BARON, Frank; SEEGER, G. Scott. Moritz Harttmann (1817-1900) in Kansas: A Forgotten German Pioneer of Lawrence and Humboldt. Yearbook of German-American Studies, [S. l.], v. 39, p. 1–22, 2004. DOI: 10.17161/ygas.v39i.19015. Disponível em: https://journals.ku.edu/ygas/article/view/19015.. Acesso em: 2 oct. 2024.