Ramón Salinas, Jorge, and Carmen M. Zavala Arnal. “The Ward Method of Music Instruction and Its Reception in Spain. Between the Social Question and Motu Proprio (Ca. 1873-1965)”. Historia y Memoria de la Educación, no. 16 (June 20, 2022): 491–532. Accessed December 6, 2025. https://revistas.uned.es/index.php/HMe/article/view/31505.