- Medici, Giulio de'1
- Medici, House of86
- Medici, Lorenzo di Pierfrancesco de', 1463-15031
- Medici, Luisa de'2
- Medici, Niccolo de'4
- Medici, Nicolo de'1
- Medici, Raffaele de'1
- Medici, Vincenzo de'11
- Medicinal plants1
- Medicine10
- Medicine, Arab13
- Medicine, Magic, mystic, and spagiric1
- Medicine, Medieval1
- Medicine, Medieval--Manuscripts3
- Medicine, Persian4
- Medicine--Formulae, receipts, prescriptions1
- Medicine--Manuscripts3
- Medicine--Study and teaching2
- Medina Sidonia, Alonso Pérez de Guzmán, duque de, 1550-16191
- Medina Sidonia, Juan Alonso de Guzmán, Duque de, -15581