBUTION OF COMINT REPORTS 6/7/1955 1 47270 FOLDER 059 A69650 41710899075021 NSA OPERATIONS ORDER NUMBER 313 (CHANGE 5). DISTRIBUTION OF COMINT REPORTS 6/7/1955 1 47270 FOLDER 059 A69651 41710929075023 NSA OPERATIONS ORDER NUMBER 402 (CHANGE 1) 4/5/1955 1 47270 FOLDER 059 A69652 41710949075026 NSA OPERATIONS ORDER ANNEX 315-1. OPERATIONAL INSTRUCTIONS FOR PROJECT 6/13/1955 29 47270 FOLDER 059 A69653 41710989075029 NSA OPERATIONS ORDER NUMBER 402 (CHANGE 2) 5/5/1955 1 47270 FOLDER 059 A69654 41711019075033 INDEX OF NSA OPERATIONS ORDERS AND OPERATIONS ORDER ANNEXES 7/29/1955 4 47270 FOLDER 059 A69655 41711049075036 NSA REGULATION NUMBER 90-2 (CHANGE 1). NOMENCLATURE FOR COMMUNICATIONS SECURITY MATERIALS 5/16/1955 5 47270 FOLDER 059 A69656 41711089075037 NSA REGULATION 31-2. WEARING OF THE SERVICE UNIFORM ON TDY 6/17/1955 2 47270 FOLDER 059 A69657 41711109075040 NSA REGULATION NUMBER 20-5 - NSA PLANNING PROGRAM 5/10/1955 9 47270 FOLDER 059 A69658 41711129075044 CLASSIFICATION AND HANDLING OF DOCUMENTS CONCERNING COMMUNICATIONS INTELLIGENCE ACTIVITIES 4/1/1955 4 47270 FOLDER 059 A69659 41711419075073 NSA REGULATION NUMBER 121-7 AND ANNEX. SECURITY OF CLASSIFIED INFORMATION AND MATERIAL 4/8/1955 41 47270 FOLDER 059 A69660 41711469075077 CHANGES TO THE NSA ORGANIZATION MANUAL 3/31/1955 2 47270 FOLDER 059 A69661 41711479075078 CORRESPONDENCE BETWEEN W. FRIEDMAN AND TRAINING OFFICES REFERRING TO THE SENIOR STAFF OFFICERS' COURSE 11/19/1954 8 47270 FOLDER 059 A69662 41711489075079 NSA OPERATIONS ORDER NUMBER 301 (CHANGE 6). COMINT PVO STUDIES 8/16/1955 1 47270 FOLDER 059 A69663 41711509075081 NSA GENERAL ORDERS NUMBER 74. DESIGNATION OF NATIONAL SECURITY AGENCY MEMBERSHIP FOR THE TECHNICAL MANAGEMENT BOARD 8/11/1955 1

UNCLASSIFIED 136 UNCLASSIFIED

47270 FOLDER 059 A69664 41711519075082 DEBRIEFING OF CIVILIAN PERSONNEL LEAVING AGENCY 8/10/1955 1 47270 FOLDER 059 A69665 41711539075083 NSA SPECIAL MEETING 8/10/1955 1 47270 FOLDER 059 A69666 41711559075085 NSA REGULATION NUMBER 31-1. CONTROL OF ASSIGNMENT TO HAZARDOUS ACTIVITIES 8/9/1955 3 47270 FOLDER 059 A69667 41711569075087 NSA OPERATIONS ORDER ANNEX 302-1 (CHANGE 2) 7/14/1955 1 47270 FOLDER 059 A69668 41711579075088 INDEX OF NSA OPERATIONS ORDERS AND OPERATIONS ORDER ANNEXES 7/18/1955 4 47270 FOLDER 059 A69669 41711609075091 NSA OPERATIONS ORDER ANNEX 113-4 7/1/1955 11 47270 FOLDER 059 A69670 41711629075093 NSA OPERATIONS ORDER ANNEX 211-2 (CHANGE 2 AND 3) 7/19/1955 2 47270 FOLDER 059 A69671 41711639075094 NSA OPERATIONS ORDER NUMBER 213 (CHANGE 3) 7/19/1955 1 47270 FOLDER 059 A69672 41711659075096 NSA OPERATIONS ORDER NUMBER 211 (CHANGE 1) 7/19/1955 1 47270 FOLDER 059 A69673 41711699075100 NSA OPERATIONS ORDER NUMBER 316 7/26/1955 5 47270 FOLDER 059 A69674 41711709075101 NSA OPERATIONS ORDER ANNEX 211-2 (CHANGE 3) 7/28/1955 1 47270 FOLDER 059 A69675 41711729075103 NSA OPERATIONS ORDER ANNEX 101-1 (CHANGE 1) 7/29/1955 1 47270 FOLDER 059 A69676 41711779075107 NSA OPERATIONS ORDER NUMBER 126 (CHANGE 2) 7/28/1955 1 47270 FOLDER 059 A69677 41711789075109 NSA OPERATIONS ORDER NUMBER 114 (CHANGE 1). END PRODUCT RECIPIENTS 7/27/1955 1 47270 FOLDER 059 A69678 41711809075110 NSA OPERATIONS ORDER ANNEX 211-3. CURRENT REPORTING ON COMINT ENTITY 8/15/1955 9 47270 FOLDER 059 A69679 41711819075112 NSA OPERATIONS ORDER ANNEX 213-1 8/15/1955 9 4127 ACC4127 A69731 41789549082854 FRIEDMAN LETTER REQUESTING ESTABLISHMENT OF AN ASA INFORMATION AND RESEARCH SECTION; ARMY SECURITY AGENCY HISTORICAL UNIT, WDGSS-14 3/12/1946 3 47270 FOLDER 367 A69820 41732189077142 USE OF NAVAJO INDIANS FOR COMMUNICATIONS, 26 JUNE 1944 6/26/1944 4 47270 FOLDER 367 A69833 41732239077147 REQUEST TO WATERMAN FOUNTAIN PEN COMPANY FOR NEW CAP AND CLIP, 4 JANUARY 1944 1/4/1944 5 47270 FOLDER 367 A69835 41731129077036 RECEIPT OF CHRISTMAS CARD FROM W.C. WASHCOE, 5 JANUARY 1951 1/5/1951 6 47270 FOLDER 367 A69837 41731149077038 LETTER OF CONGRATULATIONS TO GENERAL MANAGER OF THE AMERICAN RADIO RELAY LEAGUE ON 25TH ANNIVERSARY, 6 APRIL 1944 4/6/1944 2 47270 FOLDER 367 A69841 41732269077150 VARIOUS CORRESPONDENCE BETWEEN FRIEDMAN AND ROBERT N. WALKER, 7 JANUARY 1952 1/7/1952 14 47270 FOLDER 367 A69844 41732339077157 CORRESPONDENCE REGARDING PUBLIC PRESS ITEM RE FRIEDMAN, 8 DECEMBER 1952 12/8/1952 2 47270 FOLDER 367 A69846 41732299077153 LETTER OF APPRECIATION FOR RAND MEMORANDA, 16 FEBRUARY 1954 2/16/1954 2 47270 FOLDER 367 A69850 41732419077165 RIVERBANK PUBLICATIONS, 7 MARCH 1945 3/7/1945 3 47270 FOLDER 367 A69875 41732469077170 EXCHANGE OF LETTERS BETWEEN FRIEDMAN AND E.R. VINCENT, GCHQ, RE DICTIONARY OF CRYPTOGRAPHIC TERMS, 16 FEBRUARY 1945 2/16/1945 8 47270 FOLDER 367 A69876 41732499077173 DISPOSITION OF CIPHER BUREAU RECORDS, 9 MARCH 1948 3/9/1948 4 47270 FOLDER 367 A69879 41732379077161 REASSIGNMENT OF LT. TORNHEIM, 26 MARCH 1943 3/26/1943 7 47270 FOLDER 367 A69894 41732539077178 REQUEST FOR PUBLICATIONS FROM RIVERBANK LABORATORIES, 24 FEBRUARY 1948 2/24/1948 7 47270 FOLDER 367 A69898 41732579077181 THURBER ASSIGNMENT TO ASA, 2 APRIL 1951 4/2/1951 2 47270 FOLDER 367 A69899 41732609077184 LETTER REGARDING VACANCY IN AGENCY HISTORICAL UNIT, 24 JANUARY 1954 1/24/1954 4 47270 FOLDER 366 A69905 41732659077189 REQUEST FOR FRIEDMAN LECTURE AT USAF AIR UNIVERSITY, 19 FEBRUARY 1954 2/19/1954 2 47270 FOLDER 366 A69907 41732689077191 ACKNOWLEDGEMENT OF RECEIPT OF "A BIBLIOGRAPHY OF INFORMATION THEORY", 5 JUNE 1953 6/5/1953 2 47270 FOLDER 366 A69913 41732719077195 LETTERS RE COLONEL SVENSSON ASSIGNMENT WITH AFSA, 8 OCTOBER 1952 10/8/1952 9 47270 FOLDER 366 A69915 41732809077205 UTILIZATION OF SERVICES OF DR. STONE, 30 SEPTEMBER 1952 9/30/1952 16 47270 FOLDER 366 A69922 41732859077209 EXCHANGE OF PERSONAL LETTERS WITH MAJOR G. STEVENS W.E.C, 16 FEBRUARY 1945 2/16/1945 6 47270 FOLDER 366 A69924 41732909077214 RECEIPT FOR PHOTOGRAPH AND REMEMBRANCES OF FORMER MEMBERS OF MI-8, 25 NOVEMBER 1949 11/25/1949 2 47270 FOLDER 366 A69925 41732929077216 LETTER OF CONGRATULATIONS FROM CARL STERN UPON RECEIPT OF LEGION OF MERIT, 29 MARCH 1946 3/29/1946 2 47270 FOLDER 366 A69927 41732959077219 RECEIPT FOR PACKAGE OF BOOKS RECEIVED FROM MR. DUDLEY SMITH, OFFICES OF THE CYPHER POLICY BOARD, 3 SEPTEMBER 1951 9/3/1951 2 47270 FOLDER 366 A69930 41732979077221 BACON-SHAKESPEAREAN CONTROVERSY, 23 MAY 1951 5/23/1951 3 47270 FOLDER 366 A69931 41733019077225 FRANCIS BACON POETIC WORKS AND HIDDEN CIPHER, 6 JULY 1950 7/6/1950 2 47270 FOLDER 366 A69933 41733039077227 PERSONAL EXCHANGE WITH COLONEL ABRAHAM SINKOV, 20 NOVEMBER 1944 11/20/1944 6 47270 FOLDER 366 A69934 41732029077126 ACCEPTANCE OF A POSITION WITH THE ARMY SECURITY AGENCY, 8 FEBRUARY 1949 2/8/1949 2 47270 FOLDER 366 A69935 41733069077230 PERSONAL CORRESPONDENCE WITH MAJOR GENERAL SIR JOHN SINCLAIR, 1 DECEMBER 1953 12/1/1953 2 47270 FOLDER 366 A69936 41733099077234 REQUEST FOR ASSISTANCE IN TRANSFERRING TO SIGNAL CORPS, 7 MARCH 1945 3/7/1945 7 47270 FOLDER 366 A69938 41733139077237 PERSONAL CORRESPONDENCE WITH MR. BENJAMIN R. SHUTE, 13 NOVEMBER 1951 11/13/1951 2 47270 FOLDER 366 A69943 41733169077240 CORRESPONDENCE RE GLOSSARY OF CRYPTOGRAPHIC TERMS, 11 FEBRUARY 1946 2/11/1946 25 47270 FOLDER 366 A69944 41731109077034 TRANSFER OF PFC WILLIAM R. SEARS, 22 NOVEMBER 1944 11/22/1954 7 47270 FOLDER 366 A69949 41733199077243 LOAN OF BOOK TITLED " ELEMENTS OF CRYPTOGRAPHY" BY CAPTAIN ROGER BAUDOUIN, 19 FEBRUARY 1948 2/19/1948 14 47270 FOLDER 366 A69953 41733209077244 COVER LETTERS FROM RAND CORPORATION FORWARDING CLASSIFIED MATERIAL, LATE 1953 - EARLY 1954 2/1/1954 5

UNCLASSIFIED 137 UNCLASSIFIED

47270 FOLDER 366 A69954 41733269077250 ENDORSEMENT OF WORLD CALENDAR, 3 AUGUST 1949 8/3/1949 1 47270 FOLDER 366 A69977 41733289077252 RUSSIAN WORD COUNT PROJECT AT WAYNE UNIVERSITY, 20 JUNE 1950 6/20/1950 2 47270 FOLDER 366 A69978 41733309077254 CORRESPONDENCE WITH JAN RAJCHMAN, RCA MANUFACTURING COMPANY REGARDING VISIT TO FACTORY, 11 MARCH 1943 3/11/1943 6 47270 FOLDER 366 A69979 41733329077256 CONGRATULATORY LETTER FROM ATT RECOGNIZING A RECENT AWARD, 1944 4/4/1944 2 47270 FOLDER 366 A69980 41733339077257 REQUEST FOR CRYPTOGRAPHIC MATERIALS, 1 MAY 1946 5/1/1946 7 47270 FOLDER 366 A69981 41733359077259 CAPTAIN DONALD PHILLIPS RESERVE OFFICER APPOINTMENT IN ASA, 10 JUNE 1947 6/10/1947 2 47270 FOLDER 366 A69982 41733379077261 FRIEDMAN--PERSONAL CORRESPONDENCE WITH COLONEL A.C. PETERSON, 11 MAY 1951 5/11/1951 4 47270 FOLDER 366 A69983 41733399077263 STUDY OF THE BEALE PAPERS, 15 AUGUST 1949 8/15/1949 6 47270 FOLDER 366 A69984 41733419077265 CONGRATULATIONS FOR EXCEPTIONAL AWARD FROM THE WAR DEPARTMENT, 5 JUNE 1944 6/5/1944 2 47270 FOLDER 365 A69985 41733439077267 LETTER OF APPRECIATION UPON RECEIPT OF BOOK ON ACTIVITIES OF G.C. & C.S., 26 SEPTEMBER 1945 9/26/1945 2 47270 FOLDER 365 A69986 41733239077247 MISS ISABEL M. MURDOCK ACCEPTANCE OF EMPLOYMENT WITH GOVERNMENT, 24 APRIL 1951 4/24/1951 2 47270 FOLDER 365 A69989 41733459077269 LETTER TO MISS MORTIMER REGARDING MR ROSS'S PAPER ON UNDECIPHERED LANGUAGES, 18 JANUARY 1946 1/18/1946 2 47270 FOLDER 365 A69990 41733479077271 REQUEST FOR COURSE MATERIALS RE COMMUNICATIONS SECURITY, 2 NOVEMBER 1954 11/2/1954 7 47270 FOLDER 365 A69991 41733559077279 REVIEW OF GALLAND MANUSCRIPT, 11 JANUARY 1951 1/11/1951 4 47270 FOLDER 365 A69993 41733569077280 AWARD OF LEGION OF MERIT POSTHUMOUSLY TO MR. A. JOHN MCGRAIL, 29 NOVEMBER 1945 11/29/1945 11 47270 FOLDER 365 A69994 41733579077281 MCCRACKEN ACTIVE DUTY WITH ASA, 29 MARCH 1950 3/29/1950 3 47270 FOLDER 058 A69996 41711829075113 NATIONAL SECURITY AGENCY PERSONNEL DEVELOPMENT BOARD; GENERAL ORDERS NUMBER 76 8/15/1955 2 47270 FOLDER 365 A69997 41733539077277 PERSONAL CORRESPONDENCE WITH COLONEL PATRICK MARR-JOHNSON, 13 MAY 1944 5/13/1944 6 47270 FOLDER 058 A69998 41711859075116 NSAEUR BRIEFING ON REPORTS 2/7/1955 1 47270 FOLDER 365 A69999 41733629077286 OFFER OF LOAN OF PAPERS RE POE AS A CRYPTOGRAPHER, 11 MAY 1945 5/11/1945 2 47270 FOLDER 365 A70000 41733499077273 ACKNOWLEDGEMENT OF LETTER RE CARRIER PIGEONS, 2 MARCH 1943 3/2/1943 1 47270 FOLDER 058 A70001 41711879075118 LECTURE COURSE IN CRYPTANALYSIS 2/5/1945 2 47270 FOLDER 365 A70002 41733649077288 POSSIBILITY OF ASSIGNMENT OF TWO MEN TO SIGNAL SECURITY SERVICE, 1943 3/1/1943 3 47270 FOLDER 365 A70003 41733689077292 CRYPTOGRAPHIC EQUIPMENT ABOARD FOREIGN VESSEL "GRILLE", 15 AUGUST 1949 8/15/1949 5 47270 FOLDER 365 A70004 41733709077294 FORWARDING OF COPY OF LITERATURE ON CODE-SIGN SYSTEMS FROM COLONEL LYCETT, BRITISH WAR OFFICE, 9 OCTOBER 1943 10/9/1943 6 47270 FOLDER 365 A70006 41733599077283 LETTER OF INQUIRY REGARDING JOB WORKING WITH CRYPTOGRAPHY, 8 NOVEMBER 1949 11/8/1949 5 47270 FOLDER 365 A70008 41733529077276 MUSEUM OF SCIENCE AND INDUSTRY LECTURE SERIES ON CRYPTOGRAPHY, 26 OCTOBER 1944 10/26/1944 5 47270 FOLDER 365 A70009 41733789077302 RETIREMENT OF DR. H. LOVE, CORNELL UNIVERSITY, 24 JUNE 1949 6/24/1949 4 47270 FOLDER 365 A70010 41733619077285 RENEWAL OF LIBRARY OF CONGRESS CARD, 23 JULY 1943 7/23/1943 2 47270 FOLDER 365 A70013 41733809077304 TRIBUTE TO LT. COLONEL PHILIP LEWIS, BRITISH SERVICE, 5 MARCH 1947 3/5/1947 13 47270 FOLDER 365 A70015 41733769077300 INQUIRY FOR ACTIVE DUTY WITH ASA, 6 AUGUST 1951 8/6/1951 9 47270 FOLDER 365 A70016 41734289077352 QUERY REGARDING CLASSES TAKEN IN 1930, 20 AUGUST 1947 8/20/1947 4 47270 FOLDER 365 A70019 41733879077311 POST-WAR CRYPTOLOGIC JOB OPPORTUNITIES, 20 NOVEMBER 1944 11/20/1944 3 47270 FOLDER 365 A70020 41734159077339 REQUEST FOR SIGNAL CORPS CRYPTOGRAPHIC MATERIAL, 18 JANUARY 1946 1/18/1946 4 47270 FOLDER 365 A70021 41733959077319 OFFER OF CODE BOOK ENTITLED "TELEGRAPHIC CIPHER CODE", 10 FEBRUARY 1943 2/10/1943 4 47270 FOLDER 365 A70022 41733909077314 REQUEST FOR PERMISSION TO ORDER SIGNAL CORPS DOCUMENTS, 19 AUGUST 1949 8/19/1949 5 47270 FOLDER 365 A70023 41733589077282 EXCHANGE OF DOCUMENTS AND PHOTOGRAPHS BETWEEN FRIEDMAN AND DR. HUETTENHAIN, 18 JANUARY 1954 1/18/1954 6 47270 FOLDER 365 A70028 41734179077341 RECEIPT OF DR. SHANNON'S MONOGRAPH "COMMUNICATION THEORY OF SECRECY SYSTEMS", 15 SEPTEMBER 1954 9/15/1954 2 47270 FOLDER 365 A70031 41733719077296 COURSES IN CRYPTANALYSIS AT MOUNT HOLYOKE COLLEGE AND REQUEST FOR ASSISTANCE IN ASSIGNMENT OF AN INDIVIDUAL TO A CRYPTOGRAPHIC UNIT, 19 MARCH 1954 3/19/1954 13 47270 FOLDER 365 A70033 41734109077334 ORIGINAL MODEL OF CIPHER DEVICE, 21 DECEMBER 1944 12/21/1944 8 47270 FOLDER 365 A70035 41733759077299 ACKNOWLEDGE RECEIPT OF 35MM FILM, 18 JANUARY 1946 1/18/1946 3 47270 FOLDER 365 A70038 41733669077290 PERSONAL CORRESPONDENCE, FRIEDMAN/HILCKEN, 15 MARCH 1943 3/15/1943 2 47270 FOLDER 365 A70040 41733849077308 A REFERENCE LIST OF CRYPTOGRAPHIC APPARATUS FROM THE U.S. PATENT OFFICE 4 JANUARY 1954 1/4/1954 4 47270 FOLDER 365 A70043 41733829077306 REQUEST FOR PAPERS ON CRYPTOGRAPHY FOR ADVANCED STUDIES COURSE AT ST. JOHN'S UNIVERSITY, 15 MARCH 1943 3/15/1943 2 47270 FOLDER 365 A70045 41733969077321 CORRESPONDENCE CONCERNING WORLD WAR II AND POST-WAR CAREER OF EDWARD HAWKINS, 1943-1954 4/12/1954 15 47270 FOLDER 365 A70047 41734119077336 REQUEST FOR ASSISTANCE IN ASSIGNMENT TO A CRYPTOGRAPHIC MILITARY UNIT, 2 MARCH 1943 3/2/1943 5 47270 FOLDER 365 A70048 41734139077337 REQUEST FOR JOB ASSISTANCE, 2 APRIL 1952--FRIEDMAN 4/2/1952 3 47270 FOLDER 365 A70050 41734079077331 REQUEST FOR ENGLISH TRANSLATION OF SACCO'S "MANUALE DE CRITTOGRAFIA", 20 MARCH 1952 3/20/1952 4 47270 FOLDER 365 A70053 41733859077309 INTEREST IN RETURNING TO ACTIVE MILITARY DUTY, 2 SEPTEMBER 1949 9/2/1949 2 47270 FOLDER 364 A70062 41733899077313 AUTOGRAPHED GENERAL GIBBS PHOTOGRAPH ACKNOWLEDGEMENT, 19 APRIL 1945 2/28/1945 4

