- Manuscripts, Czech1
- Manuscripts, French1
- Manuscripts, Hebrew1
- Manuscripts, Latin (Medieval and modern)1
- Manuscripts, Yiddish1
- Mary Magdalene, Saint1
- Maximilian I, Holy Roman Emperor, 1459-15191
- Medical astrology1
- Medicinal plants1
- Medicine, Magic, mystic, and spagiric1
- Medicine--Formulae, receipts, prescriptions1
- Medicine--Study and teaching1
- Meditations1
- Meistersinger1
- Monasticism and religious orders1
- Monasticism and religious orders--Rules1
- Mysticism--Catholic Church1
- Nineteenth century1
- Ordnance--Manufacture1
- Origen1