Strauss, D. F. M. “The Genesis of a New Conception of the State in the Political Philosophy of Dooyeweerd”. Tydskrif Vir Christelike Wetenskap | Journal for Christian Scholarship, vol. 50, no. 1-2, May 2014, pp. 75-99, https://pubs.ufs.ac.za/index.php/tcw/article/view/339.