UNCLASSIFIED 138 UNCLASSIFIED

47270 FOLDER 364 A70067 41733999077324 VARIOUS CORRESPONDENCE WITH WALTER FRIED, 1944-1949 7/8/1949 21 47270 FOLDER 364 A70070 41896339093525 REQUEST FOR ASSISTANCE IN ASSIGNMENT TO "INTELLIGENCE" MILITARY ASSIGNMENT, 19 MARCH 1951 3/19/1951 2 47270 FOLDER 363 A70072 41734339077360 ENGSTROM STUDY FOR PROPOSED OFFICE OF RESEARCH IN AFSA; TASK LIST FOR OFFICE OF RESEARCH AND DEVELOPMENT, 1954 5/20/1952 119 47270 FOLDER 364 A70073 41896359093527 INQUIRY REGARDING ASSIGNMENT TO CRYPTOGRAPHIC WORK, 16 JANUARY 1953 1/16/1953 3 47270 FOLDER 364 A70074 41734039077327 INTEREST IN OBTAINING EMPLOYMENT WITH THE SIGNAL CORPS, 23 MARCH 1943 3/23/1943 3 47270 FOLDER 364 A70075 41734229077347 PERSONAL LETTERS EXCHANGED 1943 - 1944 4/25/1944 10 47270 FOLDER 364 A70076 41734209077344 RECEIPT FOR COMPLIMENTARY COPIES OF BOOKS, 23 MAY 1944 5/23/1944 5 47270 FOLDER 364 A70077 41734059077329 LETTERS RE EXAMINING A MANUSCRIPT WRITTEN BY HERR ANDREAS FIGL, 29 OCTOBER 1954 10/29/1954 12 47270 FOLDER 364 A70078 41734429077367 OFFER BY ANDREAS FIGL TO SELL CERTAIN CRYPTOGRAPHIC WRITINGS, 1953-1954 5/14/1954 12 47270 FOLDER 364 A70079 41734459077369 RECEIPT OF STUDY ENTITLED "ROGER BACON'S CYPHER", 13 MAY 1944 5/13/1944 2 47270 FOLDER 364 A70080 41734479077371 AUTOGRAPHS OF THE KINGS OF SWEDEN DONATED TO LIBRARY OF CONGRESS, 1949 8/15/1949 3 47270 FOLDER 364 A70081 41734519077375 REQUEST TO CONTRIBUTE TO MONTHLY COMMUNICATIONS SECURITY INFORMATION LETTER (CSIL), 31 MAY 1951 5/31/1951 2 47270 FOLDER 364 A70082 41734619077385 PERSONAL CORRESPONDENCE WITH COLONEL HUGH ERSKINE, 1945 3/23/1945 5 47270 FOLDER 364 A70083 41734659077389 TRANSLATIONS OF FRENCH BOOKS ON CRYPTOGRAPHY, 1953 3/13/1953 10 47270 FOLDER 364 A70084 41734599077383 U.S. UNIVERSITY COURSE OFFERINGS IN CRYPTOLOGY, 8 JUNE 1951 6/8/1951 2 47270 FOLDER 364 A70085 41734549077378 CORRESPONDENCE WITH H.P. EDMUNDSON REGARDING MECHANICAL TRANSLATION AND POSSIBLE EMPLOYMENT WITH AFSA, 1951-1952 6/5/1952 9 47270 FOLDER 364 A70086 41734769077400 ELECTION TO COSMOS CLUB, 10 JULY 1946 7/10/1946 2 47270 FOLDER 364 A70087 41734579077381 PERSONAL CORRESPONDENCE WITH BRITISH COLLEAGUES 4/12/1945 21 47270 FOLDER 364 A70088 41734739077397 INTEREST IN OBTAINING PUBLICATIONS ON CRYPTOGRAPHY, 11 APRIL 1943 4/11/1943 2 47270 FOLDER 364 A70089 41734689077392 REFERENCE TO THE STUDY OF THE PROSE STYLE OF THE FEDERALIST PAPERS BY TEXAS CHRISTIAN UNIVERSITY, 1949 8/24/1949 2 47270 FOLDER 364 A70090 41734779077401 PERSONAL CORRESPONDENCE WITH COLONEL EARLE COOK, SEPTEMBER - OCTOBER 1945 10/22/1945 8 47270 FOLDER 364 A70091 41734709077394 REFERENCE TO PUBLICATION OF "THE USE OF CODES AND CIPHERS IN THE WORLD WAR AND LESSONS TO BE LEARNED THEREFROM", 11 FEBRUARY 1943 2/11/1943 3 47270 FOLDER 364 A70092 41734719077395 PERSONAL CORRESPONDENCE WITH BRIGADIER GENERAL CARTER CLARKE, 1950 - 1952 4/23/1952 17 47270 FOLDER 364 A70093 41734979077421 CORRESPONDENCE WITH BELL LABORATORIES 22 FEBRUARY 1943 2/22/1943 3 47270 FOLDER 364 A70094 41734669077390 CORRESPONDENCE WITH STATE DEPARTMENT EMPLOYEE (J. RIVES CHILDS), 1943-1944 5/10/1944 3 47270 FOLDER 364 A70095 41734749077398 ARRIVAL OF COPY OF "MEMORANDUM ON SIGNALS AND CYPHER SECURITY", 11 MARCH 1943 3/11/1943 2 47270 FOLDER 364 A70096 41734839077407 PUBLICATION OF PROFESSOR GALLAND'S MANUSCRIPT, 13 OCTOBER 1943 10/13/1943 2 47270 FOLDER 364 A70097 41734809077404 PERSONAL CORRESPONDENCE 1951-1954 10/28/1954 4 47270 FOLDER 364 A70099 41735029077426 CORRESPONDENCE WITH WILLIAM G. BRYAN REGARDING THEORIES ON CRYPTOGRAPHY AND REQUESTS FOR EMPLOYMENT WITH AFSA, 1949-1951 2/26/1951 10 47270 FOLDER 364 A70100 41734859077409 NATIONAL BUREAU OF STANDARDS SOLVES THE MYSTERY OF THE MEDALLION DESIGN, 11 AUGUST 1950 8/11/1950 3 47270 FOLDER 364 A70101 41734929077416 DESIRE FOR "REAL" CRYPTOLOGIC EXPERIENCE, 23 AUGUST 1944 8/23/1944 2 47270 FOLDER 364 A70103 41734889077412 COMMENTARY ON JEFFERSON'S "WHEEL CYPHER", 12 JANUARY 1950 1/12/1950 8 47270 FOLDER 364 A70106 41896369093528 AMERICAN CRYPTOGRAM SOCIETY CORRESPONDENCE, 10 SEPTEMBER 1952 9/10/1952 42 47270 FOLDER 364 A70108 41734799077403 ARRANGEMENT FOR EMPLOYMENT INTERVIEW, 14 JULY 1950 7/14/1950 1 47270 FOLDER 364 A70110 41734959077419 REQUEST FOR COMMENTS ON ARTICLE IN THE UNITED STATES QUARTERLY BOOK LIST, 6 JULY 1950 7/6/1950 3 47270 FOLDER 364 A70113 41735039077427 HISTORY OF THE MILITARY INTELLIGENCE DIVISION, 8 NOVEMBER 1954 11/8/1954 10 47270 FOLDER 364 A70117 41735009077424 PROFESSOR YAMAGIWA'S BOOK "MODERN CONVERSATIONAL JAPANESE, 1 JANUARY 1943 1/1/1943 2 47270 FOLDER 364 A70120 41735099077433 REQUEST FOR RIVERBANK LABORATORIES PUBLICATION, 11 MAY 1944 5/11/1944 4 47270 FOLDER 364 A70122 41735049077428 APPRECIATION FOR PHOTOGRAPH AND AUTOGRAPH, 5 OCTOBER 1951 10/5/1951 2 47270 FOLDER 364 A70126 41735089077432 PERSONAL CORRESPONDENCE WITH WALTER ARENSBERG, 31 OCTOBER 1951 10/31/1951 2 47270 FOLDER 364 A70129 41735019077425 CORRESPONDENCE WITH PROFESSOR ANDREE RE EMPLOYMENT WITH NSA, 2 JUNE 1953 6/2/1953 33 47270 FOLDER 364 A70134 41735059077429 TRANSLATION OF JAPANESE NOTE ACCOMPANYING CHRISTMAS PRESENT GIVEN TO GENERAL AKIN, 29 JANUARY 1952 1/29/1952 9 47270 FOLDER 364 A70136 41735079077431 REQUEST FOR INTERVIEW IN CONJUNCTION WITH POSSIBLE MILITARY ASSIGNMENT TO A CRYPTOLOGIC UNIT, 20 APRIL 1943 4/20/1943 2 47270 FOLDER 105 A70267 41708969074827 STAFF STUDY PERTAINING TO MODIFICATION OF SIGROD PLAN; COMMENTS BY SINKOV AND FRIEDMAN 8/26/1947 1 47270 FOLDER 105 A70271 41708999074830 MEETING OF THE EXECUTIVE COMMITTEE, SECURITY DIVISION, 6 NOVEMBER 1946; THE SITUATION CONCERNING SIGROD 11/6/1946 5 47270 FOLDER 104 A70285 41709069074838 GENERAL PURPOSE FLEXIBLE ANALYTIC EQUIPMENT SUBCOMMITTEE MEETING: ATTENDEES , 4-7 MAY 1954 5/7/1954 1 47270 FOLDER 104 A70286 41709089074840 GENERAL PURPOSE FLEXIBLE ANALYTIC EQUIPMENT SUBPANEL: AGENDA, 4-7 MAY 1954 5/7/1954 1 47270 FOLDER 104 A70287 41709159074847 TRAVEL ORDERS: WILLIAM LAWLESS 4/28/1954 1 47270 FOLDER 104 A70288 41709179074848 GENERAL PURPOSE FLEXIBLE ANALYTIC EQUIPMENT SUBCOMMITTEE: VOLUNTEER/INVITEE 4/28/1954 1 47270 FOLDER 104 A70289 41709199074850 ARRANGEMENTS FOR SUBCOMMITTEE ON GENERAL PURPOSE FLEXIBLE ANALYTIC EQUIPMENT 4/23/1954 1

UNCLASSIFIED 139 UNCLASSIFIED

47270 FOLDER 104 A70291 41709219074855 GENERAL PURPOSE FLEXIBLE ANALYTIC EQUIPMENT SUBCOMMITTEE CROSS REFERENCED TO ELECTRONICS PANEL MEMBERS 4/2/1954 47 47270 FOLDER 103 A70302 41709279074859 MEMO RE PATENT REGULATIONS AND APPROVAL 5/6/1935 2 47270 FOLDER 103 A70304 41709329074865 PATENT APPLICATION: CIPHER DEVICE 4/19/1935 4 47270 FOLDER 058 A70308 41711919075122 LECTURE ON CRYPTOGRAPHY AND CRYPTANALYSIS 10/24/1944 24 47270 FOLDER 058 A70310 41711889075119 EXAMINATION OF A CRYPTOSYSTEM SENT TO MAJOR GENERAL STONER BY WILLIAM FRIEDMAN; LETTER DTD 1 APRIL 1955 REFERRING TO A CRYPTOGRAPHIC SYSTEM PROPOSED BY MR.4/20/1955 HOWARD N. SMITH 3 47270 FOLDER 103 A70313 41709359074868 PATENT APPLICATION: CIPHER DEVICE -- SPECIFICATIONS, CLAIMS, DRAWINGS 11/15/1933 19 47270 FOLDER 058 A70314 41711929075123 REQUESTING A TECHNICAL EVALUATION OF A PROPOSED CRYPTOGRAPHIC SYSTEM BY AN EMPLOYEE OF VARIAN ASSOCIATES 3/21/1955 7 47270 FOLDER 102 A70315 41709409074875 WAR DEPARTMENT BOOK: "ANALYSIS OF A MECHANICO-ELECTRICAL CRYPTOGRAPH", PART II 1/1/1935 68 47270 FOLDER 099 A70322 41709509074883 CODING DEVICE: KEYBOARD AND COMPONENTS, M-325 8/1/1935 18 47270 FOLDER 058 A70324 41711949075125 TALK GIVEN AT IRE CONVENTION WITH ENCLOSURE TITLED, "THE SCIENTIFIC ENTERPRISER" 4/8/1955 5 47270 FOLDER 058 A70325 41711959075126 LETTER OF APPRECIATION TO THE NATIONAL SECURITY AGENCY FOR THEIR EFFORT AND RESULTS IN CONTRIBUTING TO SOLVE THE KOREAN INTELLIGENCE PROBLEM 8/6/1953 1 47270 FOLDER 098 A70340 41709549074888 FRIEDMAN CORRESPONDENCE TO THE DEPARTMENT OF COMMERCE REGARDING HIS PATENT APPLICATION FOR THE M-325 5/4/1949 87 47270 FOLDER 096 A70383 41709619074892 PATENT PUBLICATIONS: COUNTING/CALCULATING DEVICE; EDUCATIONAL DEVICE 10/23/1934 8 47270 FOLDER 096 A70385 41709639074895 IMPROVEMENTS IN DEVICES FOR CYPHERING AND DECYPHERING MESSAGES AND THE LIKE; FRENCHMAN, GEORGES LUGAGNE, APPLIES FOR BRITISH PATENT OF HIS INVENTION 4/9/1914 4 47270 FOLDER 096 A70407 41709679074897 PATENT NO. 1,311,457 CIPHER APPARATUS BY LUIGI NICOLETTI OF ROME ITALY 7/29/1919 6 47270 FOLDER 096 A70410 41709699074901 PATENT NO. 1,956,384 POCKET CRYPTOGRAPHIC APPARATUS BY ALBERT GENTET, PARIS, FRANCE 4/24/1934 3 47270 FOLDER 096 A70411 41709729074904 PATENT NO. 1,667,780 APPARATUS FOR CODING & DECODING MESSAGES BY JOSEPH GRASSI OF LONDON, ENGLAND 5/1/1928 7 47270 FOLDER 096 A70431 41709759074907 PATENT NO. 1,826,034 DEVICE FOR TEACHING ARITHMETIC BY R M WILLIAMSON 10/6/1931 4 47270 FOLDER 096 A70433 41709789074910 PATENT NO. 2,395,863 CRYPTOGRAPHIC DEVICE BY W F FRIEDMAN 3/5/1946 7 47270 FOLDER 096 A70438 41709809074912 PATENTS 1,471,437 (OCT 23, 1923) AND 832,871(OCT 9, 1906) 10/23/1923 6 47270 FOLDER 095 A70444 41709849074916 MEMO ON DOD DIRECTIVE 2000.3 AND PATENT INFRINGEMENT 12/9/1955 1 47270 FOLDER 095 A70446 41709889074920 PRIVATE LAW 625 - 84TH CONGRESS, CHAPTER 264 - 2D SESSION, H R 2068 AN ACT FOR THE RELIEF OF WILLIAM F FRIEDMAN 5/10/1956 1 47270 FOLDER 095 A70448 41709909074922 NOTE ABOUT CORRESPONDENCE PERTAINING TO FRIEDMAN BILL 8/16/1963 1 47270 FOLDER 095 A70449 41709929074924 H.R. 5728 "FOR THE RELIEF OF WILLIAM F. FRIEDMAN" 12/18/1952 1 47270 FOLDER 095 A70450 41709959074926 H.R. 5728 "FOR THE RELIEF OF WILLIAM F. FRIEDMAN" (1ST ENDORSEMENT) 1/8/1953 3 47270 FOLDER 095 A70451 41709999074930 H.R. 1152, 83RD CONGRESS, 1ST SESSION, A BILL "FOR THE RELIEF OF WILLIAM F. FRIEDMAN" 2/25/1953 1 47270 FOLDER 095 A70452 41710019074933 H.R. 1152, 83RD CONGRESS, 1ST SESSION, A BILL "FOR THE RELIEF OF WILLIAM F. FRIEDMAN" (1ST ENDORSEMENT), 6 MAR. 1953 3/6/1953 1 47270 FOLDER 095 A70453 41710039074935 PATENT INFRINGEMENT: TANKS AND ASSEMBLIES 3/24/1949 6 47270 FOLDER 095 A70454 41710079074939 REQUEST FOR JOB DESCRIPTIONS 8/28/1951 1 47270 FOLDER 095 A70455 41710099074941 PROPOSED BILL FOR THE RELIEF OF MR WILLIAM F FRIEDMAN AND POTENTIAL CLAIM - CRYPTOGRAPHIC INVENTIONS 8/29/1951 1 47270 FOLDER 095 A70456 41710119074943 PROPOSED RELIEF BILL FOR CRYPTOLOGIC INVENTIONS: FRIEDMAN; LEGAL CORRESPONDENCE 8/31/1951 4 47270 FOLDER 095 A70463 41710259074956 COMPENSATION RECOMMENDATIONS FOR PERSONNEL OF SIGNAL INTELLIGENCE SECTION 5/15/1930 8 47270 FOLDER 095 A70656 41710289074960 H.R. 5728 & S. 2283 FRIEDMAN RELIEF BILLS 12/20/1951 3 47270 FOLDER 095 A70726 41710319074963 FRIEDMAN RELIEF BILLS -- 1ST ENDORSEMENT WITH RECORD OF CIVILIAN SERVICE, THREE ENCLOSURES, AND HANDWRITTEN NOTES 2/29/1952 18 47270 FOLDER 095 A70729 41710359074967 PENDING FRIEDMAN BILLS -- MACHINES & DEVICES COVERED 2/21/1952 2 47270 FOLDER 095 A70736 41710389074970 FRIEDMAN INVENTIONS -- JAG (ARMY) CONFERENCE (MEMO SLIP) 6/15/1950 3 47270 FOLDER 095 A70740 41710439074975 CRYPTOGRAPHIC DEVICES: POLICY RESCINDMENT 7/7/1950 1 47270 FOLDER 095 A70741 41710479074978 LEGAL LETTER TO SECRETARY OF DEFENSE 3/10/1950 2 47270 FOLDER 095 A70742 41710509074981 SECRETARY OF DEFENSE REPLY TO LEGAL LETTER--FRIEDMAN 3/15/1950 1 47270 FOLDER 095 A70743 41710539074986 JAG LETTER TO LEGAL COUNSEL -- GOVERNMENT REPRESENTATIVE TO BUYING FRIEDMAN INVENTION RIGHTS 4/6/1950 2 47270 FOLDER 095 A70745 41710589074990 FRIEDMAN MEMO TO DIRAFSA -- SUBMITTING PRIVATE BILL TO CONGRESS 8/25/1950 2 47270 FOLDER 095 A70749 41710609074993 JAG (ARMY LETTER TO DIRAFSA -- PROPOSED FRIEDMAN RELIEF BILL 7/5/1961 4 47270 FOLDER 095 A70753 41710649074995 AFSA OR&D LETTER TO U.S. HOUSE OF REPRESENTATIVES -- PROPOSED H.R. 5276 BILL COPIES 7/25/1961 1 47270 FOLDER 095 A70757 41710679074998 GRESHAM & DRISCOLL RELIEF BILL (S. 1453) -- CLAIMS COMMITTEE RECOMMENDATIONS 6/24/1937 4 47270 FOLDER 095 A70759 41708929074824 GRESHAM BILL (S. 1453) -- RECOMMENDATIONS BY COMMITTEE ON NAVAL AFFAIRS 5/10/1937 2 47270 FOLDER 095 A70763 41710709075001 CAPT. RUSSELL WILSON, USN, RELIEF BILL (H.R. 5564) -- RECOMMENDATIONS OF COMMITTEE ON NAVAL AFFAIRS 6/13/1935 3 47270 FOLDER 095 A70766 41710729075003 CAPT. RUSSELL WILSON, USN, PROPOSED RELIEF BILL (H.R. 5564) -- SECOND COMMITTEE ON NAVAL AFFAIRS RECOMMENDATION 3/4/1935 2 47270 FOLDER 095 A70771 41710749075005 ASA TECHNICAL POSITION PAPER (DCR-1) WITH MEMO SLIP AND HANDWRITTEN NOTE 3/16/1950 3 47270 FOLDER 095 A70772 41710779075009 FRIEDMAN'S COMMUNICATIONS RESEARCH EMPLOYMENT RECORD, RECORD OF SERVICE, FINANCIAL HISTORY & HANDWRITTEN NOTES 12/29/1950 8 47270 FOLDER 489 A70791 41717789075709 FILES AND STUDIES CONDUCTED BY INFORMATION AND LIAISON BRANCH, MARCH 1945 3/31/1945 33

