Correspondence with 1st Lord Athlone, Governor General and with General James Hertzog, Prime Minister, on subjects including: the Imperial Conference, 1926, particularly changes to the status of Governors General with the creation of High Commissioners and the impression made by Hertzog; the South African flag; transferring Swaziland [later Eswatini] to South Africa; communications between the British and Dominion Governments; 1st Lord Byng, Governor General of Canada and his refusal to dissolve the Canadian Parliament; the monopoly held by the Shipping Combine; relations between South Africa and India; Empire foreign policy following the Locarno Treaty; a misleading impression of the South African political scene given to King George V by Sir Charles Crewe; the visit to South Africa by the Prince of Wales [later King Edward VIII and Edward, Duke of Windsor]; the Colour Bar Bill; the Geneva Protocol; reorganization of the Colonial Office and the creation of a separate Dominions Office; negotiations with the United States over the South West African Mandate.

Other correspondents include: Sir Laming Worthington-Evans, Secretary of State for War; Jan Smuts; Arthur Samuel [Minister for Department of Overseas Trade, later 1st Lord Mancroft] on subjects including the difficulty of producing British cars for the South African market (3); Sir [John] Carruthers Beattie, Vice-Chancellor and Principal of the University of Capetown; Sir [Joseph] Austen Chamberlain [Foreign Secretary]; 1st Lord Stamfordham [Private Secretary to King George V, earlier Arthur Bigge] on Sir Charles Crewe; Fredrik Beyers; [George] Nevile Bland, Private Secretary to Sir Eyre Crowe [Under-Secretary of State for Foreign Affairs].