ETTE, Ottmar. Languages about Languages: Two Brothers and one Humboldtian Science. HiN - Alexander von Humboldt im Netz. Internationale Zeitschrift für Humboldt-Studien, [S. l.], v. 19, n. 36, p. 47–61, 2018. DOI: 10.18443/270. Disponível em: https://www.hin-online.de/index.php/hin/article/view/270. Acesso em: 28 feb. 2024.