UNCLASSIFIED 140 UNCLASSIFIED

47270 FOLDER 489 A70793 41717839075712 LANGUAGE BRANCH - COMPARABLE CIVIL SERVICE RATINGS FOR JOBS PERFORMED BY OFFICERS AND ENLISTED MEN, 1 JANUARY 1945 1/1/1945 1 47270 FOLDER 489 A70795 41717859075715 DIAGRAM AND NOTES RE STANDARDIZATION OF WEEKLY REPORTS, 1 JANUARY 1945 1/1/1945 4 47270 FOLDER 489 A70797 41717889075717 CENTRAL SURVEY NOTES, 1 JANUARY 1945 1/1/1945 1 47270 FOLDER 489 A70799 41717909075720 MATERIAL REQUIRED AS PRELIMINARY TO SURVEY, 9 JUNE 1945 6/9/1945 5 47270 FOLDER 489 A70802 41717939075723 DATA SUBMITTED FOR CONTROL OFFICE SURVEY, 24 MAY 1945 5/24/1945 14 47270 FOLDER 489 A70805 41717969075726 ENLISTED GRADES, LANGUAGE BRANCH, 9 MARCH 1945 3/9/1945 2 47270 FOLDER 095 A70811 41710809075012 4TH DISTRICT COURT OF APPEALS DECISION ON PATENTS: KOBER VS U.S. (NO. 5786) 11/8/1948 7 47270 FOLDER 489 A70813 41717999075729 BASIC INFORMATION ON SEPARATION FOR ANSWER TO 2ND ENDORSEMENT RE PERSONNEL SEPARATION ANALYSIS, 2 APRIL 1945 4/2/1945 1 47270 FOLDER 489 A70815 41718029075732 THE FINDING OF DUPLICATE-TEXT MESSAGES BY B-2 AND B-4, 29 MARCH 1945 3/29/1945 3 47270 FOLDER 489 A70816 41718059075735 FUNCTIONS OF THE MILITARY ANALYSIS SECTION, SPSIB-4C, 8 MARCH 1945 3/8/1945 10 47270 FOLDER 489 A70818 41718089075738 UNSPECIFIED TALLY NUMBERS, 1 JANUARY 1945 1/1/1945 1 47270 FOLDER 095 A70819 41710839075015 AFSA LEGAL LETTER TO FRIEDMAN RE CRYPTOGRAPHIC INVENTION #433,320 6/10/1946 1 47270 FOLDER 489 A70820 41718109075741 SUGGESTED CREATION OF OFFICE OF ADJUTANT, SIGNAL SECURITY AGENCY, 5 MARCH 1945 3/5/1945 6 47270 FOLDER 489 A70822 41718139075744 CONTROL ANALYSIS - CIVILIAN TRAINING SCHOOL, TRAINING BRANCH, SPSIS-4B6, 3 MARCH 1945 3/3/1945 10 47270 FOLDER 489 A70824 41718179075747 CONTROL ANALYSIS - CIVILIAN TRAINING SCHOOL, 7 MARCH 1945 3/7/1945 5 47270 FOLDER 489 A70825 41718199075749 LETTER OF THANKS TO MISSION DRY CORPORATION FOR UNSPECIFIED INFORMATION, 24 FEBRUARY 1945 2/24/1945 1 47270 FOLDER 095 A70827 41710889075020 FRIEDMAN'S ASSIGNMENT/ACCEPTANCE OF POSITION IN OFFICE OF CHIEF SIGNAL OFFICER 4/25/1936 2 47270 FOLDER 489 A70828 41718229075751 TRANSMITTAL OF REQUESTED INFORMATION FROM MISSION DRY CORPORATION, 13 FEBRUARY 1945 2/13/1945 1 47270 FOLDER 489 A70829 41718249075754 BUS TRANSFERS AND WEEKLY PASSES, 24 FEBRUARY 1945 2/24/1945 4 47270 FOLDER 489 A70832 41718269075756 OFFICIAL PUBLICATIONS OF SIGNAL SECURITY AGENCY, ARLINGTON HALL STATION, AND SECOND SIGNAL SERVICE BATTALION, 22 FEBRUARY 1945 2/22/1945 6 47270 FOLDER 489 A70833 41718299075761 CONTROL ANALYSIS - RECRUITMENT AND PLACEMENT SECTION, PERSONNEL BRANCH, SPSIS-4A, 19 FEBRUARY 1945 2/19/1945 28 47270 FOLDER 489 A70834 41718349075764 A SUMMARY OF MEETING RE D BRANCH ACTIVITIES 26 DECEMBER 1944 12/26/1944 2 47270 FOLDER 489 A70835 41718369075766 CONTROL ANALYSIS - TRAINING BRANCH, SPSIS-4B, 13 FEBRUARY 1945 2/13/1945 10 47270 FOLDER 095 A70836 41710919075022 POLICY RECISSION ON RELEASE OF CRYPTOLOGIC PRINCIPLES: ASA 1ST ENDORSEMENT & G-2 ENDORSEMENT 10/27/1950 2 47270 FOLDER 489 A70837 41718409075773 WORK SIMPLIFICATION, SPSID-4, 16 FEBRUARY 1945 2/16/1945 14 47270 FOLDER 489 A70838 41718459075775 PROCEDURES FOR PHOTOGRAPHIC REPRODUCTION OF MATERIAL, 5 JANUARY 1945 1/5/1945 4 47270 FOLDER 095 A70840 41710959075025 MEMOS BETWEEN AFSA & ASA ON RELEASE OF CRYPTOGRAPHIC PRINCIPLES 10/12/1950 3 47270 FOLDER 489 A70841 41718499075779 CONTROL ANALYSIS, TRAFFIC EXCHANGE UNIT, COMMUNICATIONS BRANCH, SPSIE-2-C, 13 FEBRUARY 1945 2/13/1945 3 47270 FOLDER 095 A70843 41710979075030 G-2 POLICY ON RELEASE OF CRYPTOGRAPHIC PRINCIPLES: 1ST/2ND ENDORSEMENTS, FRIEDMAN LETTER, MEMO ROUTING SLIP 10/9/1950 4 47270 FOLDER 489 A70844 41718529075782 CONTROL ANALYSIS, TRAINING BRANCH, 27 FEBRUARY 1945 2/27/1945 1 47270 FOLDER 489 A70845 41718549075784 RECOMMENDATIONS OF THE CONTROL OFFICE, 13 FEBRUARY 1945 2/13/1945 9 47270 FOLDER 095 A70846 41711029075034 COPIED FROM FEDERAL REGISTER: ARMED SERVICES PATENT POLICY REVIEW BOARD 11/16/1951 2 47270 FOLDER 489 A70847 41718589075788 CLARIFICATION OF REQUEST FOR PERSONNEL TURNOVER INFORMATION, 8 FEBRUARY 1945 2/8/1945 1 47270 FOLDER 489 A70849 41718609075790 REQUEST FOR CLARIFICATION OF REQUESTED INFORMATION, 6 FEBRUARY 1945 2/6/1945 1 47270 FOLDER 489 A70850 41718709075800 COMMENTS BY THE CONTROL OFFICE REGARDING NONCONCURRENCE OF PERSONNEL BRANCH, 8 FEBRUARY 1945 2/8/1945 4 47270 FOLDER 489 A70852 41718729075802 CONTROL ANALYSIS - TELETYPE UNIT, COMMUNICATIONS BRANCH (SPSIE-2-C), 7 FEBRUARY 1945 2/7/1945 4 47270 FOLDER 489 A70856 41718749075804 REQUEST FOR PERSONNEL INFORMATION FROM PRIVATE INDUSTRY, 31 JANUARY 1945 1/31/1945 3 47270 FOLDER 489 A70857 41718779075806 REQUEST FOR PRIVATE INDUSTRY PERSONNEL INFORMATION, 5 FEBRUARY 1945 2/5/1945 4 47270 FOLDER 489 A70859 41718789075808 PERSONNEL PROBLEMS, 29 JANUARY 1945 1/29/1945 4 47270 FOLDER 489 A70860 41718799075809 COMPARISON OF PRIVATE INDUSTRY PERSONNEL FIGURES WITH WAR DEPARTMENT FIGURES, 27 JANUARY 1945 1/27/1945 1 47270 FOLDER 489 A70861 41718809075810 OFFICIAL PUBLICATIONS, 22 NOVEMBER 1944 11/22/1944 9 47270 FOLDER 489 A70867 41718829075814 EXAMPLES OF WORK FLOW SHEETS, FORMS AND DIAGRAMS USED IN OPERATIONS, 1 JANUARY 1945 1/1/1945 74 47270 FOLDER 488 A70871 41718889075819 GENERAL CRYPTANALYTIC PROBLEM RECOMMENDATIONS RESULTING FROM A CONTROL OFFICE SURVEY OF OPERATIONS, 31 AUGUST 1945 8/31/1945 102 47270 FOLDER 095 A70872 41711079075038 LAW OFFICE LETTER EXCHANGES WITH FRIEDMAN, JAG PATENTS DIVISION & OFFICE OF SECRETARY OF DEFENSE 5/3/1950 6 47270 FOLDER 488 A70875 41718969075826 JAPANESE ARMY PROBLEM; RECOMMENDATIONS RESULTING FROM A CONTROL SURVEY COMMITTEE STUDY OF OPERATIONS 6/12/1945 4 47270 FOLDER 488 A70876 41718989075828 NON-CONCURRENCE OF APPOINTMENT OF A COORDINATOR OF THE JAPANESE ARMY PROBLEM, 27 JUNE 1945 6/27/1945 5 47270 FOLDER 095 A70877 41711119075041 OFFICE MEMO TO ASA FROM INTELLIGENCE DIRECTOR RE FRIEDMAN 10/26/1949 1 47270 FOLDER 488 A70878 41719029075835 RESULTS OF A CONTROL OFFICER SURVEY OF THE JAPANESE ARMY PROBLEM OPERATION AT SSA, 26 JUNE 1945 6/26/1945 83 47270 FOLDER 487 A70882 41719109075840 CROSS INDEX SHEET , 5 JULY 1950 7/5/1950 1 47270 FOLDER 487 A70885 41719139075843 USCIB C.I. COMMUNICATIONS COMMITTEE MEETING, 13 JULY 1949, 20 JULY 1949; MEMORANDUM FOR SECRETARIAT 7/20/1949 4

UNCLASSIFIED 141 UNCLASSIFIED

47270 FOLDER 487 A70887 41719189075848 USCIB C. I. COMMUNICATIONS COMMITTEE MEETING OF 28 FEBRUARY 1949; MEMORANDUM FOR THE SECRETARIAT 3/7/1949 4 47270 FOLDER 486 A70894 41719229075853 JOINT MILITARY CHARACTERISTICS FOR AN INTEGRATED AIR NAVIGATION AND TRAFFIC CONTROL SYSTEM WITHIN THE CONTROL ZONE; REPORT BY THE JOINT AIDS TO NAVIGATION PANEL2/7/1950 16 47270 FOLDER 486 A70896 41719269075856 MODIFICATION OF WEATHER TELETYPE KEY BOARD, 25 JANUARY 1950 1/25/1950 3 47270 FOLDER 095 A70901 41711359075066 REQUEST TO RELEASE PATENTED CRYPTOGRAPHIC EQUIPMENT TO BRITISH: LETTER TO ASA BY INVENTORS FRIEDMAN AND ROWLETT 9/20/1949 6 47270 FOLDER 485 A70905 41719279075857 STORAGE SPACE FOR SIGSALY, 28 SEPTEMBER 1949 9/28/1949 1 47270 FOLDER 485 A70906 41719319075861 ACCOUNTING PROCEDURE FOR PACKAGED CRYPTOGRAPHIC MACHINES 9/12/1949 2 47270 FOLDER 485 A70908 41719339075863 INUNDATION OF CRYPTOGRAPHIC STORAGE ROOM 7/14/1949 1 47270 FOLDER 485 A70909 41719369075866 PACKAGING OF SIGIVI 6/16/1949 1 47270 FOLDER 485 A70911 41719389075868 PACKAGING OF ASAM 2-1 FOR LONG TERM STORAGE 5/16/1949 2 47270 FOLDER 485 A70912 41719399075869 HYDROGEN PERMEABILITY OF SHEET MATERIALS; CROSS-INDEX SHEET 3/30/1949 1 47270 FOLDER 485 A70914 41719419075871 PACKAGING OF FORTY SIGRODS FOR LONG TERM STORAGE 3/16/1949 1 47270 FOLDER 485 A70915 41719429075872 CONSIDERATIONS FOR PACKAGING OF NEW EQUIPMENT 12/30/1948 2 47270 FOLDER 485 A70916 41719449075874 DETERMINING REQUIREMENTS OF EXCESS EQUIPMENT, 22 SEPTEMBER 1948; EXCESS TG-30 9/22/1948 1 47270 FOLDER 485 A70917 41719459075875 STORAGE AND PRESERVATION CRYPTOGRAPHIC MATERIAL, 14 SEPTEMBER 1948; WAR RESERVE STOCKS 9/14/1948 6 47270 FOLDER 485 A70918 41719479075877 WAR RESERVE STOCKS, 26 MAY 1948; COMPLETED PROJECT SUMMARY 5/26/1948 1 47270 FOLDER 485 A70928 41719499075879 WEATHER CRYPTOGRAPHIC EQUIPMENT, 20 APRIL 1948; STORAGE AND PRESERVATION OF CRYPTOGRAPHIC MATERIAL 4/20/1948 1 47270 FOLDER 485 A70930 41719519075881 AIR FORCE REVIEW OF CRYPTOGRAPHIC REQUIREMENTS FOR HANDLING WEATHER CRYPTOGRAPHIC EQUIPMENT, 20 APRIL 1948 4/20/1948 6 47270 FOLDER 485 A70932 41719549075885 WITHDRAWAL OF FUNDS FOR PROJECT 310, 12 FEBRUARY 1948; BUDGET ESTIMATE AND REQUIREMENTS 2/12/1948 1 47270 FOLDER 485 A70938 41719569075886 QUANTITY OF SIGROD TO BE PREPARED FOR LONG TERM STORAGE, 30 JANUARY 1948 1/30/1948 1 47270 FOLDER 485 A70939 41719599075889 STORING OF CRYPTOGRAPHIC DEVICES AND MATERIALS, 15 DECEMBER 1947 12/15/1947 3 47270 FOLDER 095 A70941 41711379075068 FRIEDMAN'S CRYPTOGRAPHIC INVENTIONS: CONGRESSIONAL COMPENSATION, PERSONAL RIGHTS & RELEASABILITY 8/25/1950 6 47270 FOLDER 485 A70942 41719619075892 ACCOUNTING PROCEDURE FOR PACKAGED CRYPTOGRAPHIC MACHINES, 11 SEPTEMBER 1947 9/11/1947 7 47270 FOLDER 485 A70944 41719659075895 ACCOUNTING PROCEDURE FOR PACKAGED CRYPTO MACHINES, 8 AUGUST 1947; STORAGE AND PRESERVATION OF CRYPTO MATERIAL 8/8/1947 1 47270 FOLDER 485 A70946 41719679075897 ACCOUNTING PROCEDURE FOR PACKAGED CRYPTOGRAPHIC MACHINES, 10 OCTOBER 1947 10/10/1947 8 47270 FOLDER 485 A70948 41719709075900 CRYPTOGRAPHIC PACKAGING, 13 JUNE 1947 6/13/1947 5 47270 FOLDER 485 A70953 41719739075903 UNSPECIFIED RECOMMENDATIONS W/FIGURES, 1 JANUARY 1947 1/1/1947 1 47270 FOLDER 095 A70954 41711399075070 PATENT OF GERMAN CIPHERMACHINE (ENGLISH AND GERMAN VERSIONS) & RELATED INFORMAL MEMOS 8/6/1953 27 47270 FOLDER 485 A70955 41719769075906 REQUEST FOR STORAGE OF VARIOUS GAUGES AND GEARS, 24 FEBRUARY 1947 2/24/1947 1 47270 FOLDER 485 A70957 41719819075911 ESTIMATED COST OF ITEMS ON PROJECT #61, 19 FEBRUARY 1947 2/19/1947 1 47270 FOLDER 485 A70958 41719849075913 STORAGE SPACE, 12 FEBRUARY 1947 2/12/1947 1 47270 FOLDER 485 A70959 41719879075916 PACKING MATERIAL FOR CUSHIONING METAL BARRIERS AS RELATES TO PROJECT FOR STORING AND PACKING CRYPTOGRAPHIC MACHINES, 3 FEBRUARY 1947 2/3/1947 1 47270 FOLDER 485 A70961 41719889075917 STORAGE OF TELETYPE EQUIPMENT, 1 JANUARY 1947 1/1/1947 1 47270 FOLDER 485 A70964 41719909075919 STORAGE OF CLASSIFIED COMMUNICATIONS EQUIPMENT, 13 NOVEMBER 1946 11/13/1946 2 47270 FOLDER 485 A70965 41719929075921 REQUEST FOR BUILDING T-602, 12 SEPTEMBER 1946 9/12/1946 1 47270 FOLDER 485 A70978 41719949075923 REQUEST FOR STORAGE SPACE, 27 AUGUST 1946 8/27/1946 1 47270 FOLDER 485 A70980 41719969075925 STORAGE OF ROTORS, 2 AUGUST 1946 8/2/1946 1 47270 FOLDER 485 A70982 41719999075928 PREPARATION OF CIPHER MACHINES FOR EXTENDED STORAGE, 4 DECEMBER 1945; ASA MEMORANDUM 12/4/1945 3 47270 FOLDER 485 A70983 41720009075929 STORAGE SPACE FOR SIGSALY TERMINAL EQUIPMENT, 26 SEPTEMBER 1945 9/26/1945 2 47270 FOLDER 485 A70984 41720029075931 WAR RESERVE EQUIPMENT, 29 MAY 1945 5/29/1945 2 47270 FOLDER 485 A70985 41720039075932 WAR RESERVE EQUIPMENT, 23 MAY 1945 5/23/1945 1 47270 FOLDER 095 A70989 41711409075071 LEGAL MEMORANDUM CONCERNING FRIEDMAN RELIEF BILL WITH THREE EXAMPLES OF U.S. NAVY PRECEDENCE 8/21/1950 28 47270 FOLDER 485 A70992 41720059075934 STORAGE OF PACKAGES, 1 JANUARY 1944 1/1/1944 2 47270 FOLDER 484 A70995 41720079075936 FINAL REPORT OF G-2-D, G.H.Q., A.E.F., MAY 1 1919 5/1/1919 4 47270 FOLDER 484 A70997 41720089075937 LETTER FROM BELL TELEPHONE LABORATORIES TO COLONEL CORDERMAN RE TYPE II CIPHONY DEVELOPMENT, 16 JUNE 1944 6/16/1944 1 47270 FOLDER 484 A71001 41720099075938 PROJECT - AN/GXA-2( ) - CIFAX, 7 JULY 1944; CIPHER FACSIMILE SYSTEM - CONTRACT NO. W44-114-SC-34 7/7/1944 1 47270 FOLDER 094 A71007 41711429075072 EMPTY CLASSIFIED ENVELOPE FROM G-2 ASST CHIEF OF STAFF (ARMY) TO FRIEDMAN WITH NOTATIONS PLUS BUDGETARY NOTES 3/11/1954 2 47270 FOLDER 484 A71010 41720109075939 SIGNAL CORPS PROJECT NO. 4600; F BRANCH PROJ. NO. C-2012 - AN/GSQ-1 (SIGJIP) SYNCHRONIZATION - (CIPHONY), 27 DECEMBER 1944; PROBLEM OF PULSE SYNCHRONIZATION OF12/27/1944 SPEECH EQUIPMENT 1 47270 FOLDER 484 A71012 41720119075940 TELETYPEWRITER ADAPTER TO AN/GSQ-2,3, 22 DECEMBER 1944 12/22/1944 3 47270 FOLDER 484 A71015 41720129075941 PUBLICATION R-5, 5 DECEMBER 1945 12/5/1945 6 47270 FOLDER 484 A71020 41720139075942 PATENT INFORMATION ON ASAM-1 AND ASAM-2, 15 APRIL 1948 4/15/1948 2

