PFEIFER, G. Die Neue Welt in der Perspektive Alexander von Humboldts. ERDKUNDE, [S. l.], v. 13, n. 4, p. 395–411, 1959. DOI: 10.3112/erdkunde.1959.04.11. Disponível em: https://journals-test.ulb.uni-bonn.de/index.php/erdkunde/article/view/1291. Acesso em: 12 dec. 2024.