Saitua, Iker. “Migration, Bankers, and Social Capital. The Rise of a Basque ‘Industrial Cowboy’ in the American West: John Etchart, 1900-1943”. Revista de Historia Industrial — Industrial History Review 32, no. 87 (March 14, 2023): 45–80. Accessed November 26, 2024. https://revistes.ub.edu/index.php/HistoriaIndustrial/article/view/37987.