UNCLASSIFIED 142 UNCLASSIFIED

47270 FOLDER 484 A71023 41720149075943 HAND DRAWN DIAGRAMS OF TWO JAPANESE CRYPTO MACHINES - RANSJSAKUSEI KI AND ANGO KI KAI, RANDOM NUMBER GENERATING MACHINE AND CIPHER MACHINE, RESPECTIVELY1/1/1946 3 47270 FOLDER 484 A71025 41720169075945 PROPOSED SYSTEM FOR GUARANTEEING A MINIMUM CYCLE OF GREAT LENGTH IN ANY IRREGULAR MOTION ROTOR SYSTEM, 1 JANUARY 1946 1/1/1946 2 47270 FOLDER 483 A71028 41720199075948 EXPERIMENTAL ASSEMBLY OF SIGABA WITH PAGE PRINTER, 17 NOVEMBER 1943 11/17/1943 5 47270 FOLDER 483 A71032 41720229075951 USE OF SIGABA IN CONJUNCTION WITH STANDARD IBM CODATYPE UNITS, 18 MARCH 1943 3/18/1943 3 47270 FOLDER 483 A71033 41720259075954 DISCUSSIONS RE APPLICATION OF IBM CODATYPE EQUIPMENT TO THE SIGABA, 10 MARCH 1943 3/10/1943 2 47270 FOLDER 483 A71036 41720289075957 RECEIPTS FOR CRYPTOGRAPHIC EQUIPMENT, 1 JANUARY 1943 1/1/1943 2 47270 FOLDER 482 A71041 41720319075960 FORMAL STATEMENTS RE CRYPTOGRAPHIC SECURITY ON PROJECT X61753/SIGSALY, 17 OCTOBER 1947 10/17/1947 2 47270 FOLDER 482 A71046 41720369075965 SIGSALY CONFERENCE, 9 AUGUST 1944 8/9/1944 2 47270 FOLDER 482 A71048 41720389075967 SECURITY CLASSIFICATION OF SIGSALY, 2 AUGUST 1944 8/2/1944 3 47270 FOLDER 482 A71049 41720419075970 SUGGESTIONS FOR DISPOSING OF X-SYSTEM EQUIPMENT 2/25/1948 1 47270 FOLDER 482 A71053 41720449075973 REQUEST FOR TECHNICAL HELP FROM BELL TELEPHONE LAB RE STORAGE OF CRYPTOGRAPHIC EQUIPMENTS, 12 DECEMBER 1947 12/12/1947 2 47270 FOLDER 482 A71054 41720479075976 SECURITY CLASSIFICATION OF SIGSALY, 2 AUGUST 1944 8/2/1944 8 47270 FOLDER 481 A71084 41720509075979 SUMMARY OF ACTIVITIES OF "A" BRANCH FOR 18 JANUARY - 31 JANUARY 1945 INCLUSIVE 2/2/1945 3 47270 FOLDER 481 A71085 41720539075983 SUMMARY OF ACTIVITIES OF "A" BRANCH FOR 21 FEBRUARY - 26 FEBRUARY 1944 INCLUSIVE 2/28/1944 2 47270 FOLDER 480 A71086 41720569075985 ANNUAL REPORT FROM NINTH DETACHMENT WILL BE FORWARDED DIRECT FROM THAT UNIT, NOT THROUGH ASAPAC 7/5/1949 1 47270 FOLDER 480 A71087 41720599075988 SCEL PERSONNEL AND WORK LOAN STATISTICS REPORT 4/12/1949 1 47270 FOLDER 480 A71088 41720629075991 REPORT OF TEMPORARY DUTY AT HERZO BASE, GERMANY, 7 APRIL 1949 4/7/1949 1 47270 FOLDER 480 A71089 41720659075994 REPORT OF GENERAL OBSERVATIONS ON COPIABILITY OF VARIOUS TARGETS, 13 SEPTEMBER 1948 9/13/1948 8 47270 FOLDER 480 A71090 41720709075999 TDY TRIP REPORT ASA EUROPE, 25 OCTOBER 1948 10/25/1948 8 47270 FOLDER 480 A71091 41720759076004 MOBILE RECONNAISSANCE US ZONE AUSTRIA, 15 JUNE 1948 6/15/1948 3 47270 FOLDER 480 A71093 41720789076006 SEMI-MONTHLY REPORT OF DIRECTOR OF TRAINING, 16 AUGUST 1944 8/16/1944 2 47270 FOLDER 480 A71094 41720819076009 SEMI-MONTHLY BRANCH ACTIVITY REPORTS, 27 NOVEMBER 1946 11/27/1946 4 47270 FOLDER 480 A71096 41720839076011 RECURRING REPORTS 1/2/1946 2 47270 FOLDER 480 A71097 41720859076013 COMMENTS ON RADIO COMMUNICATIONS IN SICILIAN CAMPAIGN 9/11/1943 1 47270 FOLDER 479 A71098 41720869076014 ACME COMMODITY AND PHRASE CODE AUTHORIZED FOR USE IN TELEGRAPHIC COMMUNICATIONS BETWEEN GERMANY AND FOREIGN COUNTRIES, 27 SEPTEMBER 1947 9/27/1947 2 47270 FOLDER 479 A71099 41720879076015 TELEGRAM CHECKING MACHINE FOR PLAIN AS WELL AS CODE, 30 OCTOBER 1947 10/30/1947 2 47270 FOLDER 478 A71100 41720899076017 APPROVED METHOD OF OPERATION FOR THE JOINT INTERCEPT CONTROL GROUP (JICG), 7 JUNE 1946 6/7/1946 7 47270 FOLDER 477 A71101 41720949076022 STUDIES INVOLVING MULTIPLE STEPPING, 22 APRIL 1947 4/22/1947 7 47270 FOLDER 476 A71102 41720969076024 U.S. PATENT NOS. 2,405,570 AND 2,401,507, 24 SEPTEMBER 1947 9/24/1947 6 47270 FOLDER 476 A71103 41720979076025 PROPOSED APPLICATION FOR PATENT OF THEODORE X. PRAYSLECKI FOR ORIENTATION DEVICE (CASE #4), 1 APRIL 1948 4/1/1948 2 47270 FOLDER 475 A71104 41721019076029 PURCHASE OF MANUSCRIPTS OF COLONEL FIGL, 18 APRIL 1949 4/18/1949 2 47270 FOLDER 474 A71105 41721059076033 CONCURRENCE ON MILITARY CHARACTERISTICS FOR ASAY'S 4,5 AND 9, 21 OCTOBER 1949 10/21/1949 1 47270 FOLDER 474 A71106 41721079076035 SUBCOMMITTEES OF THE ARMY SECURITY AGENCY TECHNICAL COMMITTEE, 1 MARCH 1949 3/1/1949 2 47270 FOLDER 473 A71107 41721099076037 SUBSTITUTION OF MOS 801 FOR MOS 239 IN ZI COMMANDS 9/26/1949 3 47270 FOLDER 473 A71108 41721119076039 CRYPTOGRAPHIC EQUIPMENT, 28 OCTOBER 1948 10/28/1948 1 47270 FOLDER 473 A71109 41721129076040 CRYPTOGRAPHIC EQUIPMENT; SIGABA AND SYSTEM 1503, 28 OCTOBER 1948 10/28/1948 2 47270 FOLDER 473 A71110 41721149076042 CATALOG OF CRYPTO-EQUIPMENTS, 17 DECEMBER 1948 12/17/1948 1 47270 FOLDER 473 A71111 41721169076044 MILITARY CHARACTERISTICS FOR CRYPTOGRAPHIC EQUIPMENT FOR STAFF COMMUNICATIONS, 2 NOVEMBER 1948 11/2/1948 4 47270 FOLDER 473 A71112 41721189076046 DEVELOPMENT OF CRYPTO-EQUIPMENTS, 16 AUGUST 1948 8/16/1948 4 47270 FOLDER 473 A71113 41721209076048 PROPOSED DIRECTIVE CONCERNING DESTRUCTION OF CRYPTO-EQUIPMENT 5/5/1948 7 47270 FOLDER 473 A71114 41721489076075 MAINTENANCE OF CRYPTOGRAPHIC EQUIPMENT BY DEPARTMENT OF STATE PERSONNEL, 29 APRIL 1948 4/29/1948 2 47270 FOLDER 473 A71115 41721509076077 RESPONSIBILITY IN CONNECTION WITH CRYPTO-EQUIPMENTS, 19 MARCH 1948 3/19/1948 3 47270 FOLDER 473 A71116 41721529076079 DISPOSITION INSTRUCTIONS ON CRYPTOGRAPHIC MATERIAL, 11 FEBRUARY 1948 2/11/1948 2 47270 FOLDER 473 A71117 41721549076081 CROSS REFERENCE SHEET RE CRYPTOGRAPHIC FACILITIES, 28 JANUARY 1948 1/28/1948 1 47270 FOLDER 473 A71118 41721569076083 REPORT OF CONTACTS OUTSIDE OF SECURITY DIVISION, 24 NOVEMBER 1947 11/24/1947 3 47270 FOLDER 473 A71119 41721589076085 POWER SUPPLY FOR CRYPTOGRAPHIC INSTALLATIONS, 24 OCTOBER 1947 10/24/1947 2 47270 FOLDER 473 A71120 41721609076087 STANDARDIZATION OF MEANS OF INTERCONNECTION OF COMPONENT PARTS OF COMMUNICATION AND CRYPTOGRAPHIC EQUIPMENTS 10/24/1947 7 47270 FOLDER 473 A71121 41721619076088 EXTRACTS FROM RESEARCH AND DEVELOPMENT PROGRESS REPORT - JANUARY 1947 ADM SIGNAL ESTABLISHMENT, 1 JANUARY 1947 1/1/1947 7 47270 FOLDER 472 A71122 41721639076090 SECURITY RELEASE OF LECTURE ON C.I., 30 JANUARY 1951 1/30/1951 3 47270 FOLDER 472 A71124 41721669076093 OUTLINE OF COURSE ON SIGNAL INTELLIGENCE, 1 JANUARY 1946 1/1/1946 6

UNCLASSIFIED 143 UNCLASSIFIED

47270 FOLDER 472 A71128 41721689076095 LECTURE TO BE GIVEN IN STRATEGIC INTELLIGENCE SCHOOL 7/30/1946 8 47270 FOLDER 472 A71129 41721719076098 LECTURE, STRATEGIC INTELLIGENCE SCHOOL, COMMAND AND STAFF COLLEGE; SIGNAL INTELLIGENCE AND COMMUNICATIONS SECURITY 1/1/1946 10 47270 FOLDER 472 A71130 41721739076100 OUTLINE OF FRIEDMAN LECTURES AND PRESIDENTIAL DIRECTIVE RE COMINT, 28 AUGUST 1945 8/28/1945 4 47270 FOLDER 472 A71131 41721769076103 LECTURES I ⅈ MAGIC - WHAT IS IT?, 1 JANUARY 1948 1/1/1948 19 47270 FOLDER 472 A71132 41721789076105 LECTURE ON COMMUNICATIONS SECURITY AND SIGNAL INTELLIGENCE ACTIVITIES 7/22/1946 6 47270 FOLDER 472 A71133 41721809076107 SIGNAL INTELLIGENCE AND COMMUNICATIONS SECURITY; A SPECIAL COURSE OF LECTURES, 15 AUGUST 1946 8/15/1946 6 47270 FOLDER 472 A71134 41721829076109 EXTRACTS FROM FRIEDMAN LECTURE "INTELLIGENCE AVAILABLE IN WASHINGTON" "THE MAGIC", 13 AUGUST 1946 8/13/1946 9 47270 FOLDER 472 A71135 41721849076111 VARIOUS GRAPHS SHOWING UNSPECIFIED MESSAGE TOTALS, 1 JANUARY 1946 1/1/1946 3 47270 FOLDER 472 A71136 41721869076113 COPY OF A SPECIAL COURSE OF LECTURES ON SIGNAL INTELLIGENCE AND COMMUNICATIONS SECURITY, 11 FEBRUARY 1947 2/11/1947 1 47270 FOLDER 472 A71137 41721889076115 THE RELIABILITY AND SECURITY OF CIPHER MACHINES; THREE PAGES OF TEXT FROM AN UNSPECIFIED FRIEDMAN LECTURE ON COMINT, 1 JANUARY 1947 1/1/1947 3 47270 FOLDER 472 A71138 41721909076117 CONCERNING CAPTURE OF M-209 KEY LISTS BY GERMANS DURING WWII - TICOM 1/1/1947 5 47270 FOLDER 472 A71139 41721929076118 FUNCTIONS OF THE SECURITY DIVISION 1/1/1947 1 47270 FOLDER 472 A71140 41721959076120 PRESS EXTRACTS RE YAMAMOTO AIRCRAFT SHOOTDOWN, 6 AUGUST 1946 8/6/1946 2 47270 FOLDER 472 A71141 41721969076122 OUTLINE OF COURSE GIVEN IN EUROPEAN THEATER TO G-2 PERSONNEL OF 12TH A.G., FIRST, THIRD, NINTH AND FIFTEENTH ARMIES, 1 JANUARY 1946 1/1/1946 7 47270 FOLDER 472 A71142 41721989076125 OUTLINE OF UNSPECIFIED LECTURE COURSE, 1 JANUARY 1946 1/1/1946 5 47270 FOLDER 472 A71143 41721999076126 HANDWRITTEN NOTE RE STRATEGIC INTELLIGENCE AND ULTRA, 25 JULY 1946 7/25/1946 2 47270 FOLDER 065 A71144 41711979075128 BRANCH (WDGAS) REPORT BY PROJECTS; BUDGET BALANCES BY PROJECT NUMBER 7/1/1948 10 47270 FOLDER 065 A71145 41711989075129 AIR TRANSPORTABILITY 9/16/1947 2 47270 FOLDER 065 A71146 41712009075131 SUPPLEMENT TO FY 1948 RESEARCH AND DEVELOPMENT PROGRAMS; ORIGINAL AND COMMENTS 1,2,3 4/24/1947 3 47270 FOLDER 064 A71147 41712039075134 SELECTION OF A SITE FOR THE PROPOSED CRYPTOLOGIC ESTABLISHMENT OUTSIDE THE WASHINGTON AREA; AFSA LOCATIONS INDICATE FORT KNOX (KENTUCKY), BROOKS AFB(TEXAS),3/12/1951 LOCKBOURNE AFB (OHIO)17 47270 FOLDER 060 A71152 41712059075136 MESSAGES FROM AND TO BERLIN TO FOREIGN MINISTER, TOKYO; IN JAPANESE WITH TRANSLATION REGARDING USE OF CIPHER MACHINE (MATSU MARU) 1/4/1937 14 47270 FOLDER 059 A71156 41711679075098 HANDWRITTEN DD95 NOTES, SUBJECT: COMSEC TRAINING 9/21/1954 5 47270 FOLDER 058 A71159 41710009074932 LECTURE COURSE IN CRYPTANALYSIS: SHOWING OF SLIDES AND TALK BY MR. FRIEDMAN; TRANSMITTAL SHEET FOR SLIDES AND TALK 10/23/1944 2 47270 FOLDER 037 A71236 41710469074982 NSA FORM1295S, TRANSMITTAL/RECEIPTS FOR VARIOUS DOCUMENTS 12/8/1952 84 47270 FOLDER 037 A71238 42030229106905 MAIL LOGS, SEPT 1952 THRU DEC 1952 12/24/1952 291 47270 FOLDER 036 A71239 41710849075016 NSA FORM 1295, TRANSMITTALS/RECEIPT; NSASAB DOCUMENTS 8/23/1955 1 47270 FOLDER 036 A71240 42030079106889 MAIL LOGS; INCOMING/OUTGOING CORRESPONDENCE 10/26/1955 59 47270 FOLDER 035 A71242 42030029106884 MAIL LOGS; INCOMING/OUTGOING CORRESPONDENCE 12/30/1954 78 47270 FOLDER 034 A71244 41711179075048 COURIER SERVICE IN THE WASHINGTON AREA; NSA REGULATION NUMBER 102-1 10/7/1953 3 47270 FOLDER 034 A71245 41711199075050 AFSA-OOT FILE INDEX 1/1/1953 3 47270 FOLDER 034 A71246 41711239075054 NATIONAL SECURITY AGENCY IDENTIFICATION BADGE SYSTEM; NSA MEMORANDUM NUMBER 120-23 4/6/1953 18 47270 FOLDER 034 A71248 41711259075056 LIST OF COMMITTEE, BOARD, COUNCIL, ETC.; FRIEDMAN'S MEMBERSHIP THEREON 4/23/1952 1 47270 FOLDER 034 A71249 41711279075058 HANDWRITTEN DRAFT OF LIST OF COMMITTEES, COUNCILS, AND BOARDS 4/23/1952 1 47270 FOLDER 034 A71250 41711289075059 HANDWRITTEN DRAFT OF RESPONSIBILITIES AND REGULATIONS SOURCE 4/23/1952 1 47270 FOLDER 034 A71251 41711309075061 SYMBOLS AND TITLES OF AFSA ACTIVITIES 4/23/1952 15 47270 FOLDER 034 A71252 41711339075064 MAIL LOGS 1/13/1954 64 47270 FOLDER 485 A71264 41722029076129 PLANS FOR S-11 TRUCK TYPE OVEN DO NOT MEET AGENCY NEEDS, 20 JANUARY 1948 1/20/1948 2 47270 FOLDER 485 A71266 41722059076132 WAR RESERVE STOCKS OF CRYPTOGRAPHIC EQUIPMENT, 12 DECEMBER 1947 12/12/1947 9 47270 FOLDER 485 A71268 41722089076135 REQUIREMENTS FOR AN ELECTRICALLY HEATED DRYING OVEN, 5 NOVEMBER 1947 11/5/1947 12 47270 FOLDER 485 A71269 41722109076137 LABORATORY TESTS FOR MOISTURE CONTENT OF WOODEN BOXES, 25 MARCH 1947; NATIONAL BUREAU OF STANDARDS REPORT 3/25/1947 3 47270 FOLDER 485 A71272 41722129076139 STORAGE SPACE FOR CLASSIFIED AND/OR UNCLASSIFIED MATERIAL, 16 MAY 1945 5/16/1945 13 47270 FOLDER 484 A71329 41722149076141 SIGNAL CORPS PROJECT NO. 2513A; AN/GSQ-2,3 KEY GENERATOR EQUIPMENT (CIPHONY), 17 MARCH 1945 3/17/1945 5 47270 FOLDER 482 A71330 41722159076142 STORAGE AND DESTRUCTION OF SIGSALY AND ASSOCIATED EQUIPMENTS, 12 AUGUST 1948 8/12/1948 7 47270 FOLDER 482 A71331 41722179076144 STORAGE AND DESTRUCTION OF SIGSALY AND ASSOCIATED EQUIPMENT 8/23/1948 5 47270 FOLDER 473 A71332 41722189076145 SERVICE TESTS FOR VARIOUS CRYPTO-EQUIPMENTS, 11 JANUARY 1949 1/11/1949 9 47270 FOLDER 473 A71333 41722199076146 DISPOSITION OF CRYPTOGRAPHIC DEVICES, 13 JULY 1948 7/13/1948 2 47270 FOLDER 472 A71334 41722209076147 TEXT OF AN UNSPECIFIED LECTURE GIVEN BY FRIEDMAN ON HISTORY OF COMINT DURING WW II, 1 JANUARY 1946 1/1/1946 12 47270 FOLDER 472 A71335 41722219076148 EXAMPLE OF RUSSIAN AIR WARNING SERVICE CODE MESSAGE, 1 JANUARY 1946 1/1/1946 1 47270 FOLDER 355 A71733 41717499075680 OUTLINE OF BRITISH CRYPTOLOGIC ORGANIZATION; GCHQ ORGANIZATION, 1950-1952 3/19/1952 16 47270 FOLDER 355 A71734 41717529075682 SENIOR APPOINTMENTS AT GCHQ; GCHQ ORGANIZATION 3/25/1952 1

