- Islam and philosophy4
- Islamic literature4
- Islamic miniature painting4
- Islamic poetry, Persian4
- Islamic poetry, Turkish4
- Istiṣḥāb (Islamic law)4
- Italy--Fucecchio4
- Italy--Moncalvo4
- Italy--Siena (Province)4
- Italy--Vercelli4
- Italy--Verona4
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār4
- Jewish women--Religious life4
- Jews--Charities4
- Jews--Legal status, laws, etc.4
- John, the Apostle, Saint4
- Judaism--Controversial literature4
- Judaism--Doctrines4
- Julius III, Pope, 1487-15554
- Karaites (Jewish law)4