- Italy--Casale Monferrato2
- Italy--Mantua2
- Italy--Vercelli2
- Iʻrāb ʻan qawāʻid al-iʻrāb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)2
- Jainism--Prayers and devotions2
- Jewish festival-day sermons2
- Jewish hymns2
- Jewish religious poetry, Judeo-Arabic2
- Jewish women2
- Jews--Medicine2
- Jews--Persecutions2
- Joseph (Son of Jacob)2
- Judeo-Persian literature2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Ḥikmat al-ʻayn2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. ḥāshiyah ʻalá Sharḥ Shamsīyah2
- Jānakīnātha Bhaṭṭācārya, active 16th century. Nyāyasiddhāntamañjarī2
- Kings and rulers--Religious aspects2
- Kirmāstī, Yūsuf ibn ḥusayn, d. 1500. Wajīz fī al-uṣūl2
- Kāfī (Kulaynī, Muḥammad ibn Yaʻqūb)2