UNCLASSIFIED 144 UNCLASSIFIED

47270 FOLDER 355 A71736 41717549075684 BRITISH CRYPTOLOGIC RELATIONSHIPS; GCHQ ORGANIZATION 3/18/1952 1 47270 FOLDER 355 A71738 41717579075687 FUNCTIONAL ORGANISATION OF GCHQ; GCHQ ORGANIZATION, 1950-1952 11/1/1951 1 47270 FOLDER 097 A71739 41711449075075 PATENT PAPERS WITH DRAWINGS, DESCRIPTIONS AND PROTECTIONS FOR CRYPTOGRAPHIC SYSTEMS (#443320), SISDE 29 7/21/1953 69 47270 FOLDER 355 A71740 41717459075675 RETIREMENT OF SIR EDWARD TRAVIS, DIRECTOR, GCHQ 2/29/1952 1 47270 FOLDER 355 A71741 41717639075693 APPOINTMENT OF NEW DIRECTOR, GCHQ; GCHQ ORGANIZATION, 1950-1952 2/29/1952 1 47270 FOLDER 101 A71743 41711529075086 DERVISH: GENERAL DESCRIPTION 6/1/1954 103 47270 FOLDER 355 A71744 41717649075694 ASSIGNMENT OF MI8 COLONEL; GCHQ ORGANIZATION, 1950-1952 2/20/1952 1 47270 FOLDER 355 A71745 41717659075695 REPLACEMENT OF DIRECTOR, GCHQ; GCHQ ORGANIZATION, 1950-1952 2/20/1952 1 47270 FOLDER 355 A71746 41717479075677 GCHQ RECIPIENTS OF BRITISH HONORS 1/8/1952 1 47270 FOLDER 355 A71747 41717689075698 GCHQ RECIPIENTS OF BRITISH HONORS 1/2/1952 1 47270 FOLDER 100 A71748 41711589075089 LOCATOR CARD: CDR L. F. SAFFORD, USN 1/1/1940 1 47270 FOLDER 355 A71749 41717609075690 GCHQ THANKS FOR PROVIDING INFORMATION 10/18/1951 1 47270 FOLDER 355 A71761 41718129075742 MEMBERSHIP ROSTERS FOR THE LONDON SIGNAL INTELLIGENCE BOARD, JUNIOR SIGINT BOARDS AND USIB COMMITTEES; USCIB, 34/97 DATED 24 NOVEMBER 1950 10/9/1951 2 47270 FOLDER 355 A71763 41718159075746 MEMBERSHIP ROSTERS FOR THE LONDON SIGNAL INTELLIGENCE BOARD, JUNIOR SIGINT BOARDS AND USIB COMMITTEES 10/9/1951 2 47270 FOLDER 354 A71765 41717709075700 BRIEF HISTORY OF CONSIDO 2/28/1952 1 47270 FOLDER 354 A71767 41718209075753 HISTORY OF CONSIDO 3/4/1952 95 47270 FOLDER 353 A71769 41717729075702 SCAMP VISIT TO NSA; SCAMP, 1952-1954 12/29/1954 1 47270 FOLDER 353 A71770 41717929075722 SCAMP VISIT TO NSA - REVISED 1/18/1955 1 47270 FOLDER 353 A71772 41717809075710 PROGRAM FOR SCAMP ORIENTATION; SCAMP, 1952-1954 1/1/1955 1 47270 FOLDER 353 A71773 41718069075736 VOTE SHEET - 1954 SCAMP WORKING PAPERS; SCAMP, 1952-1954 12/7/1954 1 47270 FOLDER 046 A71777 41710799075011 CATEGORIES OF NSA SPECIALTIES, 23 JUL 1954 7/23/1954 10 47270 FOLDER 046 A71780 41710879075019 CATEGORIES OF NSA SPECIALTIES WITH HANDWRITTEN NOTATIONS 7/1/1954 5 47270 FOLDER 046 A71781 41710909075024 CATEGORIES OF NSA SPECIALTIES, 24 JUNE 1954 6/24/1954 4 47270 FOLDER 046 A71785 41710969075027 CATEGORIES OF NSA SPECIALTIES; MEMO FROM DUNCAN SINCLAIR TO MR. FRIEDMAN 7/6/1954 2 47270 FOLDER 353 A71786 41718039075733 COMMENTS ON DR. CAIRNS' MEMO OF 24 MARCH 1953 TO NSA SAB ON SCAMP 1953 4/21/1953 7 47270 FOLDER 046 A71787 41710999075031 CATEGORIES OF NSA SPECIALTIES 1/1/1954 2 47270 FOLDER 046 A71789 41711039075035 CATEGORIES OF NSA SPECIALTIES 1/21/1954 1 47270 FOLDER 046 A71790 41711099075039 CATEGORIES OF NSA SPECIALTIES 1/8/1954 2 47270 FOLDER 046 A71791 41711139075045 CATEGORIES OF NSA SPECIALTIES 1/8/1954 1 47270 FOLDER 353 A71792 41718009075730 SCAMP 1953 4/23/1953 1 47270 FOLDER 353 A71794 41717849075714 SCAMP 1953 4/23/1953 1 47270 FOLDER 046 A71795 41711389075069 MEMO FROM MR. O'BRIEN RE CATEGORIES OF NSA SPECIALTIES, 22 DEC 1953 12/22/1953 1 47270 FOLDER 353 A71796 41717749075704 CLEARANCE OF ADVISORY BOARD MEMBER 6/9/1953 1 47270 FOLDER 046 A71797 41711899075120 CATEGORIES OF NSA SPECIALTIES AND PERSONNEL SKILLED THEREIN, 25 JUN 1953 6/25/1953 2 47270 FOLDER 353 A71800 41717959075725 LETTER TO MR. WILLIAM B. SHOCKLEY REGARDING SUMMER SYMPOSIUM 6/1/1953 3 47270 FOLDER 046 A71802 41712019075132 DATA SHEETS FOR NATIONAL SECURITY AGENCY KEY PERSONNEL; NSA REGULATION NO. 30-4 5/18/1954 4 47270 FOLDER 353 A71803 41717779075707 SCAMP 1953 5/18/1953 18 47270 FOLDER 353 A71804 41717819075711 SUGGESTED LETTER FROM GENERAL CANINE TO ADMIRAL NIMITZ 9/21/1953 3 47270 FOLDER 046 A71805 41712079075138 MEMO ASKING MR. FRIEDMAN TO ATTEND MEETING ON 15 DEC 12/1/1953 1 47270 FOLDER 353 A71806 41717879075719 REPORT ON SCAMP 1953 9/1/1953 30 47270 FOLDER 353 A71808 41717989075728 REQUEST FOR PERMISSION TO TRANSFER FUNDS TO THE NATIONAL BUREAU OF STANDARDS, DEPARTMENT OF COMMERCE FOR A TEMPORARY ACCELERATION OF GOVERNMENT ORDER5/7/1953 NA 26-47 2 47270 FOLDER 046 A71809 41712179075148 SCHEDULE OF MAJOR EVENTS FOR NOVEMBER-DECEMBER 1953 11/27/1953 2 47270 FOLDER 096 A71811 41711619075092 TWO BRITISH PATENT DOCUMENTS FOR CRYPTO DEVICES 4/9/1914 9 47270 FOLDER 353 A71812 41718279075757 NSA SUMMER SYMPOSIUM IN CONNECTION WITH NATIONAL BUREAU OF STANDARDS 4/1/1953 1 47270 FOLDER 353 A71813 41718339075763 NSA/NATIONAL BUREAU OF STANDARDS SUMMER SYMPOSIUM OF MATHEMATICIANS 3/23/1953 1 47270 FOLDER 353 A71814 41718469075774 NSA/NATIONAL BUREAU OF STANDARDS SUMMER SYMPOSIUM OF MATHEMATICIANS; DIRNSA MEMORANDUM 3/2/1953 1 47270 FOLDER 353 A71815 41718489075778 PROCEDURE ON REQUESTS FOR APPROVAL OF RESEARCH AND DEVELOPMENT TO BE PERFORMED BY OTHER GOVERNMENT AGENCIES 4/29/1953 2 47270 FOLDER 353 A71816 41718309075759 ADDITIONAL FISCAL YEAR 1953 FUNDS FOR GOVERNMENT ORDER NAONR 26-47 WITH NATIONAL BUREAU OF STANDARDS FOR SCAMP 4/23/1953 2 47270 FOLDER 353 A71817 41718539075783 SCAMP PROGRAM 1953 4/10/1953 1 47270 FOLDER 095 A71818 41711649075095 CORRESPONDENCE SURROUNDING FRIEDMAN RELIEF BILL ON CAPITOL HILL 10/23/1951 4

UNCLASSIFIED 145 UNCLASSIFIED

47270 FOLDER 095 A71819 41711669075097 RELEASE OF CRYPTOGRAPHIC PRINCIPLES 4/29/1946 1 47270 FOLDER 095 A71820 41711689075099 SIGNAL CORPS PATENT BOARD MEETING #2 4/17/1936 2 47270 FOLDER 095 A71821 41711719075102 JAG (ARMY) CONFERENCE RELATIVE TO INVENTION OF WILLIAM F. FRIEDMAN 6/15/1950 2 47270 FOLDER 046 A71822 41712229075153 LIST OF SELECTED PERSONNEL, INCLUDING EDUCATION & WORK EXPERIENCE 1/1/1954 7 47270 FOLDER 046 A71823 41712279075158 MINUTES OF MEETING ON THE LABORATORY SECURITY OF AN/GSQ-4 HELD 24 SEP 1946 9/24/1946 5 47270 FOLDER 046 A71825 41712339075164 NSA CIVILIAN EMPLOYEES BY SENIORITY AND ALPHABETICALLY, GS-12 THRU GS-15 2/28/1953 22 47270 FOLDER 095 A71827 41711749075105 H.R. 1152 - FRIEDMAN RELIEF BILL AND RELATED INFORMAL NOTES 10/7/1953 23 47270 FOLDER 046 A71828 41712379075168 CATEGORIES OF CRYPTANALYTIC SPECIALTIES 1/1/1953 2 47270 FOLDER 094 A71829 41711759075108 COVER LETTER AND PAMPHLET: "GOVERNMENT INCENTIVES, AWARDS AND REWARDS PROGRAM" 9/25/1952 18 47270 FOLDER 045 A71836 41712409075171 USE OF THE CODE WORD "CREAM"; REPORT DATED 6 SEP 1946 1/28/1947 7 47270 FOLDER 045 A71838 41712459075176 OPERATIONS CIRCULAR NO. 5 - DEFINITION AND APPLICATION OF TOP SECRET CREAM 3/21/1946 2 47270 FOLDER 045 A71839 41712519075182 MEMORADUM: SECURITY; MEMO FROM MR. FRIEDMAN RE SECURITY/SECRECY OATH 7/23/1943 2 47270 FOLDER 045 A71840 41712669075197 COMMENTS ON ATTACHED TENTATIVE DRAFT OF NAVY INSTRUCTIONS FOR MAINTAINING THE SECURITY OF COMMUNICATION INTELLIGENCE, DATED 23 JUNE 1944 9/12/1944 8 47270 FOLDER 045 A71843 41712939075224 CIRCULAR NO. 91: SECURITY CLASSIFICATIONS; CIRCULAR NR 91 2/29/1944 3 47270 FOLDER 045 A71848 41713089075239 LETTER TO THE LIBRARIAN, AMERICAN LIBRARY ASSOCIATION, FROM THE SECRETARY OF WAR: REQUEST WITHDRAWAL FROM GENERAL USE ALL REFERENCES DEALING WITH EXPLOSIVES,9/4/1942 SECRET INKS, CIPHERS1 WHILE U.S. IS AT WAR 47270 FOLDER 045 A71851 41713139075245 CRYPTOGRAPHIC SECURITY AND SAFEGUARDING MILITARY INFORMATION; 5 SEP 1942 9/5/1942 5 47270 FOLDER 045 A71855 41713179075248 BLANK SECURITY OATH; CSGAS FORM NO. 7; 11/12/1947 2 47270 FOLDER 045 A71858 41713279075258 WAR DEPARTMENT REGULATIONS FOR SECURITY AND DISSEMINATION OF COMMUNICATION INTELLIGENCE, 29 JUL 1946 8/21/1946 11 47270 FOLDER 045 A71860 41713359075265 INDEX SHEET RE USE OF CODE WORD "CREAM" 1/28/1947 1 47270 FOLDER 045 A71862 41713399075270 REGULATIONS FOR SECURITY AND DISSEMINATION OF COMMUNICATION INTELLIGENCE; 29 JUL 1946 7/29/1946 1 47270 FOLDER 045 A71863 41713469075277 SECURITY REGULATIONS FOR SPECIAL INTELLIGENCE; 10 JUL 1944 7/10/1944 9 47270 FOLDER 045 A71866 41713529075285 WAR DEPARTMENT TECHNICAL BULLETIN - TB SIG 2 12/15/1943 7 47270 FOLDER 045 A71868 41713589075290 SECURITY OF SIGNAL COMMUNICATIONS; 3 MAR 1943 3/3/1943 3 47270 FOLDER 045 A71871 41713649075295 MILITARY SECURITY: INSTRUCTIONS FOR DESIGNATED OFFICER COURIERS TO CONVEY ARMY-AIR FORCE SECURITY COURIER SERVICE MATERIAL 2/24/1950 4 47270 FOLDER 045 A71872 41713759075306 OFFICER PROCUREMENT: MILITARY INTELLIGENCE RESERVE AND ARMY SECURITY RESERVE 8/8/1947 5 47270 FOLDER 045 A71875 41713819075313 NOTE TO MRS. G. REQUESTING THAT SHE OBTAIN COPIES OF FOUR CONGRESSIONAL BILLS 1/1/1947 2 47270 FOLDER 045 A71876 41713899075322 HOUSE OF REPRESENTATIVES BILL H.R. 4035 6/30/1947 9 47270 FOLDER 045 A71878 41714129075343 SENATE BILL S1521 6/27/1947 4 47270 FOLDER 045 A71880 41714499075380 SENATE BILL S1560 7/2/1947 9 47270 FOLDER 045 A71882 41714659075395 U.S. POLICY CONCERNING CLASSIFICATIONS OF SERVICE LECTURES ON COMMUNICATION INTELLIGENCE; 21 JAN 1948 1/21/1948 4 47270 FOLDER 353 A71892 41718389075768 REMARKS CONCERNING REPORT ON SCAMP 9/16/1952 1 47270 FOLDER 353 A71895 41718569075785 TRIP REPORT, CONTRACT NA ONR 26047; CONTRACT NA ONR 26047 8/27/1952 1 47270 FOLDER 353 A71897 41718599075789 TRIP REPORT 8/13/1952 4 47270 FOLDER 353 A71898 41718629075792 TRIP REPORT: SCAMP 1952 8/12/1952 1 47270 FOLDER 045 A71904 41714849075418 SEVERAL EXAMPLES OF A LACK OF SECURITY PRECAUTIONS ON THE PART OF U.S. PERSONNEL DURING THE PERIOD 8 DEC 1941 TO 31 OCT 1943 11/1/1943 36 47270 FOLDER 353 A71905 41718649075794 INTERIM REPORT ON TRIP TO SCAMP 8/7/1952 2 47270 FOLDER 045 A71906 41715369075467 DISCLOSURE OF CLASSIFIED INFORMATION; 18 JUL 1945 7/18/1945 2 47270 FOLDER 045 A71909 41715419075472 MAINTENANCE OF SECURITY AFTER VJ-DAY; 4 SEP 1945 9/4/1945 1 47270 FOLDER 045 A71910 41715459075476 PROBLEM: TO EXAMINE THE PRESENT METHOD OF SUPERVISING U.S. COMMUNICATION SECURITY WITH SPECIAL REFERENCE TO THE REPORTING OF VIOLATIONS AND THE EVALUATION1/1/1945 OF THE POSSIBLE DAMAGE7 CAUSED 47270 FOLDER 045 A71912 41715849075515 CONFERENCE ON SIGNAL SECURITY 4TH MAY 1944 5/4/1944 2 47270 FOLDER 045 A71913 41715889075519 COMMUNICATION SECURITY - PUBLISHED BY THE AUTHORITY OF THE JOINT COMMUNICATIONS BOARD; APRIL 1947 4/7/1947 23 47270 FOLDER 353 A71915 41718669075796 LT. (JG) BILLINGSLEY, AVAILABILITY FOR ASSIGNMENT TO SCAMP PROGRAM 7/10/1952 1 47270 FOLDER 353 A71918 41718419075771 NSA SYMPOSIUM OF MATHEMATICIANS 6/6/1952 1 47270 FOLDER 045 A71920 41715919075522 FM 32-( )COMMUNICATION INTELLIGENCE AND COMMUNICATION SECURITY; 3 AUG 1949 8/11/1949 16 47270 FOLDER 353 A71921 41718689075798 MEMORANDUM FOR THE SCAMP FILE 5/22/1952 2 47270 FOLDER 353 A71923 41718759075805 FINANCIAL ANALYSIS - SCAMP 5/2/1952 1 47270 FOLDER 353 A71925 41718099075739 TASK DESCRIPTION (SCAMP) - SPECIAL COMMITTEE ADVISING ON MATHEMATICAL PROBLEMS 1/1/1952 1 47270 FOLDER 353 A71926 41718849075813 NOTES ON A PROPOSED RESEARCH PROJECT AND SYMPOSIUM 3/18/1952 4 47270 FOLDER 353 A71928 41718859075815 CLASSIFICATION OF SCAMP WORKING PAPERS 2/11/1955 1 47270 FOLDER 353 A71929 41718879075817 SCAMP PROSPECTS 9/23/1953 4

