Kemseke, P. Van. “A.G. Harryvan, In Pursuit of Influence: The Netherlands’ European Policy During the Formative Years of the European Union, 1952-1973”. BMGN - Low Countries Historical Review, vol. 126, no. 3, Jan. 2011, pp. 153-4, https://doi.org/10.18352/bmgn-lchr.7425.