Fernández, A.M. 2003. Pedagogy and Positivism at the ends of the XIX century: Pedro Scalabrini, Alfredo Ferreira and the Positive School. Estudos Ibero-Americanos. 29, 1 (Dec. 2003), 73–92. DOI:https://doi.org/10.15448/1980-864X.2003.1.24120.