- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tashyīd al-Qawāʻid1
- Jacopo, Bernardo di1
- Jacopo, Giovanni di1
- Jaghmīnī, Maḥmūd ibn Muḥammad, -1221?1
- Japan1
- Jean, de Verdun1
- Jewish Rebellion (66-73 A.D.)1
- Jewish ethics in literature1
- Jewish religious poetry1
- Jews--Legal status, laws, etc.1
- Jews--Persecutions1
- Jiří, z Poděbrad, King of Bohemia, 1420-14711
- Joannes de Caligariis1
- Job (Biblical figure)1
- John, the Baptist, Saint1
- Joseph (Son of Jacob)1
- Judaism--Doctrines1
- Judaism--Roman rite1
- Judaism--Roman rite--Liturgy1