One of his very first published works, Guia del lenguaje usual para hablar con propiedad, pureza y corrección, dates from this period (1901) and is based on his autodidactic studies of the Spanish language.
Fame of his remarkable erudition spread quickly and he was encouraged to run in forthcoming elections for Federal Deputy for the State of Tabasco, succeeding in his first attempt.
At the XVII International Congress of Americanists, celebrated in Mexico City in September 1910, Becerra presented an important historical paper on Hernán Cortés's 1524-25 expedition to Las Hibueras.
In 1954, occurred the posthumous publication of Becerra's monumental 800 page Rectificaciones y adiciones al Diccionario de la Real Academia Española: a work which encompasses thousands of words and definitions, is rich in indigenous etymologies and grounded in lexicographical authorities.
Marcos E. Becerra, during the last ten years of his life, was a numerary member of the Academia Mexicana de la Historia and held seat 21.