Frederick II, Holy Roman Emperor, 1194-1250.; Innocent III, Pope, 1160 or 1161-1216.; Honorius III, Pope, -1227.; Gregory IX, Pope, approximately 1170-1241.; Innocent IV, Pope, approximately 1200-1254.; Urban IV, Pope, approximately 1200-1264.; Alexander IV, Pope, -1261.; Eugene IV, Pope, 1383-1447, addressee.
Alban,; Sanudo, Marino, approximately 1260-1343. De modo recuperationis terre sancte et eius fideli conscilio.; Peregrinus, de Sancto Vito, scribe.; Brocardus, Teutonicus.
Sixtus IV, Pope, 1414-1484.; Eugene IV, Pope, 1383-1447.; Paul II, Pope, 1417-1471.; Pius II, Pope, 1405-1464.; Innocent VII, Pope, 1336-1406.; Innocent VIII, Pope, 1432-1492.; Wassonius, Natalis, scribe.; Petrus, de Vincentia
Maximilian II, Holy Roman Emperor, 1527-1576, addressee.; Pius V, Pope, 1504-1572, addressee.; North, Frederick, Earl of Guilford, 1766-1827, former owner.; Phillipps, Thomas, Sir, 1792-1872, former owner.