“Over ’86 En ’92 En Daarna. Kuypers Gereformeerde Wereld Herdacht”. BMGN - Low Countries Historical Review 110, no. 4 (January 1, 1995): 515–547. Accessed November 22, 2024. https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-104734.