- Manzoli, Marchione1
- Manār al-anwār fī al-uṣūl (Nasafī, ʻAbd Allāh ibn Aḥmad)1
- Maps1
- Margaret, Queen, consort of James IV, King of Scotland, 1489-15411
- Marginalia1
- Marini, Nicola Antonio1
- Marriage customs and rites1
- Marriage law1
- Marshals1
- Massachusetts--Wellesley1
- Massaran, Isaac de1
- Materia medica1
- Matthei, Bernardino1
- Matthias I, King of Hungary, 1443-14901
- Mayenne, Charles de Lorraine, Duc de, 1554-16111
- Medici, Bernardo de'1
- Medici, Elisabetta de'1
- Medici, Giulio de'1
- Medici, Lorenzo di Pierfrancesco de', 1463-15031
- Medici, Luisa de'1