- Ibn Sharaf Shāh, Ḥasan ibn Muḥammad, 1247 or 1248-1315 or 1316. Wāfiyah fī sharḥ al-Kāfiyah1
- Inheritance and succession (Islamic law)1
- Intellect--Religious aspects--Islam1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ1
- Ishārāt wa-al-tanbīhāt (Avicenna)1
- Islam and politics1
- Islam--Rituals1
- Islamic cosmology1
- Islamic countries1
- Islamic eschatology1
- Islamic etiquette1
- Islamic interpretations of Jesus Christ1
- Islamic learning and scholarship1
- Islamic sects1
- Israel--Acre1
- Judges (Islamic law)1
- Jumʻah1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Sharḥ Mukhtaṣar al-Muntahá1
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- Khiḍr (Legendary character)1