- Lello, Broccholio di1
- Lello, Tina di1
- Letters, Papal1
- Liber sextus decretalium (Catholic Church)1
- Literature1
- Liturgics--Texts1
- Lollards1
- Lorenzo, Vanna di1
- Ludwig IV, Holy Roman Emperor, 1282?-13471
- Madrasah al-ʻUmarīyah (Damascus, Syria)1
- Magic1
- Manuscripts, English (Middle)1
- Manuscripts, Judeo-Arabic1
- Manuscripts, Spanish1
- Manuscripts, Turkish1
- Manār al-anwār fī al-uṣūl (Nasafī, ʻAbd Allāh ibn Aḥmad)1
- Maps1
- Maqdisī, ʻAbd Allāh ibn ʻAfīf al-Dīn, d. 13361
- Margaret, of Antioch, Saint1
- Marginalia1