Štěpánek, Pavel. “The Czech-Slovak Engraver Koloman Sokol (1902–2003) in Mexico and His Teaching”. Política, Globalidad y Ciudadanía 8, no. 15 (November 15, 2021): 92. Accessed April 19, 2024. https://revpoliticas.uanl.mx/index.php/RPGyC/article/view/202.