- Manuscripts, Turkish1
- Manuscripts, Tzutuhil1
- Margaret, of Antioch, Saint1
- Marie de Médicis, Queen, consort of Henry IV, King of France, 1573-16421
- Marriage (Roman law)1
- Marriage customs and rites1
- Martinus, Polonus, -12791
- Mary Magdalene, Saint1
- Mass (Music)1
- Mass--Celebration1
- Mathematics, Greek1
- Maxims1
- Medicine, Ancient1
- Medicine, Medieval1
- Medicine--Study and teaching1
- Mehmed II, Sultan of the Turks, 1432-14811
- Mendoza, Antonio de, approximately 1492-15521
- Merovingian scripts1
- Mesgissier, Martin le1
- Metaphysics (Aristotle)1