FRIESEN, Gerhard K. The Authorship of the Vertrauliche Briefe aus Kanada und NeuEngland vom J[ahre] 1777 und 1778. Yearbook of German-American Studies, [S. l.], v. 30, p. 35–46, 1995. DOI: 10.17161/ygas.v30i.19183. Disponível em: https://journals.ku.edu/ygas/article/view/19183.. Acesso em: 18 may. 2024.