Oliveira, Amurabi. “The Exchange of Letters Between Arthur Ramos and Rüdiger Bilden (1936-1943): Notes on the History of Afro-Brazilian Studies”. EIAL - Estudios Interdisciplinarios de América Latina y el Caribe 35, no. 2 (December 1, 2024): 61–85. Accessed April 4, 2026. https://eialonline.org/index.php/eial/article/view/1836.