- Massachusetts--Williamstown2
- Massaran, Isaac de1
- Mathematics1
- Mathematics, Arab1
- Mathematics--Study and teaching1
- Matthei, Bernardino1
- Mawḍūʻāt (Ibn al-Jawzī, Abū al-Faraj ʻAbd al-Raḥmān ibn ʻAlī)1
- Mawṣilī, Muḥammad ibn al-Ḥusayn, -1334 or 13351
- Mayenne, Charles de Lorraine, Duc de, 1554-16111
- Maṣābīḥ al-sunnah (Baghawī, al-Ḥusayn ibn Masʻūd)3
- Medical formularies1
- Medici, Alamanno de'1
- Medici, Alessandro de', 1510-15373
- Medici, Andrea de'8
- Medici, Bastiano de'1
- Medici, Bernardo d'Alamanno de'1
- Medici, Bernardo de'1
- Medici, Bivigliano de'5
- Medici, Camillo de'4
- Medici, Carlo Bernardo Alamanni de'1