- Hair--Removal2
- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh2
- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfiyah fī sharḥ al-Kāfiyah2
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Fatḥ al-mubīn li-sharḥ al-Arbaʻīn2
- Ijtihād (Islamic law)2
- India2
- India--Hyderabad2
- Intention--Religious aspects--Islam2
- Interest (Islamic law)2
- Iran--Iṣfahān2
- Iran--Mashhad2
- Islam and politics2
- Islam--Apologetic works2
- Islamic cosmology2
- Islamic interpretations of Adam2
- Isnawī, ʻAbd al-Raḥīm ibn al-Ḥasan, 1305-1370. Sharḥ al-Minhāj2
- Judaism2
- Jurisprudence2
- Kashshāf (Zamakhsharī, Maḥmūd ibn ʻUmar)2
- Khaṣṣāf, Aḥmad ibn ʻUmar, d. 874 or 5. Adab al-qāḍī2