- Iraq--Baghdad1
- Ishārāt wa-al-tanbīhāt (Avicenna)1
- Islam and politics1
- Islam--Customs and practices1
- Islam--Prayers and devotions1
- Islam--Terminology1
- Islamic bindings1
- Islamic eschatology1
- Islamic etiquette1
- Islamic illumination of books and manuscripts1
- Islamic interpretations of Jesus Christ1
- Islamic law--Interpretation and construction1
- Islamic magic1
- Islamic sermons, Arabic1
- Islamic stories1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār1
- Jawharī, Ismāʻīl ibn Ḥammād, -1003? Tāj al-lughah wa-ṣiḥāḥ al-ʻArabīyah1
- Jaʻbarī, Ibrāhīm ibn ʻUmar, 1242 or 1243-1331 or 1332. Wāḍiḥah fī tajwīd al-Fātiḥah1
- Judges (Islamic law)1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah1