Tracy, J.D. “C.J. Zuijderduijn, Medieval Capital Markets: Markets for Renten, State Formation and Private Investment in Holland (1300-1550)”. BMGN - Low Countries Historical Review 126, no. 1 (January 1, 2011): 85–87. Accessed May 4, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-108263.