Herbert Hoover. State of the Union address, December 3, 1929.
 Stephen Feinstein. The 1930s: From the Great Depression to the Wizard of Oz. Revised edition, Berkeley Heights, NJ: Enslow Publishers, 2006.
 Herbert Hoover. Speech to the annual dinner of the Chamber of Commerce of the United States, May 1, 1930.
 John Steele Gordon. A fiasco that fed the Great Depression. Barron’s, December 15, 2008.
 Edmund Wilson. New Republic, February 1933.
 Herbert Hoover. Memoirs. London: Hollis and Carter, 1952, p. 30.
 Franklin Roosevelt, quoted in Burton Folsom, Jr. New Deal or raw deal? How FDR’s economic legacy has damaged America. New York: Threshold Editions, 2008, p. 40.
 Arthur M. Schlesinger, ...