UNCLASSIFIED 146 UNCLASSIFIED

47270 FOLDER 353 A71930 41718359075765 SCAMP 1953 REPORT; LETTER FROM UNIVERSITY OF ILLINOIS 9/9/1953 1 47270 FOLDER 045 A71933 41715949075525 SECURITY OF ENCIPHERED INTERNAL REFERENCES IN CRYPTOGRAPHED MESSAGES 7/1/1944 33 47270 FOLDER 353 A71934 41718899075818 SCAMP 1953 SITUATION 5/18/1953 1 47270 FOLDER 353 A71936 41718909075820 SCAMP 1953: BUDGETARY CONCERNS 5/5/1953 2 47270 FOLDER 045 A71938 41715979075528 MEMORANDUM FOR A C OF S, G-2 RE PROSPECTUS OF COURSES OF INSTRUCTION IN CRYPTOGRAPHY AND CRYPTANALYSIS BY NEW YORK UNIVERSITY 1/18/1943 1 47270 FOLDER 045 A71939 41716709075601 DEVELOPMENT OF SECURITY FACILITIES; 29 MAR 1945 3/29/1945 2 47270 FOLDER 045 A71941 41716759075606 EXTRACT FROM ER 80671, MEDITERRANEAN (WESTERN SIGINT REPORT FOR FEBRUARY 1945) 3/1/1945 2 47270 FOLDER 045 A71942 41716839075613 GENERAL ADDRESS AND SIGNATURE CODE NO. 2: MEMORANDUM FOR DIRECTOR OF COMMUNICATIONS RESEARCH, SIGNAL SECURITY AGENCY 1/24/1945 1 47270 FOLDER 045 A71943 41716889075619 SECURITY IMPROVEMENTS ACCOMPLISHED BY "C" BRANCH IN 1944 1/1/1945 6 47270 FOLDER 353 A71947 41718819075811 SUGGESTED MATHEMATICS PANEL MEMBERS 5/1/1953 1 47270 FOLDER 353 A71948 41718929075822 LETTER TO S. S. CAIRNS REGARDING PROPOSED MATHEMATICS PROGRAM 4/21/1953 1 47270 FOLDER 353 A71949 41718949075824 SCAMP - BUDGETARY STATUS 4/20/1953 2 47270 FOLDER 353 A71952 41718959075825 NSA HIRING OF MATHEMATICIANS 4/14/1953 1 47270 FOLDER 353 A71954 41718979075827 SCAMP 1953 ISSUES; NSA SCIENTIFIC ADVISORY BOARD 4/3/1953 3 47270 FOLDER 353 A71955 41719009075830 SCAMP PROGRAM 1953; NSA SCIENTIFIC ADVISORY BOARD 3/27/1953 3 47270 FOLDER 100 A71995 41711799075111 ARMY BURGLAR ALARM SYSTEM (INVITATION NO. R-4875/CONTRACT NO. W1049) 3/29/1940 58 47270 FOLDER 353 A72002 41719039075832 SCAMP PROGRAM 1953; NSA SCIENTIFIC ADVISORY BOARD 3/20/1953 2 47270 FOLDER 353 A72004 41719069075836 SCAMP PROJECTS 1953; NSA SCIENTIFIC ADVISORY BOARD 2/20/1953 1 47270 FOLDER 353 A72006 41719079075837 SCAMP 1953 STATUS; NSA SCIENTIFIC ADVISORY BOARD 3/2/1953 1 47270 FOLDER 353 A72007 41719099075839 NSA/NATIONAL BUREAU OF STANDARDS SYMPOSIUM 1953 4/1/1953 1 47270 FOLDER 353 A72010 41719159075845 NSA/NATIONAL BUREAU OF STANDARDS SYMPOSIUM 1953 3/23/1953 1 47270 FOLDER 353 A72012 41719209075850 SCAMP 1953; NSA SCIENTIFIC ADVISORY BOARD 2/14/1953 2 47270 FOLDER 353 A72013 41719179075847 THOUGHTS ON SCAMP 1953; NSA SCIENTIFIC ADVISORY BOARD 2/13/1953 1 47270 FOLDER 353 A72015 41719239075852 SUMMARIZING TELEPHONE CONVERSATIONS WITH S. S. CAIRNS, 8 JAN 1953 CONCERNING SCAMP; NSA SCIENTIFIC ADVISORY BOARD 1/12/1953 1 47270 FOLDER 353 A72018 41719129075842 SCAMP 1953 - POSSIBLE PARTICIPANT; NSA SCIENTIFIC ADVISORY BOARD 12/16/1952 3 47270 FOLDER 353 A72019 41719289075858 SALARIES AND EXPENSES FOR SCAMP 1953; NSA SCIENTIFIC ADVISORY BOARD 12/11/1952 1 47270 FOLDER 353 A72020 41719259075855 SALARIES AND TRAVEL EXPENSES FOR SCAMP PARTICIPANTS, 1953 12/5/1952 1 47270 FOLDER 353 A72023 41719309075860 EXECUTIVE SECRETARY FOR SCAMP IN 1953 12/1/1952 1 47270 FOLDER 353 A72024 41719329075862 SCAMP 1953 PARTICIPANTS 12/1/1952 3 47270 FOLDER 353 A72027 41719359075865 SCAMP MEMBERSHIP. 1953 11/12/1952 2 47270 FOLDER 353 A72034 41719539075883 SCAMP 1953 CHAIRMAN 11/5/1952 1 47270 FOLDER 353 A72035 41719509075880 SCAMP 1953 PLANNING; LETTER FROM UNIVERSITY OF ILLINOIS, DEPARTMENT OF MATHEMATICS 10/31/1952 1 47270 FOLDER 353 A72037 41719579075887 SCAMP 1953 PLANNING 10/31/1952 1 47270 FOLDER 353 A72039 41719589075888 SCAMP 1953 POTENTIAL PARTICIPANTS 11/5/1952 1 47270 FOLDER 353 A72041 41719609075890 SCAMP TRAVEL PLANS 10/27/1952 1 47270 FOLDER 353 A72042 41719669075896 SCAMP 1953 PLANNING 8/25/1952 3 47270 FOLDER 353 A72044 41719489075878 REPORT ON SCAMP TO THE DIRECTOR OF AFSA 9/8/1952 15 47270 FOLDER 353 A72047 41719699075899 SCAMP 1953 NOMINEE FOR EXECUTIVE SECRETARY 12/5/1952 1 47270 FOLDER 353 A72048 41719719075901 SCAMP 1953 - SEMINAR DOCUMENTS 10/15/1952 1 47270 FOLDER 353 A72049 41719649075894 SCAMP 1952 - REVIEW 10/17/1952 1 47270 FOLDER 353 A72050 41719759075905 SCAMP 1952 - REVIEW 10/7/1952 2 47270 FOLDER 353 A72051 41719789075908 SCAMP 1952 - REQUEST FOR COMMENTS 9/16/1952 2 47270 FOLDER 353 A72052 41719809075910 SCAMP 1953 PLANNING 2/18/1953 1 47270 FOLDER 353 A72053 41720159075944 SCAMP 1953 PLANNING 10/24/1952 1 47270 FOLDER 353 A72057 41720189075947 SCAMP 1954 POTENTIAL PARTICIPANTS 11/24/1953 2 47270 FOLDER 353 A72069 41720219075950 SCAMP 1953 PLANNING 12/22/1952 1 47270 FOLDER 353 A72070 41720239075952 SCAMP 1952: COMMENTS 12/3/1952 1 47270 FOLDER 353 A72071 41720299075959 SCAMP 1952: COMMENTS 9/18/1952 1 47270 FOLDER 353 A72072 41720269075955 SCAMP 1952: COMMENTS 9/18/1952 3 47270 FOLDER 353 A72073 41720339075962 SCAMP 1954 - PLANNING 12/19/1953 1

UNCLASSIFIED 147 UNCLASSIFIED

47270 FOLDER 353 A72074 41720359075964 SCAMP 1953 - PLANNING 5/4/1953 2 47270 FOLDER 353 A72075 41720399075968 SCAMP 1953 - PLANNING AND SECURITY 4/17/1953 2 47270 FOLDER 353 A72076 41720429075971 SCAMP 1953 - PLANNING AND SECURITY 3/10/1953 1 47270 FOLDER 353 A72077 41720499075978 SCAMP 1953 - PLANNING 2/13/1953 1 47270 FOLDER 353 A72078 41720529075981 SCAMP 1952 - SECURITY CLEARANCES 7/11/1952 2 47270 FOLDER 353 A72081 41720469075975 SCAMP 1953 - SECURITY PLANNING 5/1/1953 1 47270 FOLDER 353 A72083 41720579075986 SUMMARY OF A MEETING AT WHICH NSA AND SCAMP PROBLEMS WERE DISCUSSED 4/17/1955 21 47270 FOLDER 352 A72084 41720639075992 APPOINTMENT TO NSA CIVILIAN PROMOTION REVIEW BOARD 2/7/1955 1 47270 FOLDER 352 A72085 41720609075989 APPOINTMENT TO NSA CIVILIAN PROMOTION REVIEW BOARD 4/26/1954 1 47270 FOLDER 352 A72087 41720669075995 CIVILIAN PROMOTION REVIEW BOARD 9/10/1953 2 47270 FOLDER 352 A72088 41720689075997 APPOINTMENT TO NSA CIVILIAN PROMOTION REVIEW BOARD 9/10/1953 1 47270 FOLDER 352 A72089 41720719076000 CIVILIAN PROMOTION REVIEW BOARD 11/16/1953 4 47270 FOLDER 352 A72090 41720769076005 CIVILIAN PROMOTION REVIEW BOARD 1/1/1953 2 47270 FOLDER 351 A72160 41720739076002 DESIGNATION OF NSA MEMBERSHIP FOR THE TECHNICAL MANAGEMENT BOARD 12/9/1954 1 47270 FOLDER 351 A72162 41720799076007 AGENDA FOR THE FIFTH MEETING OF THE TECHNICAL MANAGEMENT BOARD 9/2/1954 3 47270 FOLDER 351 A72163 41720829076010 TECHNICAL MANAGEMENT BOARD 6/21/1954 1 47270 FOLDER 351 A72165 41720889076016 TECHNICAL MANAGEMENT BOARD, PROJECT NO. 13 7/13/1954 12 47270 FOLDER 351 A72167 41720909076018 TECHNICAL MANAGEMENT BOARD, PROJECT NO. 8 5/3/1954 4 47270 FOLDER 351 A72168 41720849076012 TECHNICAL MANAGEMENT BOARD, PROJECTS 14 TO 19 5/5/1954 8 47270 FOLDER 351 A72169 41720929076020 TECHNICAL MANAGEMENT BOARD, PROJECTS 1, 2, 3, 4, AND 6 1/20/1954 7 47270 FOLDER 351 A72172 41721069076034 PROJECTS FOR TECHNICAL MANAGEMENT BOARD 12/30/1953 2 47270 FOLDER 351 A72173 41722859076211 TECHNICAL MANAGEMENT BOARD PROJECTS 8 TO 13 1/15/1954 13 47270 FOLDER 350 A72174 41722959076222 NSA QUOTA FOR COMMAND MANAGEMENT SCHOOL 2/9/1955 1 47270 FOLDER 350 A72176 41722989076225 NSA QUOTA FOR COMMAND MANAGEMENT SCHOOL 2/7/1955 1 47270 FOLDER 350 A72178 41723019076228 NSA RECEIPT OF COMMAND MANAGEMENT SCHOOL LITERATURE 1/31/1955 2 47270 FOLDER 350 A72180 41721009076028 COMMAND MANAGEMENT SCHOOL LITERATURE 1/25/1955 1 47270 FOLDER 350 A72182 41723039076230 APPOINTMENT OF NSA EXECUTIVE DEVELOPMENT BOARD; GENERAL ORDERS NUMBER 64 9/1/1953 1 47270 FOLDER 350 A72184 41723069076233 NSA EXECUTIVE DEVELOPMENT PROGRAM: EXECUTIVE APPRAISAL AT AMERICAN ENKA CORPORATION 10/14/1953 1 47270 FOLDER 350 A72185 41722889076215 MEETING OF EXECUTIVE DEVELOPMENT BOARD 10/8/1953 1 47270 FOLDER 350 A72188 41723079076235 NSA MANAGEMENT CONFERENCE, 21-23 SEPTEMBER 1953 - CONSOLIDATED CRITIQUE 9/23/1953 5 47270 FOLDER 350 A72192 41722919076218 NSA EXECUTIVE DEVELOPMENT PROGRAM: WEEKLY SEMINAR SESSIONS 10/19/1953 1 47270 FOLDER 350 A72193 41723109076237 NSA EXECUTIVE DEVELOPMENT PROGRAM: INTRODUCTION TO CASE STUDIES PROGRAM AND DISCUSSION IN WORKGROUP OF SEMINAR PROGRAM CONTENT 10/22/1953 3 47270 FOLDER 350 A72196 41723299076256 NSA EXECUTIVE DEVELOPMENT PROGRAM: WORKGROUP ON EXECUTIVE APPRAISAL-COUNSELING AND INVENTORY 10/21/1953 2 47270 FOLDER 350 A72197 41723409076267 NSA EXECUTIVE DEVELOPMENT PROGRAM: PROPOSED EXECUTIVE APPRAISAL-COUNSELING PROGRAM 10/1/1953 7 47270 FOLDER 350 A72199 41723439076270 NSA EXECUTIVE DEVELOPMENT BOARD: REGULATION NO. 20-13 3/31/1953 2 47270 FOLDER 350 A72201 41723149076241 APPOINTMENT OF NSA EXECUTIVE DEVELOPMENT BOARD 3/31/1953 2 47270 FOLDER 349 A72203 41723139076240 SUMMARY REPORT ON MANAGEMENT IMPROVEMENT PROGRAM - FY 1954 9/1/1954 12 47270 FOLDER 348 A72205 41720959076023 COMMUNICATION SECURITY (COMSEC) MATTERS 2/3/1953 3 47270 FOLDER 348 A72213 41720989076026 AUTHORITY OVER MILITARY COMMUNICATION SECURITY (COMSEC) MATTERS 1/22/1953 5 47270 FOLDER 348 A72215 41723239076250 NATIONAL SECURITY COUNCIL DIRECTIVE ON COMMUNICATIONS SECURITY 7/3/1953 17 47270 FOLDER 348 A72217 41723259076252 COMMUNICATIONS SECURITY (COMSEC) MATTERS 2/10/1953 3 47270 FOLDER 348 A72219 41723219076248 A REPORT TO THE NATIONAL SECURITY COUNCIL BY THE EXECUTIVE SECRETARY ON COMMUNICATIONS SECURITY (COMSEC) 10/20/1953 16 47270 FOLDER 348 A72220 41723479076275 COMMUNICATIONS SECURITY 10/26/1953 6 47270 FOLDER 348 A72221 41723179076244 PROGRAM TO IMPROVE COMMUNICATIONS SECURITY OF NATO COUNTRIES (APPROACH TO THE FRENCH) 10/9/1953 3 47270 FOLDER 348 A72223 41723369076262 SHORT TITLES AND FUNCTIONAL SYMBOLS FOR USE WITHIN THE OFFICE OF COMMUNICATIONS SECURITY 5/5/1954 1 47270 FOLDER 348 A72224 41723539076279 IMPLEMENTATION OF NATIONAL SECURITY COUNCIL DIRECTIVE ON COMMUNICATIONS SECURITY 12/14/1953 13 47270 FOLDER 348 A72225 41723959076323 IMPLEMENTATION OF NATIONAL SECURITY COUNCIL DIRECTIVE ON COMMUNICATIONS SECURITY 12/9/1953 11 47270 FOLDER 348 A72227 41723579076284 PROPOSED CHANGES TO 4 DECEMBER 1953 DRAFT OF MEMORANDUM IMPLEMENTING NSC 168 12/7/1953 4 47270 FOLDER 348 A72228 41723949076321 IMPLEMENTATION OF NSC DIRECTIVE ON COMMUNICATIONS SECURITY (NSC 168) 12/4/1953 8 47270 FOLDER 348 A72230 41723989076326 IMPLEMENTATION OF NSC DIRECTIVE ON COMMUNICATIONS SECURITY (NSC 168) 12/2/1953 9

