- Geography, Ancient1
- Glossaries, vocabularies, etc.1
- Goatskin bindings1
- Graduals1
- Gregory I, Pope, approximately 540-6041
- Grisaille painting1
- Happiness1
- Historia animalium (Aristotle)1
- History of Biblical events1
- History--Sources1
- Holy Cross1
- Hybrid books1
- Hymnals1
- Hymns, Latin (Medieval and modern)1
- Illumination of books and manuscripts, Carolingian1
- Illumination of books and manuscripts, Renaissance1
- Illustrated works1
- In Coena Domini bulls1
- Inheritance and succession (Roman law)1
- Innocent V, Pope, approximately 1224-12761