- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh3
- Ibn al-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 3-1564 or 5. Muntahá al-irādāt3
- Ibn al-ʻArabī, 1165-12403
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzʹhat al-naẓar fī tawḍīḥ Nukhbat al-fikar3
- Intellectual life3
- Iran--Shīrāz3
- Ishārāt wa-al-tanbīhāt (Avicenna)3
- Islam and politics3
- Islamic literature3
- Islamic poetry, Arabic3
- Islamic sects3
- Islamic stories3
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Tasdīd al-ʻaqāʼid fī sharḥ Tajrīd al-qawāʻid3
- Judgment Day (Islam)3
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)3
- Lacquered bindings3
- Leather doublures3
- Legal documents3
- Mahdi3
- Maqdisī, Muḥammad ibn ʻAlī, d. 1417. Niẓām al-mudhahhab fī mufradāt al-madhhab3