- 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 life--Early church1
- Monasticism and religious orders1
- 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
- Music1
- Music theory1
- Mysticism1
- Mysticism--Middle Ages1
- Nahuas--Land tenure1
- Naper, Alexander1
- Naveda family1
- Negative theology1