Uytven, R. van. “V. Janssens, De Belgische Frank. Anderhalve Eeuw Geldgeschiedenis”. BMGN - Low Countries Historical Review 96, no. 2 (January 1, 1981): 377–379. Accessed October 7, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-102441.