- Ibn al-Ḥājib, ʻUthmān ibn ʻUmar, 1175-1249. Shāfiyah fī al-taṣrīf1
- Ibn ʻAllān, Muḥammad ʻAlī ibn Muḥammad, 1588-1648. Ḍawābiṭ al-taqṭīʻ1
- Ibn ʻUmrān, Muḥammad ibn Mūsá, 1392-14691
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Fatḥ al-mubīn li-sharḥ al-Arbaʻīn1
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Iʻlām bi-qawāṭiʻ al-Islām1
- Illegible markings1
- Illumination of books and manuscripts, Iranian1
- Illumination of books and manuscripts, Turkish1
- Illustrated works1
- Indexes1
- India1
- Inlays1
- Insertions (Provenance)1
- Intellect--Religious aspects--Islam1
- Interfaith relations1
- Iran--Dizfūl1
- Iran--Tabrīz1
- Iran--Ārān va Bīdgul1
- Iraq--Baghdad1
- Isbījābī, Aḥmad ibn Manṣūr, -approximately 1087. Sharḥ al-Mukhtaṣar fī al-fiqh1