Torrebadella Flix, Xavier. “José Sánchez Somoano: A School Physical Education Teacher Between Madrid and Mexico (1887-1913)”. Historia y Memoria de la Educación, no. 8 (June 27, 2018): 549–596. Accessed December 7, 2025. https://revistas.uned.es/index.php/HMe/article/view/19280.