RITCHIE, James. The Americans Bison: a Questionable Experiments. Indian Forester, [S. l.], v. 53, n. 9, p. 543–545, 1927. DOI: 10.36808/if/1927/v53i9/19258. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/19258. Acesso em: 5 dec. 2025.