- Free will and determinism--Religious aspects--Islam1
- Fuṣūṣ al-ḥikam (Ibn al-ʻArabī)1
- God (Islam)1
- God (Islam)--Name1
- Hadith (Shiites)1
- Hadith--Authorities1
- Hadith--Forgeries1
- Ibn Nujaym, Zayn al-Dīn ibn Ibrāhīm, -1563. Ṣaghāʼir wa-al-kabāʼir1
- Ibn Qāsim al-ʻAbbādī, Aḥmad, -approximately 1585. Sharḥ al-Waraqāt1
- Ibn al-Hāʼim, Aḥmad ibn Muḥammad, d. 1412. Tuḥfah al-qudsīyah fī al-farāʼiḍ1
- Ibn al-Murtaḍá, Aḥmad ibn Yaḥyá, 1363-1437. Miʻyār al-ʻuqūl fī ʻilm al-uṣūl1
- Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf, 1250-1325. Mabādiʼ al-wuṣūl ilá ʻilm al-uṣūl1
- Ibn al-Shahīd al-Thānī, al-Ḥasan, 1551 or 1552-1602 or 1603. Maʻālim al-dīn wa-malādh al-mujtahidīn1
- Ibn al-Sāʻātī, Aḥmad ibn ʻAlī, 1254-1294 or 1295. Badīʻ al-niẓām al-jāmiʻ bayna Kitāb al-Bazdawī wa-al-aḥkām1
- Ibn Ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 1566. Tuḥfat al-muḥtāj bi-sharḥ al-Minhāj1
- Ijtihād (Islamic law)1
- Immortality--Islam1
- Interest (Islamic law)1
- Iran1
- Iran--Dāmghān1