Taracena Arriola, Arturo. “The Communist Presence in Guatemala and El Salvador. The Look of the Guatemalan Ministry of Foreign Affairs (1929-1932)”. Anuario de Estudios Centroamericanos 48, no. 00 (December 9, 2022): 1–34. Accessed May 19, 2024. https://www.revistas.ucr.ac.cr/index.php/anuario/article/view/53409.