- Illinois--Chicago4
- Illumination of books and manuscripts8
- Illumination of books and manuscripts, Gothic1
- Illumination of books and manuscripts, Renaissance2
- Illustrated works2
- Indians of Mexico--Legal status, laws, etc.1
- Indians, Treatment of2
- Inheritance and succession2
- Initials2
- Inquisition3
- Inscriptions3
- Inscriptions, Latin1
- Insertions (Production)1
- Interfaith relations1
- International relations3
- Isabella I, Queen of Spain, 1451-15045
- Isagoge (Porphyry)2
- Isidore, of Seville, Saint, -6361
- Islam1
- Islamic cosmology1