RAGETH, S.; VASELLA, O. Die Autobiographie des Täufers Georg Frell von Chur. Zwingliana, [S. l.], v. 7, n. 7, p. 444–469, 2010. Disponível em: https://zwingliana.ch/index.php/zwa/article/view/1416. Acesso em: 5 mai. 2024.