Keywords
- Medici, Raffaele de'1
- Medici, Vanne de'1
- Medicinal plants1
- Medicine, Persian1
- Medicine--Study and teaching1
- Meistersinger1
- Melanchthon, Philip, 1497-1560. De officio principum1
- Mellini, Piero1
- Metalli, Giuliano1
- Metaphysics1
- Metaphysics (Aristotle)1
- Meteorologica (Aristotle)1
- Mexico1
- Michele, Lapo di1
- Michele, Lorenzo de'1
- Michele, Maso di1
- Michele, Niccolò di1
- Michele, Olivo di1
- Middle East--Jerusalem1
- Middle East--Jerusalem (Latin Kingdom)1