López Rivas, Oscar Hugo, and Ana María Hernández Ayala. “First Normal School for Men in Guatemala (1875-1918 first stage). Foundation, authorities, teachers, crises and permanent changes”. Revista Historia de la Educación Latinoamericana, vol. 24, no. 38, Jan. 2022, pp. 37-61, doi:10.19053/01227238.14805.