6Gottfried Dietze, "Hayek on the Rule of Law", in Fritz Machlup, ed.,Essays on Hayek, Routledge & Kegan Paul, 1977 , p. 120.
7A. I. Ogus, "Law and Spontaneous Order: Hayek's Contribution to Legal Theory, " in P.J. Boettke ed., The Legacy of F. von Hayek (I: Politics), Edward Elgar Publishing Limited, 1999, p. 419.