- Hymns, German1
- Hymns, Kekchi1
- Hymns, Latin2
- Hymns, Latin (Medieval and modern)13
- Hymns--Devotional use1
- Illumination of books and manuscripts28
- Illumination of books and manuscripts, French3
- Illumination of books and manuscripts, Gothic1
- Illumination of books and manuscripts, Italian1
- Illumination of books and manuscripts, Medieval2
- Incarnation1
- Indexes2
- Indian cartography3
- Indians of Central America2
- Indians of Central America--Missions1
- Indians of Central America--Taxation1
- Indians of Mexico--Land tenure3
- Indians of Mexico--Legal status, laws, etc.2
- Indians of Mexico--Missions2
- Indians of Mexico--Religion1