- Illumination of books and manuscripts, Iranian3
- Indian cartography3
- Indians of Central America3
- Isabella I, Queen of Spain, 1451-15043
- Islam and philosophy3
- Islamic eschatology3
- Islamic occultism3
- Islamic sermons, Arabic3
- Italy--Ancona3
- Italy--Bologna3
- Italy--Parma3
- Italy--Sarteano3
- Italy--Sicily3
- James, the Greater, Saint3
- Judaism3
- Julius III, Pope, 1487-15553
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah3
- Karaite law3
- Karaites (Jewish law)3
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)3