Wolffram, Dirk Jan. “Veel Vertier, Weinig Politiek”. BMGN - Low Countries Historical Review 129, no. 3 (September 19, 2014): 93–100. Accessed April 26, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-110131.