- Illegible markings1
- Illumination of books and manuscripts, Arab1
- Illumination of books and manuscripts, Gothic1
- Illumination of books and manuscripts, Iranian1
- Illumination of books and manuscripts, Mosan1
- Illustrated works1
- Incantations, Hebrew1
- India--Goa (State)1
- Indians of Mexico--Land tenure1
- Indians of Mexico--Legal status, laws, etc.1
- Indians of Mexico--Religion1
- Indians of Mexico--Social life and customs1
- Indians of South America--Legal status, laws, etc.1
- Indians of the West Indies1
- Indulgences1
- Inglis, Esther, 1571-16241
- Innocent IV, Pope, approximately 1200-12541
- Intabulations1
- Intabulations (Lute)1
- Interest (Islamic law)1