Mout, M.E.H.N. “Een Eenvoudig Historicus”. BMGN - Low Countries Historical Review 102, no. 3 (January 1, 1987): 532–536. Accessed April 23, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103201.