1218 SOURCES OF OFFICIAL INFORMATION Article Contributor Volume Page Transportation— The Development of Aviation in Canada. J. A. WILSON. 1938 710-712 The Trans-Canada Airway J. A. WILSON. 1938 713-715 Pre-War Civil Aviation and the Defence Program J. A. WILSON. 1941 608-612 Wartime Control of Transportation 1943-14 567-575 International Air Conferences 1945 642-644 The Wartime Role of the Steam Railways of Canada C. P. EDWARDS, O.B.E. 1945 648-651 Canada's Northern Airfields A. D. MCLEAN. 1945 705-712 United Nations- Canada and the United Nations C. S. A. RITCHIE. 1946 82-86 Canada and the United Nations 1948-49 122-125 Canada and the United Nations 1950 134-139 PART III.—REGISTER OF OFFICIAL APPOINTMENTS* The following list of official appointments continues that published in the 1951 Year Book, pp. 1181-1186, until Sept. 30, 1952. Governor General's Staff.—1951. June 7, Hon. John Robert Cartwright, Puisne Judge of the Supreme Court of Canada: to be Deputy of His Excellency the Governor General. 1952. Feb. 28, Joseph Francois Delaute: to be Deputy of His Excellency the Governor General. Superintendent Cyril Nordheimer Kenny-Kirk, of the Royal Canadian Mounted Police, Ottawa, Ont.: to be Honorary Aide-de-Camp to His Excellency the Governor General, effective Feb. 28, 1952. Mar. 6, The follow­ ing persons to be Deputies of His Excellency the Governor General: Rt. Hon. Thibaudeau Rinfret, LL.D., Hon. Patrick Kerwin, Hon. Robert Taschereau, LL.D., Hon. Ivan Cleveland Rand, Hon. Roy Lindsay Kellock, Hon. James Wilfred Estey. Mar. 31, Joseph Francois Delaute, Assistant Secretary to the Governor General: to be Secretary to the Governor General (Administrative) effective Apr. 1, vice Maj.-Gen. H. F. G. Letson, resigned. Lieutenant-Governors.—1952. July 31, Alistair Fraser: to be Lieutenant- Governor of the Province of Nova Scotia, effective Oct. 1, 1952. Deputy Ministers.—1951. Mar. 22, Maxwell Weir Mackenzie: to be Deputy Minister of Defence Production, effective Apr. 1, 1951. W. F. Bull: to be Deputy Minister of Trade and Commerce, effective Apr. 1, 1951. Mitchell W. Sharp: to be Associate Deputy Minister of Trade and Commerce, effective Apr. 1, 1951. July 24, Charles Gavsie, C.B.E., K.C.: to be Deputy Minister of National Revenue for Taxation, effective Aug. 1, 1951. 1952. Mar. 18, Leolyn Dana Wilgress: to be Under-Secretary of State for External Affairs, effective June 1, 1952. Mar. 21, Reginald McLaren Brophy: to be Deputy Minister of Defence Production, effective May 1, 1952, vice Maxwell Weir Mackenzie, resigned. Clerk of the Queen's Privy Council for Canada and Secretary to the Cabinet.—1952. Mar. 18, John Whitney Pickersgill, effective June 1, 1952. Royal Canadian Mounted Police Force.—1951. May 8, Leonard Hanson Nicholson, M.B.E.: to be Commissioner, effective May 1, 1951. •Ertracts from the Canada Gazette. .