Gertz, R. E. (1983). Bak, Joan Lamaysou. Some antecedents of corporatism: state economic intervention and rural organization in Brazll. The case of Rio Grande do Sul, 1890-1937. Yale University, 1977 (tese de doutoramento). Estudos Ibero-Americanos, 9(1, 2), 231–234. https://doi.org/10.15448/1980-864X.1983.1-2.36368