- Ildobrandini, Geronimo1
- Illegible markings1
- Illegitimacy2
- Illumination of books and manuscripts193
- Illumination of books and manuscripts, Carolingian1
- Illumination of books and manuscripts, Flemish2
- Illumination of books and manuscripts, French5
- Illumination of books and manuscripts, German2
- Illumination of books and manuscripts, Gothic16
- Illumination of books and manuscripts, Indic5
- Illumination of books and manuscripts, Iranian16
- Illumination of books and manuscripts, Italian3
- Illumination of books and manuscripts, Medieval6
- Illumination of books and manuscripts, Renaissance1
- Illumination of books and manuscripts--Technique1
- Illuminations5
- Illuminations (painting)60
- Illuminations (paintings)1
- Illusion (Philosophy)2
- Illustrated works16