- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 1243-1331 or 1332. Wāḍiḥah fī tajwīd al-Fātiḥah2
- Jaʻfar al-Ṣādiq, 702?-765 or 7662
- Jean, de Verdun1
- Jerome, Saint, -419 or 4204
- Jerónima de la Asunción, madre, 1555-16301
- Jesuit drama, Latin (Medieval and modern)1
- Jesuit drama, Spanish1
- Jesuits5
- Jesus Christ74
- Jesus Christ--Biography1
- Jesus Christ--Teachings1
- Jewelled bindings1
- Jewelry2
- Jewish (culture or style)2
- Jewish astronomy5
- Jewish diaspora1
- Jewish illumination of books and manuscripts1
- Jewish law3
- Jewish magic1
- Jewish philosophy2