“K. Schuyt, Het Spoor Terug. J.B. Charles | W.H. Nagel 1910-1983”. BMGN - Low Countries Historical Review 126, no. 3 (January 1, 2011): 131–132. Accessed November 23, 2024. https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-108386.