- López de Legaspi, Miguel, -15721
- Macaronic poetry1
- Macaronic verse1
- Malatesta family1
- Malatesta, Sigismondo Pandolfo, signore di Rimini, 1417-14681
- Manuele, Luigi1
- Manuscript maps1
- Manuscripts, Catalan1
- Manuscripts, Dutch1
- Manuscripts, Greek (Medieval and modern)1
- Manuscripts, Mexican1
- Manuscripts, Nahuatl1
- Manuscripts, Scottish1
- Manzoli, Marchione1
- Manār al-anwār fī al-uṣūl (Nasafī, ʻAbd Allāh ibn Aḥmad)1
- Maps1
- Margaret, Queen, consort of James IV, King of Scotland, 1489-15411
- Marginalia1
- Marini, Nicola Antonio1
- Marriage customs and rites1