- Meaning (Philosophy)--Religious aspects--Hinduism3
- Mechanics1
- Medea, consort of Aegeus, King of Athens (Mythological character)1
- Medical astrology1
- Medicinal plants6
- Medicine52
- Medicine, Arab15
- Medicine, Ayurvedic18
- Medicine, Ayurvedic--Formulae, receipts, prescriptions4
- Medicine, Chinese1
- Medicine, Magic, mystic, and spagiric3
- Medicine, Medieval17
- Medicine, Persian1
- Medicine, Thai1
- Medicine--Formulae, receipts, prescriptions2
- Medicine--Study and teaching1
- Meditation1
- Meditation--Hinduism6
- Meditation--Jainism1
- Mediterranean Region1