Source and copyright
Source: The National Archives of the United Kingdom, [s.l.], Kew, Richmond, Surrey, TW9 4DU. http://www.nationalarchives.gov.uk/, Records created and inherited by the Foreign Office, FO. European integration: economic and political union of Europe including Britain is desired by USA 1950, FO 371/87137.
Copyright: (c) The National Archives of the United Kingdom