“J. Billiet, Tussen Bescherming En Verovering. Sociologen En Historici over Zuilvorming”. BMGN - Low Countries Historical Review 105, no. 3 (January 1, 1990): 405–407. Accessed November 22, 2024. https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-103691.