King, William Lyon Mackenzie - Article from The Columbia Encyclopedia: Sixth Edition. 2000. - http://www.bartleby.com/65/ki/King-WL.html
King - Byng Affair - Letter from William Lyon Mackenzie King to Governor General Byng, 28 June 1926. - http://victoria.tc.ca/history/etext/king.position.byng.html
CanadaInfo: William Lyon MacKenzie King - Includes a biography, photograph and personal statistics. - http://www.craigmarlatt.com/canada/government/king.html