UNCLASSIFIED 148 UNCLASSIFIED

47270 FOLDER 348 A72231 41724639076391 IMPLEMENTATION OF NSC COMSEC DIRECTIVE 10/21/1953 5 47270 FOLDER 348 A72232 41721089076036 IMPLEMENTATION OF THE NATIONAL SECURITY COUNCIL DIRECTIVES ON COMMUNICATIONS SECURITY 10/16/1953 4 47270 FOLDER 348 A72233 41723339076260 FORTIETH MEETING OF AFSAC 9/28/1953 5 47270 FOLDER 348 A72235 41724439076372 ESTABLISHMENT OF THE JOINT SECURITY COMMITTEE 9/11/1953 7 47270 FOLDER 045 A72242 41716919075621 MEMORANDUM: INCREASING THE SECURITY OF THE OPERATIONS BUILDING; 1 JAN 1943 1/1/1943 2 47270 FOLDER 045 A72243 41716939075624 SECURITY VIOLATION; 28 OCT 1948 10/28/1948 1 47270 FOLDER 045 A72245 41716969075626 MEMO STATING THAT ASA BULLETIN NO. 52 WAS READ TO ALL PERSONNEL IN AS-13 AND AS-14 11/22/1948 1 47270 FOLDER 045 A72263 41717369075666 THE WHITTAKER CHAMBERS MICROFILM 12/7/1948 2 47270 FOLDER 045 A72265 41717799075708 REQUEST FOR CLASSIFIED INSTRUCTION BOOKS 4/19/1948 3 47270 FOLDER 045 A72267 41717829075713 REPORT OF THE POST SECURITY COMMITTEE 12/10/1943 2 47270 FOLDER 045 A72271 41717869075716 SAFEGUARDING MILITARY INFORMATION; 10 JAN 1944 1/10/1944 1 47270 FOLDER 045 A72273 41717899075718 QUESTIONS ON SECURITY 1/28/1944 1 47270 FOLDER 045 A72275 41717919075721 MAINTENANCE OF SECURITY STANDARDS AFTER THE END OF THE EUROPEAN WAR 6/1/1945 1 47270 FOLDER 348 A72277 41724099076336 FORTIETH MEETING OF AFSA COUNCIL 9/11/1953 1 47270 FOLDER 348 A72278 41723709076297 AFSA COUNCIL AGENDA FOR FORTIETH MEETING 9/11/1953 1 47270 FOLDER 045 A72280 41717949075724 ARLINGTON HALL STATION - POST SECURITY POLICY 1/1/1945 8 47270 FOLDER 045 A72281 41717979075727 SECURITY VIOLATIONS - 10 JUL 1945 7/10/1945 2 47270 FOLDER 348 A72282 41723749076302 NATIONAL SECURITY COUNCIL DIRECTIVE ON COMSEC 8/11/1953 14 47270 FOLDER 045 A72283 41718019075731 OUTSIDE CONTACT REPORT 11/4/1948 1 47270 FOLDER 348 A72285 41723909076317 NATIONAL SECURITY COUNCIL DIRECTIVE ON COMSEC 8/3/1953 14 47270 FOLDER 045 A72286 41718049075734 UNCLASSIFIED TECH INFO; 6 DEC 1948 12/6/1948 3 47270 FOLDER 348 A72288 41724749076404 NATIONAL SECURITY COUNCIL DIRECTIVE ON COMSEC 8/3/1953 12 47270 FOLDER 045 A72289 41718079075737 INDUSTRIAL SECURITY CLEARANCES 6/20/1949 2 47270 FOLDER 348 A72290 41724139076340 NATIONAL SECURITY COUNCIL DIRECTIVE ON COMSEC 6/19/1953 16 47270 FOLDER 045 A72291 41718119075740 SECURITY OF SPECIAL GAS-FILLED CABLE 10/17/1949 1 47270 FOLDER 348 A72292 41724119076338 NSA PROPOSED MODIFICATIONS TO 7 JULY 1953 DRAFT OF PROPOSED COMSEC DIRECTIVES 7/21/1953 2 47270 FOLDER 045 A72294 41718149075743 PHYSICAL SECURITY EQUIPMENT 10/14/1949 2 47270 FOLDER 348 A72307 41724259076352 PROPOSED NSC DIRECTIVE FOR COMMUNICATIONS SECURITY 7/16/1953 5 47270 FOLDER 348 A72308 41724529076382 PROPOSED NSC DIRECTIVE ON COMMUNICATIONS SECURITY 7/16/1953 9 47270 FOLDER 348 A72312 41724179076344 PROPOSED NSC DIRECTIVE FOR COMSEC 7/13/1953 15 47270 FOLDER 348 A72313 41724159076342 COMMENTS ON COMSEC DIRECTIVE 7/14/1953 2 47270 FOLDER 348 A72314 41725109076439 COMMENTS ON MR. LAY'S DRAFT COMSEC DIRECTIVE 7/7/1953 3 47270 FOLDER 348 A72317 41725479076474 3 JULY 1953 DRAFT PROPOSED NSC DIRECTIVE ON COMSEC 7/13/1953 1 47270 FOLDER 045 A72338 41718189075748 SUPERSONIC ALARM EQUIPMENT 10/22/1948 2 47270 FOLDER 045 A72341 41718219075750 RADIO TRANSMISSION SECURITY TRAINING 1/1/1945 7 47270 FOLDER 045 A72343 41718259075755 INTELLIGENCE REPORT NO. 3 5/5/1945 23 47270 FOLDER 045 A72344 41718289075758 INFORMATION RELATIVE TO UNITED STATES, GERMAN, AND JAPANESE SIGNAL SECURITY EQUIPMENT 5/12/1945 4 47270 FOLDER 045 A72347 41787999082700 SECURITY OF ALLIED CIPHERS; 20 SEP 1945 9/20/1945 4 47270 FOLDER 045 A72350 41718379075767 SECURITY CLASSIFICATION OF SIGNAL CORPS TECHNICAL MANUALS 9/2/1947 10 47270 FOLDER 348 A72351 41724089076335 NSC COMSEC DIRECTIVE NO. 1 7/13/1953 4 47270 FOLDER 045 A72352 41718429075772 TOP SECRET CONTROL PROCEDURE 2/21/1947 3 47270 FOLDER 497 A72354 41783199082233 INDEX CARDS FOR ABBREVIATIONS, TERMS, AND PERSONALITY INFORMATION 1/1/1982 398 47270 FOLDER 347 A72355 41724849076411 NSA POST RESTAURANT COUNCIL 2/3/1955 1 47270 FOLDER 045 A72356 41788049082706 FIXED CALL SIGNS AND SIGNAL SECURITY 4/18/1944 13 47270 FOLDER 347 A72358 41724929076420 TRAINING AREA AT NEW SITE 4/13/1954 1 47270 FOLDER 347 A72360 41725509076477 REQUIREMENTS FOR ADMINISTRATIVE TELEPHONE SYSTEM AT FORT MEADE 12/8/1953 1 47270 FOLDER 347 A72361 41725189076447 REQUIREMENTS FOR ADMINISTRATIVE TELEPHONE SYSTEM AT FORT MEADE 12/2/1953 3 47270 FOLDER 045 A72363 41718559075786 JOINT COMMUNICATIONS BOARD AD HOC COMMITTEE ON SECURITY OF COMMUNICATIONS EDUCATION IN COMMUNICATIONS SECURITY 3/28/1946 50 47270 FOLDER 045 A72365 41718619075791 REMARKS OF THE DEPUTY CHIEF OF STAFF REFERENCE SECURITY TO ARLINGTON HALL STATION, INCLUDING ALL DIVISIONS AND BRANCHES 2/11/1948 1 47270 FOLDER 496 A72371 41782999082206 TRANSMITTAL OF PHOTOGRAPHS 5/18/1956 46

UNCLASSIFIED 149 UNCLASSIFIED

47270 FOLDER 045 A72373 41718719075801 RELATIONSHIP BETWEEN COMMUNICATIONS INTELLIGENCE AND CRYPTOGRAPHIC SECURITY 1/1/1948 3 47270 FOLDER 347 A72377 41725279076458 WHERRY HOUSING CRITERIA FOR NSA PROJECT, FORT MEADE 12/7/1953 27 47270 FOLDER 496 A72379 41781329082038 POST-WAR DEVELOPMENT WORK ON CIPHERING DEVICES BY BORIS HAGELIN 1/26/1951 2 47270 FOLDER 496 A72380 41781269082032 EXTRACT FROM LETTER DATED 24 AUG 1950 FROM HAGELIN 8/24/1950 3 47270 FOLDER 495 A72383 41780949082000 FRIEDMAN MESSAGES FROM LONDON 5/31/1943 1 47270 FOLDER 495 A72385 41781169082022 COVER SHEET - AMERICAN EMBASSY, LONDON MESSAGES TO MILITARY INTELLIGENCE DIVISION, G-2, WAR DEPT, GEN STAFF 5/27/1943 1 47270 FOLDER 043 A72387 41788099082710 GOVERNMENT CODE AND CYPHER SCHOOL SECURITY DECLARATION 1/1/1941 2 47270 FOLDER 347 A72388 41726169076543 ORAL PRESENTATION BY GENERAL CANINE ON THE CONTEMPLATED MOVE 12/6/1951 3 47270 FOLDER 347 A72389 41728119076737 VINT HILL FARMS - EXISTING HOUSING FACILITIES FOR OFFICERS AND NON-COMS FAMILY HOUSING 10/3/1951 4 47270 FOLDER 347 A72390 41725409076467 MOVE OF AFSA TO NEW SITE 11/26/1951 1 47270 FOLDER 347 A72391 41724349076362 BLANKETY-BLANK - MOVE OF AFSA TO NEW SITE 10/31/1951 6 47270 FOLDER 042 A72392 41718769075807 GS-12 THRU GS-18 BY SENIORITY COB 30 NOVEMBER 1954 11/30/1954 30 47270 FOLDER 347 A72393 41725449076471 CERTAIN OBJECTIONS AGAINST THE PROPOSED MOVE TO FORT KNOX 10/19/1951 3 47270 FOLDER 347 A72396 41728159076742 COMPARISON OF ADVANTAGES AND DISADVANTAGES OF PROPOSED AFSA SITES 10/5/1951 21 47270 FOLDER 347 A72398 41725469076473 COMMUNICATIONS REQUIREMENTS FOR THE NEW AFSA SITE 8/10/1951 3 47270 FOLDER 041 A72399 41718839075812 LIST OF PERSONNEL; RANKED BY TIME IN GRADE 2/1/1955 2 47270 FOLDER 347 A72401 41726219076546 AFSA ORDER NO. 46-51 - MOVEMENT EXECUTIVE COMMITTEE 5/21/1951 1 47270 FOLDER 041 A72402 41718869075816 GS-12 THRU GS-18 BY SENIORITY COB 2/20/55 2/20/1955 34 47270 FOLDER 347 A72403 41726979076623 TELEPHONE REQUIREMENTS AT THE NEW AFSA PLANT 5/10/1951 3 47270 FOLDER 346 A72405 41728069076732 ORGANIZATION OF THE COUNTER-ESPIONAGE CENTER 10/29/1952 2 47270 FOLDER 495 A72408 41780929081998 SUBJECTS FOR DISCUSSION DURING LONDON VISIT 5/19/1943 1 47270 FOLDER 345 A72409 41727159076643 ALLIED (NATO) COMMUNICATIONS SECURITY, (USCIB 14/313) 8/20/1953 5 47270 FOLDER 038 A72421 41718919075821 COMPARISON OF NSA CIVILIAN GRADE STRUCTURE WITH OFFICER GRADE LIMITATION ACT OF 1954 6/11/1954 2 47270 FOLDER 344 A72422 41727019076627 SIGINT SERVICE TO SACEUR COMMANDS 1/15/1953 2 47270 FOLDER 038 A72423 41718939075823 NSA PERSONNEL POLICIES 6/4/1954 14 47270 FOLDER 495 A72425 41781039082009 BRITISH J CONFERENCE REVEALS THAT J SECTIONS ARE BEING SETUP TO ASSUME LARGE SCALE JOB AND ASSUME LEADERSHIP; FRIEDMAN CORRESPONDENCE FROM LONDON 5/19/1943 4 47270 FOLDER 344 A72426 41725019076430 PROPOSED INFORMAL AGREEMENT FOR DISSEMINATION OF COMINT TO SHAPE AND ITS SUBCOMMANDS 12/12/1952 9 47270 FOLDER 038 A72427 41718999075829 NSA PERSONNEL PROBLEMS; ORIGINAL CORRECTED COPY 1/1/1954 16 47270 FOLDER 344 A72429 41727079076637 COMINT SERVICE TO SHAPE AND ITS MAJOR SUBCOMMANDS 11/4/1952 6 47270 FOLDER 495 A72430 41780679081976 FUNCTIONAL SCHEME OF J OPERATION; FRIEDMAN CORRESPONDENCE FROM LONDON 5/20/1943 5 47270 FOLDER 344 A72431 41727519076677 ARRANGEMENTS FOR SHAPE "Y" CONFERENCE 8/3/1953 3 47270 FOLDER 038 A72432 41719059075834 MEMO FROM J.S. HOLTWICK; EXTRACTS FROM BROWNELL COMMITTEE REPORT 6/3/1954 6 47270 FOLDER 038 A72433 41719089075838 FIRST ECHELON SENIOR POSITIONS 6/4/1954 2 47270 FOLDER 344 A72434 41727409076667 UNITED STATES VIEWS ON SHAPE PROPOSALS FOR A SERVICE OF TACTICAL RADIO INTERCEPT INTELLIGENCE FOR SACEUR'S COMMAND 3/23/1953 1 47270 FOLDER 344 A72435 41727279076655 SHAPE "Y" PLANNING 5/12/1955 7 47270 FOLDER 038 A72436 41719149075844 ORGANIZATION OF THE NATIONAL SECURITY AGENCY; GENERAL ORDERS NO. 31 4/30/1954 2 47270 FOLDER 344 A72438 41727559076681 SHAPE "Y" APPROACHES 10/6/1954 8 47270 FOLDER 038 A72439 41719169075846 NSA PERSONNEL PROBLEMS 4/16/1954 2 47270 FOLDER 344 A72441 41727999076725 APPOINTMENT OF SHAPE "Y" OFFICER 7/8/1954 2 47270 FOLDER 038 A72442 41719219075851 QUESTIONS RE CIVILIAN AND MILITARY PERSONNEL AT NSA 4/16/1954 2 47270 FOLDER 344 A72443 41727899076715 SHAPE "Y" PLANNING APPROACH 2/25/1954 3 47270 FOLDER 344 A72444 41728959076821 RATIFICATION OF SHAPE "Y" CONFERENCE DECISIONS 2/23/1954 2 47270 FOLDER 038 A72445 41719249075854 EXTRACTS FROM THE BROWNELL BOARD REPORT 1/1/1954 4 47270 FOLDER 038 A72446 41719349075864 MEMORANDUM FOR COLONEL DAVIS FROM MR. FRIEDMAN 5/13/1954 1 47270 FOLDER 495 A72447 41780719081980 CHINESE LINGUISTS AND DAILY TRAFFIC INTAKE IN LONDON; FRIEDMAN CORRESPONDENCE FROM LONDON 5/20/1943 2 47270 FOLDER 495 A72448 41781109082016 IMPROVEMENT FOR POUCH DELIVERIES TO SPEED INTERCHANGE OF RAW MATERIAL BETWEEN LONDON AND WASHINGTON; FRIEDMAN CORRESPONDENCE FROM LONDON 5/20/1943 2 47270 FOLDER 038 A72449 41719379075867 HANDWRITTEN NOTES ON MORALE 1/1/1954 2 47270 FOLDER 038 A72450 41719409075870 HANDWRITTEN NOTES RE PERSONNEL 1/1/1954 2 47270 FOLDER 038 A72451 41719439075873 HANDWRITTEN NOTES RE VISIT 1/1/1954 1 47270 FOLDER 038 A72452 41719469075876 ALLEGED FAILURE OF NSA TO ACCUMULATE SUFFICIENT DEPTH TO SOLVE THE HIGH-LEVEL PROBLEMS 4/15/1954 2

