“J. Hoffenaar, J.P.M. Schoenmakers, November Romeo Treed Nader! De Nationale Reserve 1948-1998”. BMGN - Low Countries Historical Review 115, no. 1 (January 1, 2000): 188–189. Accessed July 18, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-105977.