- Manuscripts, Samaritan1
- Manuscripts, Yiddish1
- Manzoli, Marchione1
- Marie de Médicis, Queen, consort of Henry IV, King of France, 1573-16421
- Marignis, Niccolò de1
- Marini, Nicola Antonio1
- Maro, Guglielmo1
- Marriage (Roman law)1
- Marriage customs and rites, Medieval1
- Martellini, Vincenzio1
- Martini, Girolamo1
- Martini, Luca, 1980-1
- Martino, Barone di1
- Martino, Odino S., active 15th century1
- Martino, Vanni di1
- Mary Magdalene, Saint1
- Massaran, Isaac de1
- Massi, Francesca1
- Materia medica, Vegetable1
- Mathematical recreations1