Keywords
- Martyrologies1
- Martyrs1
- Marucelli, Benedetto1
- Marucelli, Francesco, 1625-17031
- Mary Magdalene, Saint1
- Mary, Blessed Virgin, Saint11
- Mary, Queen of Scots, 1542-15871
- Masorah1
- Mass2
- Mass--Celebration1
- Massachusetts--Boston81
- Massachusetts--Northampton1
- Massachusetts--Wellesley29
- Massachusetts--Williamstown12
- Massacre of the Holy Innocents in art1
- Masses1
- Masses, Unaccompanied1
- Materia medica4
- Mathematical recreations1
- Mathematics5