United States. President (1945-1953 : Truman), Harry S. Truman (1961). “Harry S. Truman: Containing the Public Messages, Speeches, and Statements of the President, 1945-53”
Barack Obama and Alan Keyes Illinois Senate Debate hosted by Illinois Radio Network in the Old State Capitol in Springfield, Illinois, www.keyesarchives.com. October 12, 2004.
"MARC FABER: Obama Is A Disaster, The Stock Market Should Have Fallen 50%, And You Should Buy Yourself A Machine Gun" by Joe Weisenthal, www.businessinsider.com. November 7, 2012.