STARK, Heinz. An American Pioneer from Bavaria: The George Schramm Story. Yearbook of German-American Studies, [S. l.], v. 41, p. 27–48, 2006. DOI: 10.17161/ygas.v41i.18900. Disponível em: https://journals.ku.edu/ygas/article/view/18900. Acesso em: 18 apr. 2025.