- Joseph (Son of Jacob) in the Qurʼan1
- Jābir ibn Ḥayyān1
- Jāmiʻ al-ṣaḥīḥ (Bukhārī, Muḥammad ibn Ismāʻīl)1
- Karaites--Liturgy1
- Kings and rulers1
- Language and languages--Etymology1
- Legends1
- Lexicography1
- Lists1
- Literary style1
- Manuscripts, English1
- Manuscripts, European1
- Manuscripts, Italian1
- Manuscripts, Judeo-Arabic1
- Manuscripts, Latin1
- Manār al-anwār fī al-uṣūl (Nasafī, ʻAbd Allāh ibn Aḥmad)1
- Mardāwī, ʻAlī ibn Sulaymān, 1414 or 1415-1480 or 1481. Tanqīḥ al-mushbiʻ fī taḥrīr aḥkām al-Muqniʻ1
- Martyrologies1
- Mathematics1
- Mawrid al-ẓamʼān (Kharrāz, Muḥammad ibn Muḥammad)1