WIDMER, P. Eric Godel, Die Zentralschweiz in der Helvetik (1798–1803), 2009. Zwingliana, [S. l.], v. 38, p. 268–272, 2011. Disponível em: https://www.zwingliana.ch/index.php/zwa/article/view/2345. Acesso em: 29 sep. 2022.