- López de Legaspi, Miguel, -15721
- Maldonado family1
- Manuscript maps1
- Manuscripts1
- Manuscripts, Latin (Medieval and modern)1
- Manuscripts, Mexican1
- Manuscripts, Nahuatl1
- Manuscripts, Renaissance1
- Maps1
- Mendoza, Antonio de, approximately 1492-15521
- Mexico--San Juan Teotihuacán1
- Mexico--San Juan Teotihuacán--Teotihuacán Site1
- Mexico--Zumpango (Municipio)1
- Mineral industries1
- Miners1
- Mines and mineral resources1
- Mining law1
- Missions1
- Montúfar, Alonso de, active 1512-15701
- Morales family1