- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh1
- 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-Najjār, Taqī al-Dīn Muḥammad ibn Aḥmad, 1492 or 3-1564 or 5. Muntahá al-irādāt1
- Ibn al-Shihnah, Abū al-Walīd Muḥammad ibn Muḥammad, 1348-1412. Manẓūmah fī al-farāʼiḍ1
- Ibn ḥajar al-Haythamī, Aḥmad ibn Muḥammad, approximately 1503-approximately 15666. Iʻlām li-qawāṭiʻ al-Islām1
- Imāmʹzādah, Muḥammad ibn Abī Bakr, 1097 or 1098-1177 or 1178. Shirʻat al-Islām1
- Interest (Islamic law)1
- Iqnāʼ (Ḥujāwī, Mūsá ibn Aḥmad)1
- Islam and justice1
- Islam--Customs and practices1
- Islam--Doctrines1
- Islamic ethics1
- Islamic etiquette1
- Islamic philosophy1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá1
- Justice--Religious aspects--Islam1
- Kaydānī. Risālah fī al-mashrūʻāt wa-ghayr al-mashrūʻāt1
- Kāfī al-mubtadiʼ min al-ṭullāb (Ibn Balabān, Muḥammad ibn Badr al-Dīn)1