- Ishārāt wa-al-tanbīhāt (Avicenna)1
- Islam2
- Islam--Customs and practices1
- Islam--Doctrines21
- Islamic Empire4
- Islamic countries1
- Islamic law5
- Islamic learning and scholarship2
- Islamic philosophy35
- Islamic sermons, Arabic1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār1
- Jewish philosophy1
- Judaism1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Miṣbāḥ fī sharḥ al-Miftāḥ1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Maṭāliʻ al-anwār1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah2
- Jīlī, ʻAbd al-Karīm ibn Ibrāhīm, 1365 or 1366- Risālat al-Tawḥīd1
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)1
- Knowledge, Theory of (Islam)1
- Kāfiyah (Ibn al-Ḥājib, ʻUthmān ibn ʻUmar)1