- Marriage2
- Martini, Cornelia2
- Martini, Roberto2
- Marāḥ al-arwāḥ (Ibn Masʻūd, Aḥmad ibn ʻAlī)2
- Massachusetts--Williamstown2
- Materia medica2
- Mathematics, Greek2
- Maḥzor2
- Maṣābīḥ al-sunnah (Baghawī, al-Ḥusayn ibn Masʻūd)2
- Medici, Giovanni de'2
- Medicine, Magic, mystic, and spagiric2
- Medicine--Formulae, receipts, prescriptions2
- Middle Ages2
- Mishnah. Avot2
- Misogyny2
- Missals (Service books)2
- Monasticism and religious orders--Rules2
- Mukhtār lil-fatwá (Mawṣilī, ʻAbd Allāh ibn Maḥmūd)2
- Muslims2
- Muḥammad, Prophet, -6322