Bruin, G. de. “Den Haag Versus Staats-Brabant. IJzeren Vuist of Fluwelen Handschoen?”. BMGN - Low Countries Historical Review 111, no. 4 (January 1, 1996): 449–463. Accessed November 24, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104976.