- Malchus, Saint1
- Mandeville, John, Sir1
- Manuel I, King of Portugal, 1469-15211
- Manuscripts, Anglo-Norman1
- Manuscripts, Czech1
- Manuscripts, English (Old)1
- Manuscripts, Judeo-Arabic1
- Manuscripts, Latin (Papyri)1
- Manuscripts, Provençal1
- Manuscripts, Samaritan1
- Marbled calf bindings1
- 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 Agreements1
- Marriage law1
- Marriage--Moral and ethical aspects1
- Martial1