- Medici, Carlo Bernardo Alamanni de'1
- Medici, Elisabetta de'1
- Medici, Fernando de'1
- Medici, Giulio de'1
- Medici, Lorenzo di Pierfrancesco de', 1463-15031
- Medici, Nicolo de'1
- Medici, Raffaele de'1
- Medicinal plants1
- Medicine, Magic, mystic, and spagiric1
- Medicine, Medieval1
- Medicine--Formulae, receipts, prescriptions1
- Meditations1
- Meistersinger1
- Melanchthon, Philip, 1497-1560. De officio principum1
- Mendoza, Antonio de, approximately 1492-15521
- Mexico--Zumpango (Municipio)1
- Michele, Lorenzo de'1
- Michele, Olivo di1
- Middle East--Jerusalem1
- Middle East--Jerusalem (Latin Kingdom)1