Old Truths and New Errors

“Alte Wahrheiten und neue Irrtümer.” In: Internationales Institut der Sparkassen, ed. Das Sparwesen der Welt, Proceedings of the 7th International Conference of Savings Banks. Amsterdam: 1963.

The Vienna School

“Wiener Schule.” Handwörterbuch der Sozialwissenschaften 12 (Stuttgart-Tübingen-Göttingen, 1962).

The Moral Element in Free Enterprise

“The Moral Element in Free Enterprise.” In: National Association of Manufacturers (eds.) The Spiritual and Moral Significance of Free Enterprise. New York: 1962.