Papers and correspondence on Commonwealth affairs, including: Colonial Office memoranda from Sir William McLean on subjects including colonial constitutional changes and development, Imperial Preference, labour relations and local government; draft memorandum from [Arthur] Douglas Dodds-Parker on Commonwealth and colonial policy; text of a speech by Oliver Lyttelton, Secretary of State for Colonial Affairs [later 1st Lord Chandos] at the 1952 Party Conference on migration policy and Imperial Preference; article by Leo Amery on the Commonwealth Conference, 1951; memoranda by JA on Asiatic expansion and the implications for Australasia, and on migration; papers on trade with Canada.