MURALT, Leonhard von. Zwingli-Kalender für das Jahr 1931, Basel 1931. Zwingliana, [S. l.], v. 5, n. 4, p. 224, 2010. Disponível em: https://zwingliana.ch/index.php/zwa/article/view/1573. Acesso em: 22 juli. 2024.