- Mass1
- Massachusetts1
- Massaran, Isaac de1
- Mathematical recreations1
- Mathematics--Study and teaching1
- Matthei, Bernardino1
- Mawāqif fī ʻilm al-kalām (Ījī, ʻAḍud al-Dīn ʻAbd al-Raḥmān ibn Aḥmad)1
- Maximilian I, Holy Roman Emperor, 1459-15191
- Maxims, Arabic1
- Małogoszcz (Poland)1
- Maṣābīḥ al-sunnah (Baghawī, al-Ḥusayn ibn Masʻūd)1
- Medical care1
- Medici, Bastiano de'1
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- Medici, Carlo Bernardo Alamanni de'1
- Medici, Elisabetta de'1
- Medici, Fernando de'1
- Medici, Francesca de'1
- Medici, Giulio de'1
- Medici, Lorenzo di Pierfrancesco de', 1463-15031