Falk, Pedro Frederico. «Charles Wicksteed Armstrong and Positive Eugenics: A Case Study Regarding a Eugenicist and His Experience in Brazil». Resgate: Revista Interdisciplinar de Cultura 27, no. 2 (diciembre 19, 2019): 11–28. Accedido agosto 16, 2024. https://periodicos.sbu.unicamp.br/ojs/index.php/resgate/article/view/8656454.