Rooy, P. de. “Voorbij De Verzuiling?”. BMGN - Low Countries Historical Review 116, no. 1 (January 1, 2001): 45–57. Accessed April 20, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106200.