Central Library (UNAM) based on the mexica cosmogonical belief that the shape of the universe is composed of two joined ellipses. This one features Tlaloc glyphs related to tonalpohualli, the most important ritual calendar of the mexica people. Said calendar was the center of their celebrations and their astronomical calculations. The finishing stroke to this side of the mural is an image of the myth concerning the founding of the city of Mexico-Tenochtitlan. Central Library (UNAM) The Central Library of the National Autonomous University of Mexico (UNAM), is the main library in the Ciudad Universitaria Campus. It holds one of the largest collections
Mario de la Cueva textbooks across Latin America. Infused with the spirit of the Mexican Revolution of 1910, they conceptualized Mexican labour law as having the protection of workers' rights as its chief purpose. De la Cueva was also a leading advisor in the 1970 revision of the Mexican Labour Code. Mario de la Cueva Mario de la Cueva y de la Rosa (1901-1981) was a Mexican jurist and rector of the Universidad Nacional Autónoma de México (UNAM) in 1940–1942. De la Cueva studied law at the Escuela Nacional de Jurisprudencia of the UNAM, as well as at the Humboldt-Universität in Berlin. From 1929