SEIDEL, J. J. Kaspar Bütikofer, Der frühe Zürcher Pietismus (1689–1721), 2009. Zwingliana, [S. l.], v. 38, p. 254–257, 2011. Disponível em: https://www.zwingliana.ch/index.php/zwa/article/view/2342. Acesso em: 29 sep. 2022.