Albert Einstein (2000). “Albert Einstein in his own words in two complete books: Relativity-the special and general theory; Out of my later years-the scientist, philosopher and man portrayed through his own words”
Oliver Goldsmith (1849). “The Miscellaneous Works of Oliver Goldsmith: With an Account of His Life and Writings : Stereotyped from the Paris Edition : Complete in One Volume”, p.258
Thorstein Veblen (2016). “BUSINESS & ECONOMICS Premium Collection: 25+ Titles in One Volume: The Theory of Business Enterprise, The Higher Learning in America, The Vested Interests and the Common Man, On the Nature of Capital…: The Theory of the Leisure Class, The Beginning of Ownership, The Preconceptions of Economic Science, The Industrial System and the Captains of Industry, The Socialist Economics of Karl Marx…”, p.69, e-artnow
Thorstein Veblen (2016). “THORSTEIN VEBLEN Ultimate Collection: 8 Books & 50+ Business Essays and Articles in Warfare and Economics: The Theory of the Leisure Class, The Theory of Business Enterprise, The Higher Learning In America, Panem et Circenses, The Vested Interests and the Common Man, The Use of Loan Credit in Business…”, p.16, e-artnow