McKee, Elsie. „The Defense of Schwenckfeld, Zwingli, and the Baptists, by Katharina Schütz Zell“. Zwingliana 19, no. 1 (Januar 1, 2010): 245–264. Zugegriffen April 24, 2024. https://zwingliana.ch/index.php/zwa/article/view/515.