Bots, A.C.A.M. “Joh. De Vries, W.H. Vroom, T. De Graaf, Wereldwijd Bankieren. ABN AMRO 1824-1999”. BMGN - Low Countries Historical Review 115, no. 3 (January 1, 2000): 471–473. Accessed December 22, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-106101.