- Glossaries, vocabularies, etc.2
- Ibn al-Nafīs, ʻAlī ibn Abī al-Ḥazm, 1210 or 1211-1288. Mūjaz fī al-ṭibb2
- Interfaith relations2
- Islam--Rituals2
- Islamic cosmology2
- Islamic eschatology2
- Islamic ethics2
- Islamic poetry, Arabic2
- Italy2
- Iẓhār al-asrār (Birgivî Mehmet Efendi)2
- Judgment Day (Islam)2
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)2
- Liturgics2
- Mabādiʼ fī al-taṣrīf (Zanjānī, ʻAbd al-Wahhāb ibn Ibrāhīm)2
- Malikites2
- Manuscripts, Persian2
- Manār al-anwār fī al-uṣūl (Nasafī, ʻAbd Allāh ibn Aḥmad)2
- Metaphysics2
- Minhāj al-ṭālibīn (Nawawī)2
- Mirqāt al-wuṣūl (Hüsrev, Molla)2