- Martini, Roberto2
- 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
- Medicine, Arab2
- Medicine, Medieval2
- Medicine--Formulae, receipts, prescriptions2
- Mediterranean Region2
- Military art and science2
- Monastic and religious life--Middle Ages2
- Monasticism and religious orders for women2
- Monasticism and religious orders--Middle Ages2
- Nahray ben Nissim, 1025-10972
- Navigation2
- Normans2
- Normans--Influence2