- Manuscripts, French5
- Manuscripts, German1
- Manuscripts, Greek1
- Manuscripts, Greek (Medieval and modern)1
- Manuscripts, Hebrew31
- Manuscripts, Italian519
- Manuscripts, Latin90
- Manuscripts, Latin (Medieval and modern)60
- Manuscripts, Medical1
- Manuscripts, Medieval119
- Manuscripts, Renaissance432
- Manuscripts, Spanish11
- Maps11
- Marbled paper bindings1
- Marginalia4
- Mariano, Fra1
- Marie de Médicis, Queen, consort of Henry IV, King of France, 1573-16421
- Marino, Giambattista, 1569-16251
- Marital property1
- Maritime law2