“Beschavingsoffensief of Verraad Van De Middenklassen?”. BMGN - Low Countries Historical Review 106, no. 3 (January 1, 1991): 426–433. Accessed November 24, 2024. https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103881.