- Khamrīyah (Ibn al-Fāriḍ, ʻUmar ibn ʻAlī)1
- Khiḍr (Legendary character)1
- Laylat al-Qadr1
- Leocadia, Saint, -3031
- Lettering pieces1
- Local officials and employees1
- Logic1
- Lumʻah al-Dimashqīyah (Shahīd al-Awwal, Muḥammad ibn Makkī)1
- Maccabees1
- Mahdi1
- Malikites1
- Manuscript waste1
- Manuscripts, Church Slavic1
- Manuscripts, French1
- Manuscripts, German1
- Manuscripts, Latin (Medieval and modern)1
- Mary, Blessed Virgin, Saint1
- Marāḥ al-arwāḥ (Ibn Masʻūd, Aḥmad ibn ʻAlī)1
- Mashāriq al-anwār (Ṣaghānī, al-Ḥasan ibn Muḥammad)1
- Massachusetts--Boston1