- Medici, Bernardo d'Alamanno de'2
- Medici, Lorenzo de', 1449-14922
- Medici, Luisa de'2
- Medicine, Magic, mystic, and spagiric2
- Mediterranean Region2
- Monasticism and religious orders for women--Rules2
- Montedoglio (Italy)2
- Morocco bindings2
- Morso family2
- Musical notation2
- Mysticism--Catholic Church2
- Naselli family2
- Ospedale di San Bartolomeo (Florence, Italy)2
- Papal nuncios2
- Part songs, Italian2
- Paul III, Pope, 1468-15492
- Paul IV, Pope, 1476-15592
- Philip III, King of Spain, 1578-16212
- Philip IV, King of Spain, 1605-16652
- Physicians2