MEYER VON KNONAU, Gerold. Oskar Frei, Die Reformation im Toggenburg. Zwingliana, [S. l.], v. 3, n. 16, p. 528, 2010. Disponível em: https://zwingliana.ch/index.php/zwa/article/view/1735. Acesso em: 3 juli. 2024.