"A Conversation with Friedrich A. Von Hayek: Science and Socialism". Talk at American Enterprise Institute for Public Policy Research, Washington, D.C., 1979.
"The Constitution of Liberty". Book by Friedrich Hayek. Part III: "Freedom in the Welfare State". Chapter 17: "The Decline of Socialism and The Rise of the Welfare State", 1960.
"New Studies in Philosophy, Politics, Economics and the History of Ideas". Book by Friedrich Hayek. Part I: "Philosophy ". Chapter 2: "The Pretence of Knowledge", pp. 33-34, 1978.
"New Studies in Philosophy, Politics, Economics and the History of Ideas". Book by Friedrich Hayek. Part I: "Philosophy ". Chapter 2: "The Pretence of Knowledge", p. 24, 1978.