Sánchez Delgado, M. (2024). The racial hygiene explained to the chileans: the conferences of Otto Aichel (1927) and Erwin Baur (1930) in Santiago de Chile. Revista de Historia Social Y de Las Mentalidades, 22(2), 225-246. https://doi.org/10.35588/5r4waw55 (Original work published 2019)