- Illumination of books and manuscripts13
- Illumination of books and manuscripts, Carolingian1
- Illumination of books and manuscripts, French5
- Illumination of books and manuscripts, Gothic3
- Illumination of books and manuscripts, Medieval1
- Illumination of books and manuscripts, Renaissance1
- Illustrated works1
- In Coena Domini bulls1
- Inheritance and succession1
- Inheritance and succession (Roman law)1
- Initials5
- Innocent V, Pope, approximately 1224-12761
- Inscriptions30
- Insertions (Production)1
- Introductions1
- Isagoge (Porphyry)1
- Isidore, of Seville, Saint, -636. Etymologiae1
- Israel1
- Italian (culture or style)3
- Italy5