Ludwig Leichhardt und Alexander von Humboldt . HiN - Alexander von Humboldt in the Net. International Review for Humboldt Studies, [S. l.], v. 8, n. 15, p. 70–78, 2007. DOI: 10.18443/103. Disponível em: https://hin-online.de/index.php/hin/article/view/103. Acesso em: 28 mar. 2026.