Carl Gustav Carus und Alexander von Humboldt - Briefwechsel . HiN – Alejandro de Humboldt en la Red. Revista internacional de estudios humboldtianos, [S. l.], v. 10, n. 18, p. 5–29, 2009. DOI: 10.18443/118. Disponível em: https://www.hin-online.de/index.php/hin/article/view/118. Acesso em: 27 mar. 2026.