- Historia animalium (Aristotle)1
- Holy Cross1
- House of Burgundy, 1384-14771
- House of Valois, 1328-15891
- Hybrid books1
- Hymnals1
- Hymns, Latin (Medieval and modern)1
- Illumination of books and manuscripts, Carolingian1
- Illumination of books and manuscripts, Medieval1
- Illumination of books and manuscripts, Renaissance1
- Illustrated works1
- In Coena Domini bulls1
- Inheritance and succession (Roman law)1
- Innocent V, Pope, approximately 1224-12761
- Insertions (Production)1
- Introductions1
- Isagoge (Porphyry)1
- Israel1
- James, the Greater, Saint1
- Jeremiah (Biblical prophet)1