- Magi1
- Magna Carta1
- Majolus, Saint, Abbot of Cluny, approximately 906-9941
- Manuscript waste1
- Margaret, Queen, consort of James IV, King of Scotland, 1489-15411
- Marina, Saint1
- Marriage (Canon law)1
- Middle Ages1
- Moral education1
- More, Thomas, Saint, 1478-15351
- Natural history1
- Navies1
- Neuland, Walter, active 14501
- Odilo, Saint, Abbot of Cluny, 962-1048 or 10491
- Odo, Saint, Abbot of Cluny, approximately 879-9421
- Painted bindings1
- Palmistry1
- Passion of Jesus Christ1
- Penance1
- Penmanship specimen books1