- Medici, Fernando de'1
- Medici, Francesca de'1
- Medici, Giuliano de', 1453-14781
- Medici, Giulio de'1
- Medici, Niccolò de'1
- Medici, Nicolo de'1
- Medici, Ottavia Altoviti1
- Medici, Piero di Lorenzo de', 1472-15031
- Medina, Francisco de, 1544-16151
- Meditations1
- Middle Ages1
- Middle East--Jerusalem (Latin Kingdom)1
- Middle East--Palestine1
- Military campaigns1
- Mints1
- Monastic and religious life of women1
- Monasticism and religious orders for women--Rules1
- Monasticism and religious orders--Rules1
- Moneylenders1
- Monogrammed bindings1