- God (Islam)--Worship and love4
- Hair--Religious aspects--Islam4
- Hamza Efendi, active 17th century. Risālah fī ḥaqq al-bayʻ wa-al-shirāʼ4
- Hermeneutics4
- Ibn Bābawayh al-Qummī, Muḥammad ibn ʻAlī, 918 or 919-991 or 992. Man lā yaḥḍuruhu al-faqīh4
- Ibn al-Muṭahhar al-Ḥillī, al-Ḥasan ibn Yūsuf, 1250-1325. Tahdhīb al-wuṣūl ilá ʻilm al-uṣūl4
- Ijtihād (Islamic law)4
- India--Hyderabad4
- Intention--Religious aspects--Islam4
- Iraq4
- Islam and philosophy4
- Islamic literature4
- Istiṣḥāb (Islamic law)4
- Italy4
- Iʻrāb ʻan qawāʻid al-iʻrāb (Ibn Hishām, ʻAbd Allāh ibn Yūsuf)4
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār4
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá4
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Shamsīyah4
- Kanz al-daqāʼiq (Nasafī, ʻAbd Allāh ibn Aḥmad)4
- Land tenure--Law and legislation4