Torrens Rojas, E. , Rodríguez Caso, J.M. and Barahona Echeverría, A.R. 2021. The teaching of biological evolution in Mexican socialist textbooks in the 1930s. Culture & History Digital Journal. 10, 2 (Oct. 2021), e022. DOI:https://doi.org/10.3989/chdj.2021.022.