- Hilarion, Saint, approximately 291-approximately 3711
- Humorous poetry, German1
- Illinois--Chicago1
- Illumination of books and manuscripts1
- Immortality--Christianity1
- Italy--Assisi1
- Jesus Christ1
- John, the Apostle, Saint1
- Julian, of Eclanum, Bishop, 380-approximately 4551
- Kyi︠e︡vo-Pechersʹka lavra1
- Liturgical books1
- Lombards1
- Malchus, Saint1
- Manicules1
- Manuscripts1
- Manuscripts, English (Middle)1
- Manuscripts, French1
- Manuscripts, German1
- Manuscripts, Syriac1
- Margaret, of Antioch, Saint1