- Georgius, of Vicomercato1
- Germany--Halberstadt1
- Gertrude, of Nivelles, Saint, 626-6591
- Gervasius, Saint and Martyr1
- Gian Galeazzo Sforza, Duke of Milan, 1469-14941
- Girdle books1
- God--Knowableness1
- God--Name1
- Goths1
- Graphs1
- Greece--Cephalonia (Municipality)1
- Greek literature--Translations into Latin1
- Gregory I, Pope, approximately 540-6041
- Gritti, Andrea, 1455-15381
- Guidiccioni, Giovanni, 1500-15411
- Haimo, of Auxerre, -approximately 8551
- Handbooks and manuals1
- Harville, Philippe de, active 15291
- Harville, Pierre de.--l. 15631
- Hieronymites1