Pérez Castroviejo, P. M. (2017) “The Social Welfare in Biscay: origin and development of the first social insurances, 1900-1936”, Revista de Historia Industrial — Industrial History Review, 20(45), pp. 43–78. Available at: https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/20787 (Accessed: 15March2025).