CLARK, G. Was There Ever a Ruling Class? A Proposal for the study of 800 Years of Social Mobility. Investigaciones de Historia Económica, [S. l.], v. 6, n. 17, p. 11–38, 2019. DOI: 10.1016/S1698-6989(10)70049-7. Disponível em: https://recyt.fecyt.es/index.php/IHE/article/view/70248. Acesso em: 18 may. 2024.