Woltjer, J.J. “B.J. Kaplan, Calvinists and Libertines. Confession and Community in Utrecht 1578-1620”. BMGN - Low Countries Historical Review 112, no. 3 (January 1, 1997): 407–409. Accessed November 21, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105216.