Deursen, A.Th. van. “J.J. Poelhekke, Het Verraad Van De Pistoletten?”. BMGN - Low Countries Historical Review 91, no. 2 (January 1, 1976): 308–309. Accessed January 29, 2022. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102105.