“H. Daalder, Drees En Soestdijk. Over De Zaak-Hofmans En Andere Crises 1948-1958”. BMGN - Low Countries Historical Review 122, no. 1 (January 1, 2007): 153–155. Accessed November 22, 2024. https://ojstest.minions.amsterdam/article/view/URN%3ANBN%3ANL%3AUI%3A10-1-107502.