- Letter writing, Arabic2
- Loans (Islamic law)2
- Lollards2
- Lord's Supper--Adoration2
- Lord's Supper--Catholic Church2
- Love poetry2
- Love poetry, Arabic2
- Love poetry, Latin (Medieval and modern)2
- Lunar eclipses2
- Magi2
- Manuscripts, Medical2
- Manuscripts, Mexican2
- Manuscripts, Pali2
- Manuscripts, Samaritan2
- Manuscripts, Yiddish2
- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)2
- Marbled paper bindings2
- Mardāwī, ʻAlī ibn Sulaymān, 1414 or 1415-1480 or 1481. Tanqīḥ al-mushbiʻ fī taḥrīr aḥkām al-Muqniʻ2
- Martyrdom--Islam2
- Masjid al-Aqṣá (Jerusalem)2