- Islamic religious education2
- Islamic shrines2
- Isnawī, ʻAbd al-Raḥīm ibn al-Ḥasan, 1305-1370. Sharḥ al-Minhāj2
- Italian rotunda (script)2
- Italy--Mazara del Vallo2
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-qawāʼid fī sharḥ Tajrīd al-ʻaqāʼid2
- Jalāl al-Dīn Rūmī, Maulana, 1207-12732
- Jawī Zādah, Muḥammad ibn Ilyās, -1547 or 1548. Risālah fī al-masḥ ʻalá al-khuffayn2
- Jaʻbarī, Ṣāliḥ ibn Thāmir, d. 1306. Naẓm al-laʼālī2
- Jerome, Saint, -419 or 4202
- Jewish astronomy2
- Jewish magic2
- Jewish marriage customs and rites2
- Jewish martyrs2
- Jewish merchants2
- Jewish religious education2
- Jewish sermons, Hebrew2
- Jewish statesmen2
- Jews--Persecutions2
- Jihad2