“Principles or Expediency?” In Toward Liberty: Essays in Honor of Ludwig von Mises on the Occasion of his 90th Birthday, September 29, 1971. Sponsoring Committee F. A. von Hayek et.al; F. A. Harper, Secretary. Menlo Park, California: Institute for Humane Studies, 1971, vol I, pp. 29–45.
Hayek’s Essays
The Competitive System as a Tool of Knowledge
“Il sistema concorrenziale come strumento di conoscenza.” L'industria 1 (Turin, January-March 1970): 34–50.
Market Economy or Syndicalism?
“Marktwirtschaft oder Syndikalismus?” In: Protokoll des Wirtschaftstages der CDU/DSU (Bonn 1969).
The Primacy of the Abstract
“The Primacy of the Abstract.” In Arthur Koestler and J. R. Smythies (eds.), Beyond Reductionism—The Alpbach Symposium. London, 1969.
Three Elucidations of the ‘Ricardo Effect’
“Three Elucidations of the ‘Ricardo Effect’.” Journal of Political Economy 77 (March-April 1969): 274–285.
Scientism
“Szientismus.” In W. Bernsdorf (ed.), Wörterbuch der Soziologie, Edited by W. Bernsdorf. 2nd ed. (Stuttgart, 1969).
The Trend of Economic Thinking
“The Trend of Economic Thinking,” Studies in Philosophy, Politics and Economics. London: Routledge & Kegan Paul, 1967/1969;
Wieser, Friedrich von
“Wieser, Friedrich von.” In International Encyclopaedia of the Social Sciences. Edited by David L. Sills. New York: The Macmillan Co. & The Free Press, 1968, 1972; Volumes 15, 16, 17, pp. 549–550.
Speech on the 70th Birthday of Leonard Reed
Speech on the 70th Birthday of Leonard Reed. In: What's Past is Prologue. New York: Foundation for Economic Education, 1968.
A Self-Generating Order for Society
“A Self-Generating Order for Society.” In John Nef (ed.), Towards World Community. The Hague, 1968.