GORMLEY, Eric. Popular Darwinism and Geography Textbooks in Canada, 1850-1920. Past Imperfect, [S. l.], v. 2, 2008. DOI: 10.21971/P71010. Disponível em: https://journals.library.ualberta.ca/pi/index.php/pi/article/view/1364. Acesso em: 24 jan. 2026.