- Jews--Conversion to Christianity1
- Jews--Legal status, laws, etc.1
- Jews--Persecutions1
- John II, King of Portugal, 1455-14951
- John, Duke of Burgundy, 1371-14191
- John, the Baptist, Saint1
- Joseph (Son of Jacob)1
- Judaism--Controversial literature1
- Judaism--Doctrines1
- Judeo-Arabic literature1
- Judeo-Persian language1
- Judges (Islamic law)1
- Judgment Day1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Sharḥ mushkilāt al-Kashshāf1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Taḥrīr al-Qawāʻid al-manṭiqīyah1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá al-Sharḥ al-Muṭawwal1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá sharḥ Tajrīd al-iʻtiqād1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. ḥāshiyah ʻalá Lawāmiʻ al-asrār1
- Jāmiʻ al-Muẓaffarī (Damascus, Syria)1
- Khabbāzī, ʻUmar ibn Muḥammad, 1231 or 2-1292. Mughnī fī uṣūl al-fiqh1