“Protesta popular y política (Bermeo, 1912-1932)”, Ayer, vol. 40, no. 4, pp. 170–192, Dec. 2000, Accessed: Nov. 01, 2026. [Online]. Available: https://www.revistasmarcialpons.es/index.php/revistaayer/article/view/delgado-protesta-popular-y-politica-bermeo-1912-1932