- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Tuḥfat al-muḥtāj bi-sharḥ al-Minhāj3
- Ibn Ḥajar al-ʻAsqalānī, Aḥmad ibn ʻAlī, 1372-1449. Nuzʹhat al-naẓar fī tawḍīḥ Nukhbat al-fikar3
- Illumination of books and manuscripts3
- Illumination of books and manuscripts, Iranian3
- Interest (Islamic law)3
- Iran--Ardabīl3
- Iran--Tehran3
- Iraq--Karbalāʼ3
- Irshād al-adhhān ilá aḥkām al-īmān (Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf)3
- Isfarāyīnī, Muḥammad ibn Muḥammad, d. 1285. Lubb al-albāb fī ʻilm al-iʻrāb3
- Ishrāqīyah3
- Islam--Apologetic works3
- Islam--Terminology3
- Islamic interpretations of Jesus Christ3
- Islamic interpretations of sacred works3
- Jaʻbarī, Arslān ibn Yaʻqūb, -1300. Risālat al-tawḥīd3
- Jinn3
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Sharḥ khuṭbah al-Quṭbīyah3
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Lawāmiʻ al-asrār3
- Kanz al-wuṣūl ilá maʻrifat al-uṣūl (Bazdawī, ʻAlī ibn Muḥammad)3