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- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Fatḥ al-mubīn li-sharḥ al-Arbaʻīn2
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzhat al-naẓar fī tawḍīḥ Nukhbat al-fikar2
- Ijtihād (Islamic law)2
- India--Hyderabad2
- India--Mughal Empire2
- Interest (Islamic law)2
- Irshād al-adhhān ilá aḥkām al-īmān (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)2
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ2
- Ishārāt wa-al-tanbīhāt (Avicenna)2
- Iskandarnāmah (Niẓāmī Ganjavī)2
- Islam--Miscellanea--Early works to 18002
- Islamic astrology2
- Islamic poetry, Turkish2
- Islamic sects2
- Israel--Acre2
- Japan2
- Judaism2
- Judges (Islamic law)2
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Ḥikmat al-ʻayn2