- Ibn Ṭūlūn, Shams al-Dīn Muḥammad ibn ʻAlī, 1475-15461
- Ibrāhīm, Pasha, 1789-18481
- Idols and images5
- Idra rabba2
- Idra zuta1
- Ijmāʻ (Islamic law)1
- Ijtihād (Islamic law)3
- Ikmāl (Ibn Mākūlā, ʻAlī ibn Hibat Allāh)1
- Ildephonsus, Saint, approximately 610-6671
- Ildobrandini, Geronimo1
- Illegible markings1
- Illegitimacy1
- Illinois--Chicago20
- Illumination of books and manuscripts38
- Illumination of books and manuscripts, Arab2
- Illumination of books and manuscripts, French1
- Illumination of books and manuscripts, Iranian3
- Illumination of books and manuscripts, Italian3
- Illumination of books and manuscripts, Medieval1
- Illumination of books and manuscripts, Mexican1