“The Communist League ‘23 De Septiembre’ in the Face of the 1977 Political Reform, the Release of Political Prisoners, and the Search for Forced-Disappearance Victims”. Letras Históricas E-ISSN: 2448-8372, no. 28 (June 9, 2023): 26 pp. Accessed September 13, 2026. https://letrashistoricas.cucsh.udg.mx/index.php/LH/article/view/7383.