"Oh, Superman". Broadcast for "Opinion" on Channel 4 (May 31, 1990); later quoted in Harold Pinter "Various Voices: Prose, Poetry, Politics 1948-2005" (pp. 198-199), 2005.
"THE 2004 CAMPAIGN: THE VICE PRESIDENT; Cheney Tax Plan From '86 Would Have Raised Gas Prices" by Richard A. Oppel Jr., www.nytimes.com. April 6, 2004.
"The Intelligent Investor: The Classic Text on Value Investing". Book by Benjamin Graham, Chapter II, The Investor and Stock-Market Fluctuations, p. 25, 1949.