- Hymnals1
- Hymns, Latin1
- Hymns, Latin (Medieval and modern)1
- Illinois--Chicago4
- Illumination of books and manuscripts8
- Illumination of books and manuscripts, French4
- Illumination of books and manuscripts, Gothic6
- Illumination of books and manuscripts, Medieval2
- Illumination of books and manuscripts, Renaissance1
- Indulgences1
- Inheritance and succession4
- Initials3
- Ink stamps1
- Innocent III, Pope, 1160 or 1161-12161
- Inscriptions31
- Insertions (Production)1
- International relations6
- Isidore, of Seville, Saint, -636. Etymologiae1
- Italian (culture or style)4
- Italy13