- Gregorian chants5
- Gregory IX, Pope, approximately 1170-12412
- Gregory XIII, Pope, 1502-15851
- Gregory XV, Pope, 1554-16231
- Gregory, of Nazianzus, Saint2
- Guglielmo, da Varignana, approximately 1270-13391
- Guillaume d'Orange (Chansons de geste)1
- Half bindings1
- Handbooks and manuals3
- Harmonies (Reference works)1
- Hayashi, Shihei, 1738-1793. Sangoku tsūran zusetsu1
- Henry VII, King of England, 1457-15091
- Hindu mantras1
- Hinduism1
- Historical geography1
- Historiography4
- History50
- History of Biblical events2
- History, Ancient2
- History--Sources1