PEDERSEN, Erik Helmer. New Agricultural History - The American Prairie Agriculture in a Wider Context. American Studies in Scandinavia, [S. l.], v. 13, n. 2, p. 71–79, 1981. DOI: 10.22439/asca.v13i2.1216. Disponível em: https://rauli.cbs.dk/index.php/assc/article/view/1216. Acesso em: 5 dec. 2025.