- Lello, Tina di1
- Letters, Papal1
- Liber sextus decretalium (Catholic Church)1
- Liturgics--Texts1
- Lorenzo, Vanna di1
- Love poetry, Arabic1
- Ludwig IV, Holy Roman Emperor, 1282?-13471
- Madrasah al-ʻUmarīyah (Damascus, Syria)1
- Magic1
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- Maqdisī, ʻAbd Allāh ibn ʻAfīf al-Dīn, d. 13361
- Maqṣūrah (Ibn Durayd, Muḥammad ibn al-Ḥasan)1
- Margaret, of Antioch, Saint1
- Marginalia1
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- Mashāriq al-anwār (Ṣaghānī, al-Ḥasan ibn Muḥammad)1
- Masorah1