- Ishrāqīyah1
- Islam1
- Islam--Rituals1
- Islamic Empire1
- Islamic eschatology1
- Islamic sermons, Arabic1
- Isra' and Mi`raj of the Prophet Muhammad1
- Istiṣḥāb (Islamic law)1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār1
- Jidd Ḥafṣī, ʻAlī ibn Luṭf Allāh, active 17th century-18th century1
- Jārūdī, Nāṣir ibn Muḥammad, active 18th century1
- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Khuzāʻī, Diʻbil ibn ʻAlī, 765 or 766-860 or 861. Qaṣīdah1
- Kinship (Islamic law)1
- Knowledge, Theory of (Islam)1
- Loans (Islamic law)1
- Mahdi1
- Malikites1
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