PETIG, William E. Carl Schurz and German-American Newspaper Publishers.
Yearbook of German-American Studies,
[S. l.], v. 54, p. 69–90, 2022. DOI:
10.17161/ygas.v54i.18191. Disponível em:
https://journals.ku.edu/ygas/article/view/18191. Acesso em: 9 apr. 2025.