- Marbits Torah1
- Mary, Blessed Virgin, Saint1
- Mary, Blessed Virgin, Saint, and the church1
- Mary, Blessed Virgin, Saint, in the liturgy--Orthodox Eastern Church1
- Masorah6
- Mathematics4
- Mathematics--Study and teaching1
- Maʻaśeh merkavah1
- Maḥzor2
- Maḥzor. High Holidays1
- Maḥzor. Yom Kippur2
- Medicine4
- Medicine, Ancient1
- Medicine, Arab1
- Medicine, Magic, mystic, and spagiric9
- Medicine, Magic, mystic, and spagiric--Formulae, receipts, prescriptions3
- Medicine--Practice1
- Medicine--Religious aspects1
- Megilat Purim al Miṣriyin1
- Mekhilta of Rabbi Ishmael1