Medellin Zenil A. Monolitos ineditos Olmecas // La palabra у el hombre. -1960. - N. 16. - P. 75–97.
Medellin Zenil A. La Escultura de Las Limas // Bolletin delnstituto Nacional de Anthropologia e Historia. -1965. - N.21.-P.5–8.
Medellin Zenil A, Monolitos Olmecas у Otras en el Museo de la Universidad de Veracruz // Corpus Antiquitatum Americanensium.-N.5.
Melgar J. M. Antiguedades mexicanas, notable escultura Antigua // Boletin de la Sosiedad Mexicana de Geografia у Estadistica.-1869.-Epoca2.-Vol. 1.-P.292–297.
Melgar J.M. Ectudio sobre la antiguedad у el origin de la cabeza colossal de tipo etiopico que existe en Hueyapan, del canton de los Tuxtlas //Boletin de la Sosiedad Mexicana de Geografia у Estadistica. - 1871. — Epoca 2. - Vol. 3. - P. 104–109.
Meluzin S. The Tuxtla Script: Steps Toward Decipherment Based on La Mojarra Stela I // Latin American Antiquity. - 1992.-Vol. 3.-P. 283–297.
Mesoamerica. The Cambridge History of the Native Peoples of the Americas. - Cambridge, 2000. - Vol. II, Part 1.
Mesoamerican Communication Routes and Cultural Contacts // Papers of the New World Archaeological Foundation. - 1978. -N. 40.
Milbrath S. Study of Olmec Sculptural Chronology // Studies in Pre-Columbian Art and Archaeology. - N. 23.
Miller M. E. The Art of Mesoamerica from Olmec to Aztec. -L.; N. Y., 1986.
Miller M. E., Taube K. The Gods and Symbols of Ancient Mexico and the Maya: An Illustrated Dictionary of Mesoamerican Religion.-L.;N.Y., 1992.
Monies A. M. Una vision de Xochialco en el siglo XIX: Dupaix et Castaneda // Anales del Instituto de Investigaciones Esteticas.-1991.- Vol. XVLN.62.-P. 53–68.
Morley S. G. An Introduction to the Study of Maya Hieroglyphs // Smithsonian Institution Bureau of American Ethnology. -1915. -Bulletin 57.
Morley S.G., Brainerd G. W. The Ancient Maya. - Stanford, 1983.
Morrison F., Benavente J. Magnetometer Evidence of a Structure Within the La Venta Pyramid // Science. - 1970. - N.167.-P. 1488–1490.
Morrison F., Clevlow C. W. Jr., Heizer R. F. Magnetometer Survey of the La Venta Pyramid // Contributions of the University of California Research Facility. -1970. - Vol. 8. - P. 1-20.
National Geographic on Indians of the Americas. - Washington, D. C, 1955.
Navarrete C. A Brief Reconnaissance in the Region of Tonala, Chiapas, Mexico// Papers of the New World Archaeological Foundation.-1959.-N. 4.
Navarrete C. Archaeological Exploration in the Region of Frailesca, Chiapas // Papers of the New World Archaeological Foundation. -1960, - N. 7.
Navarrete C.