- Latin America2
- Latin letters, Medieval and modern2
- Latin literature, Medieval and modern2
- Leo X, Pope, 1475-15212
- Letter writing2
- Literature, Medieval2
- Logic, Medieval2
- Manuscript fragments2
- Manuscripts, Greek (Medieval and modern)2
- Massachusetts--Williamstown2
- Medici, Alamanno de'2
- Medici, Alessandro de', 1510-15372
- Medici, Luisa de'2
- Medicine, Arab2
- Medicine, Medieval2
- Mediterranean Region2
- Menorah2
- Middle East--Jerusalem2
- Middle East--Palestine2
- Monasticism and religious orders2