LIST OF DOCUMENTS 1 Liber Diurnus Romanorum Pontificum .................................................................................................................................................................................................... End of the 8th century - beginning of the 9th century 2 Donation to the Church of San Pietro in Castello of Verona ................................................................................................................................................................... 809 May 13, Verona 3 Diploma of Emperor Otto I ...................................................................................................................................................................................................................... 962 February 13 4 Privilege of Leo IX .................................................................................................................................................................................................................................... 1051 October 11 5 Precept of Gisulph II, Prince of Salerno ................................................................................................................................................................................................... 1054 September, Salerno 6 Copy of the Register of John VIII ............................................................................................................................................................................................................. 1070-1075 7 Register of Gregory VII ............................................................................................................................................................................................................................ 11th century ex. 8 Concordat of Worms between Callixtus II and Emperor Henry V .......................................................................................................................................................... 1122 September 23, Worms 9 ἀντίγραμμα ǀ γραφή of Emperor John II Comnenus to Pope Innocent II about the Union of the Greek and the Latin Churches. ...................................................... 1139 June, Constantinople 10 Diploma of Emperor Frederick I .............................................................................................................................................................................................................. 1164 August 10, Pavia 11 Pax Veneta ................................................................................................................................................................................................................................................. 1177 July 22 - September 17 12 Diploma of Emperor Henry VI ................................................................................................................................................................................................................ 1195 April 27, Ortona 13 Register of the Diocese of Tivoli ............................................................................................................................................................................................................... 12th century 14 Registers of Innocent III ........................................................................................................................................................................................................................... 1198-1216 15 Diploma of Otto IV of Brunswick, King of the Romans .......................................................................................................................................................................... 1209 March 22, Spire 16 Register of Honorius III ........................................................................................................................................................................................................................... 1222-1224 17 Letter of the Emperor Frederick II ........................................................................................................................................................................................................... 1233 August 14, Enna 18 Letter of Bela IV, King of Hungary to Gregory IX ................................................................................................................................................................................... 1238 June 7, Zólyom 19 Letter of the Great Khān Güyük to Pope Innocent IV ............................................................................................................................................................................. 1246 November 11-13, Karakorum The safe conduct granted by Abaγa, Ilkahn of Persia, to a papal embassy returning to the West .............................................................................................................. 1267 (of 1279) November 20 Letter of the Caliph of Morocco, Abu Hafs ‘Umar al-Murtada ................................................................................................................................................................ 1250 June 10, Marrakesh 21 Notary Instrument certified by Brunetto Latini ........................................................................................................................................................................................ 1263 September 15, Arras - 1263 September 26, Paris 22 The Council of Lyons and Gregory X’s approval of ‘Ubi periculum’ .......................................................................................................................................................... 1274 July 13, Lyons 23 Letter of the Patriarch John XI Vekkos ..................................................................................................................................................................................................... 1277 April, Constantinople 24 A Medieval Accounts’ Book ...................................................................................................................................................................................................................... 1279-1285 25 Letter of the Sacred College of Cardinals to Pietro Morrone announcing his election as pontiff ............................................................................................................. 1294 July 11, Perugia 26 Three Documents from the Register of Boniface VIII .............................................................................................................................................................................. 1300-1314 27 Letter from the Nestorian Catholicos Yahballaha ..................................................................................................................................................................................... 1302 28 The Trial of the Knights Templar .............................................................................................................................................................................................................. 1308-1310 29 Notary Instrument of the Public Retraction of Meister Eckhart .............................................................................................................................................................. 1327 February 13, Köln 30 Petition of Francesco Petrarch to Clement VI........................................................................................................................................................................................... 1347 September 9, Avignon 31 The ‘Registrum’ of Cardinal Gil de Albornoz ............................................................................................................................................................................................ aa. 1355-1357 32 Papal dispensation for Giovanni Boccaccio ............................................................................................................................................................................................... 1360 November 2, Avignon 33 Leonardo Bruni and the Re-foundation of the University of Rome ......................................................................................................................................................... 1406 September 1, Rome 34 Sentence of the Council of Pisa deposing Benedict XIII and Gregory XII .............................................................................................................................................. 1409 June 5, Pisa 35 The Council of Constance ......................................................................................................................................................................................................................... 1413 December 9, Lodi - 1415 October 13, Constance 36 Decree of the Council of Florence for the Union of the Greek and Latin Churches ................................................................................................................................ 1439 July 6, Florence 37 ‘Collectanea’ of Documents of the Chancellery and of the Camera Apostolica compiled by Cardinal Nicolás Rossell (called the Cardinal ‘d’Aragona’) ........................ 1456