Eleanor Roosevelt, Harry S. Truman, Steve Neal (2002). “Eleanor and Harry: The Correspondence of Eleanor Roosevelt and Harry S. Truman”, p.133, Simon and Schuster
"John F. Kennedy: 1961 : containing the public messages, speeches, and statements of the president, January 20 to December 31, 1961" by John F. Kennedy, Washington: Office of the Federal Register, National Archives and Records Service, General Services Administration, 1962.