- Manuscripts, English2
- Manuscripts, English (Middle)2
- Manuscripts, European11
- Manuscripts, French15
- Manuscripts, German12
- Manuscripts, Italian37
- Manuscripts, Latin164
- Manuscripts, Latin (Medieval and modern)329
- Manuscripts, Medieval217
- Manuscripts, Nahuatl4
- Manuscripts, Portuguese1
- Manuscripts, Purépecha1
- Manuscripts, Quiché1
- Manuscripts, Renaissance148
- Manuscripts, Spanish17
- Manuscripts, Tzutuhil1
- Marginalia3
- Maria Anna Josefa, Queen, consort of John V, King of Portugal, 1683-17541
- Marriage (Canon law)1
- Marriage (Canon law)--Dispensations1