"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.
Arthur Wellesley (1st duke of Wellington.) (1838). “The dispatches of ... the duke of Wellington, compiled by lieut. colonel Gurwood. [With] Suppl. to vol. 1/3 [and] Index. [With] Index”, p.609