- Cecco, d'Ascoli, 1269-13271
- Christopher, of Paris1
- Cornazzano, Antonio, 1429-14841
- Dati, Leonardo, 1408-14721
- Demosthenes1
- Diodorus, Siculus1
- Donzellini, Alessandro1
- Ephraem, Syrus, Saint, 303-3731
- Facino, Conte1
- Festus, Sextus Pompeius, 2nd cent1
- Ficino, Marsilio, 1433-14991
- Filelfo, Francesco, 1398-14811
- Fonte, Bartolommeo, 1445-15131
- Galvano de Padua, fl. 15th century1
- Giovanni, dalle Celle, ca. 1310-ca. 13961
- Gregory IX, Pope, ca. 1170-12411
- Gregory, of Rimini, d. 13581
- Guarino, Veronese, 1374-14601
- Guicciardini, Francesco, 1483-15401
- Ivani, Antonio, 1430-14821