- Manuscripts, Nahuatl2
- Manuscripts, Provençal2
- Manuscripts, Sanskrit2
- Mardāwī, ʻAlī ibn Sulaymān, 1414 or 1415-1480 or 1481. Tanqīḥ al-mushbiʻ fī taḥrīr aḥkām al-Muqniʻ2
- Maritime law2
- Marriage law2
- Martini, Cornelia2
- Martini, Roberto2
- Mary, Queen of Scots, 1542-15872
- Massachusetts--Wellesley2
- Medici, Alessandro de', 1510-15372
- Medici, Andrea de'2
- Medici, Bernardo de'2
- Medici, Bivigliano de'2
- Medici, Carlo de'2
- Medici, Fabrizio de'2
- Medici, Giovanni de'2
- Medici, Lorenzo de', 1449-14922
- Medicine, Medieval2
- Medicine--Formulae, receipts, prescriptions2