- Manuscripts, Renaissance26
- Manuscripts, Spanish10
- Maria Anna Josefa, Queen, consort of John V, King of Portugal, 1683-17541
- Matthei, Bernardino1
- Małogoszcz (Poland)1
- Methodology1
- Mexico3
- Mexico--Mexico City2
- Michigan--Kalamazoo1
- Missions2
- 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
- Monastic and religious life1
- Monastic and religious life of women1
- Monasticism and religious orders4
- Monasticism and religious orders--Middle Ages1
- Monasticism and religious orders--Rules1
- Monks1