By Gerald P. O'Driscoll Jr.. The Journal of Private Enterprise. Vol. 30. No. 2. Summer 2015.
By Roger Pilon. Chapman Law Review. Vol. 16. No. 2. 2013.
By Roger Pilon. American Conservative Thought in the Twentieth Century. 2011.
By Ilya Shapiro. Harvard Journal of Law and Public Policy. Vol. 33. No. 1. Winter 2011.
By Roger Pilon. International Encyclopedia of the Social Sciences., 2nd Edition. 2007.
By Roger Pilon. Encyclopedia of Ethics. Vol. 1. 1992.
By Roger Pilon. The Freeman. Vol. 38. No. 9. September 1988.
By David Boaz. Beyond Liberal and Conservative: Reassesing the Political Spectrum. December 1984.
By Roger Pilon. The Alternative: An American Spectator. February 1976.
By F. A. Hayek (1899 - 1992). The Constitution of Liberty. 1960.