UNCLASSIFIED 150 UNCLASSIFIED

47270 FOLDER 039 A72453 41719529075882 PRESENT SITUATION ON THE AFSAV D26 (SIGNAL INTERCEPT EQUIPMENT) 4/15/1954 1 47270 FOLDER 040 A72454 41719639075893 CHANGES INSIDE THE PENTAGON; , VOL. 32, NO. 1 1/1/1954 11 47270 FOLDER 343 A72466 41727609076687 INTERCEPT BASE RIGHTS 7/10/1953 3 47270 FOLDER 343 A72467 41728029076728 COMINT RELATIONS 7/15/1953 1 47270 FOLDER 343 A72468 41729029076828 U.S. COMINT EXCHANGE 7/7/1953 2 47270 FOLDER 495 A72469 41781019082007 GOSHO TRAFFIC; FRIEDMAN CORRESPONDENCE FROM LONDON 5/20/1943 1 47270 FOLDER 343 A72470 41727819076708 AUGMENTATION OF COMINT UNITS - 85TH USCIB MEETING 7/1/1953 1 47270 FOLDER 343 A72471 41728239076749 AUGMENTATION OF COMINT UNIT 3/23/1953 2 47270 FOLDER 495 A72472 41780999082005 FINDINGS ON ENEMY MERCHANT TRAFFIC TO AND FROM INDO CHINESE PENINSULA AND TO AND FROM SOUTH PACIFIC ISLANDS; FRIEDMAN CORRESPONDENCE FROM LONDON 5/20/1943 1 47270 FOLDER 343 A72473 41729049076830 NOTIFICATION TO LSIB OF COMINT NEGOTIATIONS 2/6/1953 1 47270 FOLDER 343 A72474 41728219076746 NOTIFICATION TO LSIB OF COMINT NEGOTIATIONS 1/22/1953 6 47270 FOLDER 343 A72475 41728849076811 U.S. COMINT RELATIONS 12/18/1952 5 47270 FOLDER 495 A72476 41780969082002 ACCESS TO PARK MATERIAL AT AIR MINISTRY FOR GEN. EISENHOWER'S WEEKLY AND PERIODIC SUMMARIES; FRIEDMAN CORRESPONDENCE FROM LONDON 5/21/1943 3 47270 FOLDER 342 A72477 41728669076791 BURMESE ARMY REQUEST TO PURCHASE U. S. RADIO D/F EQUIPMENT 8/5/1955 1 47270 FOLDER 495 A72479 41781089082014 REVISED FIGURES FOR PARK PERSONNEL; FRIEDMAN CORRESPONDENCE FROM LONDON 5/21/1943 1 47270 FOLDER 342 A72480 41728469076772 BURMESE ARMY REQUEST TO PURCHASE U.S. RADIO D/F EQUIPMENT 7/18/1955 2 47270 FOLDER 341 A72481 41728619076787 COMINT ACTIVITIES INVOLVING THIRD PARTIES 5/9/1955 4 47270 FOLDER 340 A72483 41728769076802 INTERCEPT SITE SURVEYS (GREENLAND/ICELAND AREA) 3/10/1955 3 47270 FOLDER 495 A72484 41781189082024 REASSIGNMENT OF TAYLOR TO BICHERS STAFF; FRIEDMAN CORRESPONDENCE FROM LONDON 5/21/1943 2 47270 FOLDER 495 A72488 41781079082012 TAYLOR TAKES OVER JOB OF REPORTING; FRIEDMAN CORRESPONDENCE FROM LONDON 5/21/1943 3 47270 FOLDER 495 A72491 41781219082027 BERKELEY STREET - ESTABLISHED OPERATION; FRIEDMAN CORRESPONDENCE FROM LONDON 5/21/1943 6 47270 FOLDER 495 A72492 41781309082036 RECORDS MAINTAINED AT BERKELEY STREET; FRIEDMAN CORRESPONDENCE FROM LONDON 5/21/1943 3 47270 FOLDER 495 A72495 41781059082010 INDEXING OF ALL CIRCULATED MATERIAL; FRIEDMAN CORRESPONDENCE FROM LONDON 5/22/1943 10 47270 FOLDER 495 A72497 41781149082020 INTELLIGENCE AND INFORMATION SECTION - MEMORANDUM FOR COLONEL DOUD; FRIEDMAN CORRESPONDENCE FROM LONDON 6/1/1943 2 47270 FOLDER 495 A72498 41781249082030 STATEMENT OF THE FUNCTIONS AND ACTIVITIES OF B 1 B (INTELLIGENCE SECTION); FRIEDMAN CORRESPONDENCE FROM LONDON 5/1/1943 7 47270 FOLDER 495 A72501 41783149082220 GERMAN POLICE TRAFFIC; FRIEDMAN CORRESPONDENCE FROM LONDON 5/22/1943 3 47270 FOLDER 495 A72502 41781449082050 RESULTS OF ALL BRITISH INTERCEPT ACTIVITIES IN DIPLOMATIC FIELD FOR SECOND HALF OF 1942; FRIEDMAN CORRESPONDENCE FROM LONDON 5/22/1943 5 47270 FOLDER 495 A72516 41781279082033 SUGGESTION TO MULTIPLY INFORMATION GATHERING AGENTS IN LONDON; FRIEDMAN CORRESPONDENCE FROM LONDON 5/21/1943 1 47270 FOLDER 495 A72517 41781819082087 INTEREST IN GENERAL POLICY DISCUSSIONS; FRIEDMAN CORRESPONDENCE FROM LONDON 5/21/1943 2 47270 FOLDER 495 A72545 41781359082042 JIG SECTION'S IMPRESSIVE EXPERIENCE AND ABILITY OF PERSONNEL; FRIEDMAN CORRESPONDENCE FROM LONDON 5/22/1943 10 47270 FOLDER 495 A72553 41782639082168 DIPLOMATIC TRAFFIC INTERCHANGE BETWEEN ARLINGTON AND BRITISH; FRIEDMAN CORRESPONDENCE FROM LONDON 5/22/1943 1 47270 FOLDER 495 A72560 41781639082069 NEED FOR DRAWINGS OF MODIFICATIONS TO BUSCH DEVICE; FRIEDMAN CORRESPONDENCE FROM LONDON 5/22/1943 3 47270 FOLDER 045 A72590 41719689075898 CHANGES IN DRAFT OF SECURITY STUDY 3/25/1949 1 47270 FOLDER 045 A72591 41719779075907 AGENDA FOR CONFERENCE ON SIGNAL SECURITY 1/1/1949 2 47270 FOLDER 045 A72594 41719829075912 STORAGE OF CLASSIFIED MATERIAL; 14 JUL 1953 7/14/1953 2 47270 FOLDER 495 A72600 41781389082044 TRAFFIC ENCIPHERED ON KRYHA MACHINE; FRIEDMAN CORRESPONDENCE FROM LONDON 5/23/1943 5 47270 FOLDER 495 A72602 41782539082160 NEW ENGLISH/JAPANESE DICTIONARY ON BILINGUAL PRINCIPLES; FRIEDMAN CORRESPONDENCE FROM LONDON 5/23/1943 2 47270 FOLDER 495 A72606 41781429082048 DEVELOPMENT OF TRAFFIC INTELLIGENCE TECHNIQUES; FRIEDMAN CORRESPONDENCE FROM LONDON 5/23/1943 1 47270 FOLDER 495 A72612 41781659082071 INFORMATION ON CRYPTOGRAPHIC METHOD; FRIEDMAN CORRESPONDENCE FROM LONDON 5/24/1943 7 47270 FOLDER 495 A72614 41782599082166 COVERAGE OF SPECIFIC CIRCUITS; FRIEDMAN CORRESPONDENCE FROM LONDON 5/25/1943 4 47270 FOLDER 495 A72616 41781489082054 MILITARY/COMBAT/COUNTER INTELLIGENCE; FRIEDMAN CORRESPONDENCE FROM LONDON 5/24/1943 6 47270 FOLDER 495 A72617 41781699082074 SAINT ALBANS INFORMATION FROM INTERCEPTS; FRIEDMAN CORRESPONDENCE FROM LONDON 5/25/1943 4 47270 FOLDER 495 A72619 41781469082052 INCOMING MESSAGE REGARDING GOSHO; FRIEDMAN CORRESPONDENCE FROM LONDON 5/25/1943 1 47270 FOLDER 495 A72620 41781509082056 INTERVIEW WITH COMMANDER SAUNDERS; FRIEDMAN CORRESPONDENCE FROM LONDON 5/25/1943 2 47270 FOLDER 495 A72621 41781889082094 DISTRIBUTION AND SECURITY AT SAINT ALBANS; FRIEDMAN CORRESPONDENCE FROM LONDON 5/25/1943 8 47270 FOLDER 495 A72622 41781849082090 NO COMMUNICATION BETWEEN FOREIGN OFFICES AND AMBASSADORS AND MINISTERS ABOUT DIPLOMATIC MATTERS OR MATERIALS; FRIEDMAN CORRESPONDENCE FROM LONDON5/25/1943 1 47270 FOLDER 044 A72629 41719859075914 FOLDER COVER TITLED "THE DIRECTOR OF NAVAL INTELLIGENCE, NAVY DEPARTMENT, WASHINGTON, D.C."; TAB: SECURITY LEAKS (FRIEDMAN) 1934-1941 11/19/1946 1 47270 FOLDER 044 A72632 41719869075915 MEMORANDUM FOR 20A RE IBM TABULATING EQUIPMENT BEING USED FOR CRYPTANALYTICAL PURPOSES 8/16/1937 1 47270 FOLDER 044 A72637 41719919075920 MEMORANDUM FROM OFFICE OF NAVAL OPERATIONS RE UNDESIRABLE PUBLICITY IN CONNECTION WITH CRYPTANALYTICAL ACTIVITIES BY GOVERNMENT AGENCIES 6/2/1934 1 47270 FOLDER 353 A72676 41728889076814 SCAMP 1953 4/2/1953 7

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47270 FOLDER 353 A72678 41728789076804 POSSIBLE SCAMP 1953 PARTICIPANTS 2/5/1953 4 47270 FOLDER 353 A72680 41728819076808 COMMENTS ON SCAMP 10/22/1952 16 47270 FOLDER 353 A72681 41728919076818 SECURITY CLEARANCES 10/2/1952 4 47270 FOLDER 353 A72682 41728689076794 REPORT OF OFFICE OF OPERATIONS PARTICIPANTS IN SCAMP 9/17/1952 2 47270 FOLDER 353 A72685 41728989076824 FISCAL ARRANGEMENTS FOR SCAMP 1953 11/5/1952 4 47270 FOLDER 353 A72686 41729079076833 SCAMP 1953 PARTICIPANTS; SCAMP 1953 PARTICIPANTS 1/16/1953 3 47270 FOLDER 353 A72690 41729099076835 SCAMP 1953 REVIEW OF PARTICIPANTS 12/18/1953 1 47270 FOLDER 353 A72692 41729129076839 SCAMP 1952 - SECURITY PLANNING 6/23/1952 6 47270 FOLDER 353 A72694 41729169076842 SCAMP 1952 - POST-SYMPOSIUM COMMENTS 10/6/1952 3 47270 FOLDER 348 A72696 41728739076799 COMSEC FUNCTION AND JURISDICTIONAL AUTHORITY 1/1/1953 2 47270 FOLDER 348 A72697 41728559076781 COMMUNICATION SECURITY 2/4/1953 9 47270 FOLDER 348 A72698 41728439076769 COMMUNICATION SECURITY (COMSEC) MATTERS 1/13/1953 2 47270 FOLDER 347 A72701 41728369076762 NEW SITE FOR AFSA 9/23/1952 9 47270 FOLDER 495 A72850 41781739082079 MISCELLANEOUS INFORMATION ON BERKELEY STREET BRAZILIAN AND PORTUGUESE SECTIONS; FRIEDMAN CORRESPONDENCE FROM LONDON 5/25/1943 2 47270 FOLDER 495 A72852 41782329082139 OSS LIAISON WITH SAINT ALBANS; FRIEDMAN CORRESPONDENCE FROM LONDON 5/25/1943 3 47270 FOLDER 495 A72854 41781929082098 THE SMALLER EUROPEAN ENEMIES; FRIEDMAN CORRESPONDENCE FROM LONDON 5/25/1943 2 47270 FOLDER 495 A72857 41782419082147 OBJECTIVE OF RESEARCH SECTION BERKELEY STREET; FRIEDMAN CORRESPONDENCE FROM LONDON 5/25/1943 2 47270 FOLDER 495 A72860 41781769082082 COMMERCIAL SECTION BENNISTONS SHOW LOCATED IN ALDFORD HOUSE, A FEW BLOCKS FROM BERKELEY STREET; FRIEDMAN CORRESPONDENCE FROM LONDON 5/25/1943 4 47270 FOLDER 495 A72864 41782439082150 SINKING OF REGENSBURG IN DENMARK; FRIEDMAN CORRESPONDENCE IN LONDON 5/26/1943 5 47270 FOLDER 495 A72866 41782479082154 COOPER'S SHOW REGARDING AIR MATERIAL; FRIEDMAN CORRESPONDENCE FROM LONDON 5/27/1943 7 47270 FOLDER 495 A72868 41782589082164 BRITISH INTELLIGENCE ACTIVITY ALLIED WITH PARK LISTENS TO GERMAN WESTERN FRONT AIR TO GROUND AND AIR TO AIR TRAFFIC; FRIEDMAN CORRESPONDENCE FROM LONDON5/27/1943 1 47270 FOLDER 495 A72869 41782369082142 OPERATIONS OF COOPERS PEOPLE AT SARK, IS RECONSTRUCTION OF INFORMATION ABOUT PRACTICES AND ACTIVITIES OF GERMAN NIGHT FIGHTER ORGANIZATION; FRIEDMAN CORRESPONDENCE5/27/1943 FROM LONDON3 47270 FOLDER 495 A72872 41782519082157 BRITISH CABLE INTERCEPT POINTS; FRIEDMAN CORRESPONDENCE FROM LONDON 5/27/1943 3 47270 FOLDER 495 A72879 41782959082201 SHIFT FROM COMMERCIAL CODE TO CLEAR; FRIEDMAN CORRESPONDENCE FROM LONDON 5/27/1943 4 47270 FOLDER 495 A72884 41782559082161 HIGHLIGHTS OF AN AGREEMENT INDICATE SUCCESS; FRIEDMAN CORRESPONDENCE FROM LONDON 5/27/1943 1 47270 FOLDER 495 A72889 41782879082193 MI-14 - GERMANY AND GERMAN OCCUPIED TERRITORY; FRIEDMAN CORRESPONDENCE FROM LONDON 5/20/1943 4 47270 FOLDER 495 A72890 41782389082144 INTERCEPTION OF CRYPTANALYTIC DATA ON FREE FRENCH; FRIEDMAN CORRESPONDENCE FROM LONDON 5/27/1943 1 47270 FOLDER 494 A72891 41782679082173 FRIEDMAN'S REPORT ON PEARL HARBOR - PART 3 OF 3 3/28/1957 75 47270 FOLDER 493 A72892 41782659082171 COLLABORATION WITH THE BRITISH IN THE COMMUNICATION INTELLIGENCE FIELD; FRIEDMAN LETTER TO COLONEL BIDWELL 11/8/1954 2 47270 FOLDER 493 A72894 41782779082183 CODE AND CIPHER CHAPTER OF DRAFT MID HISTORY COVERING PEACETIME YEARS (1919-1941); FRIEDMAN/BIDWELL CORRESPONDENCE 11/2/1954 1 47270 FOLDER 493 A72896 41782819082187 HISTORY OF THE MILITARY INTELLIGENCE DIVISION, DEPARTMENT OF THE ARMY GENERAL STAFF; FRIEDMAN/FROST CORRESPONDENCE 9/17/1954 1 47270 FOLDER 493 A72898 41782709082176 COMMENTS ON DRAFT OF "HISTORY OF THE MILITARY INTELLIGENCE DIVISION, DEPARTMENT OF THE ARMY GENERAL STAFF," (PART THREE); FROST/SMITH CORRESPONDENCE 12/10/1954 1 47270 FOLDER 493 A72900 41782739082179 COMMENTS ON "CODES AND CIPHERS," PP. 136-159; BIDWELL/ROBINETT CORRESPONDENCE 8/20/1954 1 47270 FOLDER 493 A72903 41782729082178 DRAFT COPY OF "HISTORY OF THE MILITARY INTELLIGENCE DIVISION, DEPARTMENT OF THE ARMY GENERAL STAFF"; CODES AND CIPHERS 8/12/1954 14 47270 FOLDER 492 A72904 41782839082189 HALL HERALD FRIEDMAN ARTICLE: WAR SERVICE WITH THIS AGENCY BRINGS MEDAL FOR MERIT TO ASA CIVILIAN CHIEF 3/22/1946 2 47270 FOLDER 491 A72912 41782799082185 INTERVIEW BY DR. DULANY TERRETT, CAPTAIN FREDERICK REINSTEIN OFFICE OF MILITARY HISTORY, OF MR. WILLIAM F. FRIEDMAN AND CAPTAIN MARK RHOADS, SIGNAL CORPS RESERVE5/17/1950 13 47270 FOLDER 491 A72915 41782759082181 INTERVIEW WITH FRIEDMAN BY THOMPSON AND HARRIS 2/16/1961 3 47270 FOLDER 491 A72916 41783059082211 INTERVIEW SIGC HIST DIV WITH COL. WILLIAM F. FRIEDMAN, WASHINGTON, D.C 2/16/1961 2 47270 FOLDER 490 A72921 41782919082197 LETTER TO GENERAL CHURCHILL FROM GEORGE FABYAN RE RIVERBANK 9/2/1919 3 47270 FOLDER 490 A72923 41783079082213 LETTER FROM GEORGE FABYAN TO GENERAL CHURCHILL REGARDING RIVERBANK 9/6/1919 1 47270 FOLDER 490 A72925 41783109082217 LETTERS BETWEEN YARDLEY, CHURCHILL, AND FABYAN REGARDING QUESTIONS OF PUBLICATION IN CONNECTION WITH CODES AND CIPHERS 9/9/1919 9 4053 ACC4053 A99645 41784389082344 LETTER TO GENERAL M. CHURCHILL FROM COLONEL FABYAN 9/2/1919 2 4053 ACC4053 A99648 41784399082345 LETTER TO GENERAL CHURCHILL FROM COLONEL FABYAN RE CIPHER ISSUES 9/6/1919 1 4053 ACC4053 A99653 41783809082286 LETTER TO MAJOR YARDLEY FROM BRIGADIER-GENERAL CHURCHILL; COPIES OF LETTERS TO COL FABYAN 9/9/1919 4 4053 ACC4053 A99658 41784419082347 LETTER TO GENERAL CHURCHILL FROM MAJOR YARDLEY; DISCUSSION OF RIVERBANK, COL FABYAN AND RUNNING KEY 9/15/1919 5 4124 ACC4124 A99666 41784239082329 CODES, CIPHERS, SECRET INKS, RADIO INTERCEPTION AND GONIOMETRY 4/22/1930 5 4125 ACC4125 A99668 41783949082301 RELATIONS BETWEEN THE ARMY SECURITY AGENCY AND THE SIGNAL CORPS; LECTURE GIVEN BY W.F. FRIEDMAN TO ASA OFFICERS COURSE, 10 FEBRUARY 1948 2/10/1948 15 4127 ACC4127 A99671 41783859082291 RESUME' OF WORK OF THE CODE AND CIPHER SECTION; WILLIAM F. FRIEDMAN CORRESPONDENCE 1/1/1921 2 4127 ACC4127 A99672 41783839082289 REPORT OF ARRIVAL AT LONDON; MEMORANDUM FROM W.F. FRIEDMAN TO CHIEF SIGNAL OFFICER 10/12/1928 1 4127 ACC4127 A99679 41784069082312 MEMORANDUM TO GENERAL CARR FROM W.F. FRIEDMAN RE CARR REQUEST 2/4/1932 1

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4127 ACC4127 A99685 41784009082306 ANNUAL REPORT OF THE DIRECTOR OF COMMUNICATIONS RESEARCH - W.F. FRIEDMAN 6/26/1944 2 4281 ACC4281 A99777 41783919082297 ARTICLE ENTITLED "A PIONEER IN CRYPTOLOGY" - W.F. FRIEDMAN 1/1/1970 8 4282 ACC4282 A99778 41783879082293 CLASSIFIED DOCUMENTS IN POSSESSION OF WILLIAM F. FRIEDMAN 12/5/1958 1 4282 ACC4282 A99780 41783909082296 RETRIEVAL OF CLASSIFIED AGENCY DOCUMENTS FROM HOME OF W.F. FRIEDMAN 1/2/1959 1 4282 ACC4282 A99783 41784059082311 CLASSIFICATION OF MATERIAL RECEIVED FROM MR. FRIEDMAN 2/6/1959 2 4282 ACC4282 A99786 41784089082314 MEMO FOR THE RECORD: MEETING TO DISCUSS CLASSIFICATION OF MATERIAL RECEIVED FROM MR. FRIEDMAN ON 30 DECEMBER 1958 4/17/1959 2 4282 ACC4282 A99790 41784029082308 NOTE TO DIRNSA RE DISCUSSION WITH W.F. FRIEDMAN AND CLASSIFIED DOCUMENTS HE RETAINED 5/22/1959 1 4282 ACC4282 A99794 41783989082303 INVENTORY OF W.F. FRIEDMAN FILES/MATERIAL TAKEN FROM HIS HOUSE 12/30/1958 10 8833 ACC8833 A99807 41784119082317 A HISTORICAL NOTE ON THE CLOSING OF THE "BLACK CHAMBER"; W.F. FRIEDMAN MEMORANDUM TO CAPTAIN DYER 3/19/1951 11 8971 ACC8971 A99863 41784379082343 EXAMINATION - THESIS SUBMITTED BY W.F. FRIEDMAN; THE DUTIES OF THE OFFICER-IN-CHARGE OF THE SIGNAL INTELLIGENCE SERVICE, GCHQ 11/20/1934 17 9002 ACC9002 A99873 41784259082331 LETTER TO W.F. FRIEDMAN CONCERNING THE ADFGVX CIPHER 9/18/1935 4 9002 ACC9002 A99874 41784189082324 NOTES ON ADFGVX SOLUTION 1/1/1935 1 9002 ACC9002 A99876 41784139082319 REPLY TO NOTES ON ADFGVX CIPHER 1/1/1935 1 9002 ACC9002 A99877 41784169082322 PERSONAL LETTER TO W.F. FRIEDMAN FROM C.M. (CHARLES MENDELSOHN) 8/1/1935 1 9002 ACC9002 A99879 41784209082326 LETTER TO W.F. FRIEDMAN DISCUSSING CIPHER WORK FROM CHARLES MENDELSOHN 3/16/1936 2 9002 ACC9002 A99881 41784339082339 LETTER TO W.F. FRIEDMAN FROM CHARLES MENDELSOHN DISCUSSING TECHNICAL PAPER AND ALPHABETS 8/2/1935 1 9002 ACC9002 A99884 41784309082335 LETTER TO W.F. FRIEDMAN FROM CHARLES MENDELSOHN 1/1/1935 2 9002 ACC9002 A99886 41784279082333 LETTER TO W.F. FRIEDMAN RE ADFGVX CIPHER ASSOCIATED WORK (FROM C. MENDELSOHN) 2/11/1936 2 9002 ACC9002 A99888 41784429082348 LETTER TO CHARLES MENDELSOHN FROM W.F. FRIEDMAN RE CRYPTOGRAPHY 9/5/1935 1 46131 ACC46131 A99891 41784469082352 NOTE TO DR. SANFORD FROM LT. PEARSON CITING MR. MANSON'S APOLOGY TO FRIEDMAN 9/1/1950 6

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