- Laylat al-Qadr1
- Leather doublures1
- Lebanon--Tripoli1
- Legacies (Islamic law)1
- Legal instruments (Jewish law)1
- Letter writing1
- Lettering pieces1
- Lumʻah al-Dimashqīyah (Shahīd al-Awwal, Muḥammad ibn Makkī)1
- Mahdi1
- Malchus, Saint1
- Manuscripts, American1
- Manuscripts, Church Slavic1
- Manuscripts, German1
- Manuscripts, Urdu1
- Manuscripts, Yiddish1
- Marghīnānī, ʻAlī ibn Abī Bakr, -1196 or 11971
- Marāḥ al-arwāḥ (Ibn Masʻūd, Aḥmad ibn ʻAlī)1
- Mashāriq al-anwār (Ṣaghānī, al-Ḥasan ibn Muḥammad)1
- Masjid al-Ḥarām1
- Massachusetts--Boston1