- Monasterio de San Jerónimo de la Murtra (Badalona, Spain)1
- Monasterio de San Jerónimo del Valle de Hebrón (Barcelona, Spain)1
- Monastic and religious life of women1
- Monastic and religious life--Early church1
- Monothelitism1
- Montúfar, Alonso de, active 1512-15701
- Morales family1
- Morales, Andrés de, active 1683-16851
- Morales, Francisco de, active 1683-16851
- Morales, Nicolás de, active 1683-16851
- More, Thomas, Saint, 1478-15351
- Morelli, Lorenzo Matteo, active 1480-14811
- Moriscos1
- Muses (Greek deities)1
- Music, Greek and Roman1
- Musical accompaniment1
- Mysticism--Middle Ages1
- Mythology, Classical1
- Mántica family1
- Nahuas--Land tenure1