- Manzoli, Marchione1
- Marbled paper bindings1
- Maria Anna Josefa, Queen, consort of John V, King of Portugal, 1683-17541
- Marie de Médicis, Queen, consort of Henry IV, King of France, 1573-16421
- Marina, Saint1
- Marriage (Canon law)--Dispensations1
- Marriage (Roman law)1
- Marriage law1
- Marriage--Moral and ethical aspects1
- Marriage--Religious aspects1
- Marriage--Religious aspects--Christianity1
- Martini, Luca, 1980-1
- Martinus, Polonus, -12791
- Mary, of Bethany, Saint1
- Mass (Music)1
- Massacre of the Holy Innocents in art1
- Mathematical recreations1
- Mathematics, Medieval1
- Matthei, Bernardino1
- Maurice, Saint, -approximately 2871