- Islamic law1
- Italy--Abbiategrasso1
- Italy--Milan1
- Jurisprudence1
- Kings and rulers1
- Ladron de Guevara family1
- Maldonado family1
- Manuscripts, Arabic1
- Manuscripts, French1
- Manuscripts, Scottish1
- Mary, Queen of Scots, 1542-15871
- Massachusetts--Williamstown1
- Mexico1
- Mexico--Mexico City1
- Monasteries1
- Monasterio de San Jerónimo de Monte Olivete (Sant Pere de Ribes, Spain)1
- Monasterio de San Jerónimo de la Murtra (Badalona, Spain)1
- Monasterio de San Jerónimo del Valle de Hebrón (Barcelona, Spain)1
- Morales family1
- Morales, Andrés de, active 1683-16851