“CARLOS DEL PESO Y CALVO (1910-1992): The long and disputed process of construction of the social security system” (2019) Revista de Derecho de la Seguridad Social, Laborum, (21), pp. 265–276. Available at: https://revista.laborum.es/index.php/revsegsoc/article/view/390 (Accessed: 6 November 2026).