SELL, Rainer. Der Deutsche Pionier-Verein von Cincinnati, Heinrich Armin Rattermann, and Der Deutsche Pionier: A Nucleus of Nineteenth-Century German-America. Yearbook of German-American Studies, [S. l.], v. 20, p. 49–60, 1985. DOI: 10.17161/ygas.v20i.19353. Disponível em: https://journals.ku.edu/ygas/article/view/19353.. Acesso em: 19 may. 2024.