- Geomancy2
- Ghazzālī, 1058-1111. Munfarijah2
- God (Islam)--Worship and love2
- Hadith--Terminology2
- Hadith--Texts2
- Hermetism2
- Hidāyah (Marghīnānī, ʻAlī ibn Abī Bakr)2
- Ibn Maʻṣūm, ʻAlī ibn Aḥmad, 1642-approximately 1707. Badīʻīyah2
- Ibn Qaḍīb al-Bān, ʻAbd Allāh ibn Muḥammad, -1684 or 1685. Dālīyah2
- Ibn al-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 1493-1564 or 1565. Mukhtaṣar al-Taḥrīr2
- 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
- Illumination of books and manuscripts, Iranian2
- Imāmʹzādah, Muḥammad ibn Abī Bakr, 1097 or 1098-1177 or 1178. Shirʻat al-Islām2
- Interfaith relations2
- Iran--Iṣfahān2
- 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