- Iran1
- Iran--Mashhad1
- Isfarāyīnī, Muḥammad ibn Muḥammad, -1285. Ḍawʼ al-Miṣbāḥ1
- Islamic calendar1
- Islamic law--Interpretation and construction1
- Islamic learning and scholarship1
- Iṣfahānī, Maḥmūd ibn ʻAbd al-Raḥmān, 1275 or 1276-1348 or 1349. Maṭāliʻ al-anẓār1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Sharḥ Farāʼiḍ al-Sirājīyah1
- Jurjānī, ʻAlī ibn Muḥammad, al-Sayyid al-Sharīf, 1340-1413. Ḥāshiyah ʻalá Maṭāliʻ al-anwār1
- Kaydānī. Maṭālib al-muṣallī1
- Khiḍr (Legendary character)1
- Language and languages--Philosophy1
- Mahdi1
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- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)1
- Mathematics, Greek1
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