- Illumination of books and manuscripts, Batak6
- Imāmʹzādah, Muḥammad ibn Abī Bakr, 1097 or 1098-1177 or 1178. Shirʻat al-Islām6
- India--Mughal Empire6
- Inheritance and succession (Jewish law)6
- Insertions (Provenance)6
- Intercessory prayer--Judaism6
- Iraq--Mosul6
- Irshād al-adhhān ilá aḥkām al-īmān (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)6
- Islamic interpretations of Adam6
- Islamic sects6
- Italian language6
- Italian rotunda (script)6
- Italy--Bologna6
- Italy--Piacenza6
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār6
- James, the Greater, Saint6
- Joseph (Son of Jacob)6
- Jugurthine War (111-105 B.C.)6
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Miṣbāḥ fī sharḥ al-Miftāḥ6
- Khiḍr (Legendary character)6