Fuentes García, Fernando J, Javier Cabeza-Ramírez, and Sandra M Sánchez-Cañizares. 2019. “Longevity in the Family Business: The Alvear Case (1729-1906)”. Revista De Historia Industrial — Industrial History Review 28 (77):13-51. https://doi.org/10.1344/rhi.v28i77.28901.