- Dunquzī, ʻAbd Allāh, active 17th century. Bināʼ al-afʻāl3
- Durar al-ḥukkām (Hüsrev, Molla)3
- Durr al-mukhtār (Ḥaṣkafī, Muḥammad ibn ʻAlī)3
- Education3
- Elements (Euclid)3
- Food--Religious aspects--Islam3
- Geography3
- God (Islam)--Worship and love3
- Hadith--Prophecies3
- Handbooks and manuals3
- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh3
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzʹhat al-naẓar fī tawḍīḥ Nukhbat al-fikar3
- Ijtihād (Islamic law)3
- Imamate3
- Insertions (Provenance)3
- Iraq3
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubb al-albāb fī ʻilm al-iʻrāb3
- Islamic occultism3
- Islamic sects3
- Istiṣḥāb (Islamic law)3