- Medea, consort of Aegeus, King of Athens (Mythological character)1
- Medici, Giovenco de'1
- Medici, Giuliano de'1
- Medici, House of1
- Medici, Lorenzo de', 1449-14921
- Medici, Vanne de'1
- Medicinal plants1
- Medicine, Greek and Roman--Manuscripts1
- Medicine, Magic, mystic, and spagiric1
- Mediterranean Region1
- Mehmed II, Sultan of the Turks, 1432-14811
- Mellini, Piero1
- Menorah1
- Metalli, Giuliano1
- Metaphysics1
- Methodology1
- Michele, Lapo di1
- Michele, Maso di1
- Michele, Niccolò di1
- Middle East--Palestine1