- Hymnals2
- Hymns10
- Hymns, French1
- Hymns, Kekchi1
- Hymns, Latin4
- Hymns, Latin (Medieval and modern)15
- Hymns--Devotional use1
- Hypothesis1
- Illegible markings1
- Illinois--Chicago9
- Illumination of books and manuscripts26
- Illumination of books and manuscripts, Flemish1
- Illumination of books and manuscripts, French3
- Illumination of books and manuscripts, German1
- Illumination of books and manuscripts, Gothic11
- Illumination of books and manuscripts, Italian3
- Illumination of books and manuscripts, Medieval4
- In Coena Domini bulls1
- Incarnation1
- Indians of Mexico--Missions1