- Japan1
- Japanese poetry1
- Jaʻbarī, Arslān ibn Yaʻqūb, -1300. Risālat al-tawḥīd1
- Jesuit drama, Spanish1
- Jewish astronomy1
- Jewish courts1
- Jewish interpretations of Jesus Christ1
- Jewish magic1
- Jewish religious poetry, Judeo-Arabic1
- Jews--Medicine1
- Jews--Persecutions1
- John I, King of Portugal, 1357-14331
- Joseph Della Reina, active 15th century1
- Juana, of Austria, Princess of Portugal, 1535-15731
- Judaism--Liturgy--Texts1
- Judeo-Arabic language1
- Jāmiʻ al-Muẓaffarī (Damascus, Syria)1
- Jāmiʻ al-ṣaḥīḥ (Muslim ibn al-Ḥajjāj al-Qushayrī)1
- Jāmī, 1414-1492. Tafsīr al-fātiḥah al-sharīfah1
- Kanz al-daqāʼiq (Nasafī, ʻAbd Allāh ibn Aḥmad)1