- Manuscripts, Italian321
- Manuscripts, Latin155
- Manuscripts, Latin (Medieval and modern)345
- Manuscripts, Medieval226
- Manuscripts, Renaissance329
- Manuscripts, Spanish1
- Manuscripts, Yiddish1
- Manuscripts--Prices14
- Manzoli, Marchione1
- Maps3
- Marbled paper bindings2
- Marginalia12
- Maria Theresa, Empress of Austria, 1717-17801
- Marie de Médicis, Queen, consort of Henry IV, King of France, 1573-16421
- Marriage4
- Marriage (Jewish law)1
- Marriage (Roman law)1
- Martial1
- Martini, Luca, 1980-1
- Martino, Odino S., active 15th century1