- Manuscripts, Persian6
- Manuscripts, Renaissance15
- Manuscripts, Sanskrit3
- Manuscripts, Turkish2
- Mary, Blessed Virgin, Saint1
- Medicinal plants1
- Medicine7
- Medicine, Arab2
- Medicine, Ayurvedic3
- Medicine, Ayurvedic--Formulae, receipts, prescriptions1
- Medicine, Magic, mystic, and spagiric3
- Medicine, Medieval2
- Medicine--Formulae, receipts, prescriptions2
- Medicine--Manuscripts1
- Mercury1
- Metaphysics1
- New Jersey--Princeton7
- Newton, Isaac, 1642-17271
- Newton, Isaac, 1642-1727--Manuscripts1
- Nineteenth century4