Wever, B. de. “F. Van Der Elst, De Bewogen Jaren: Mijn Memoires 1920-1958”. BMGN - Low Countries Historical Review 103, no. 1 (January 1, 1988): 86–87. Accessed April 26, 2024. https://bmgn-lchr.nl/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103271.