Correspondence and papers from LSA's early political posts, with the War Cabinet, War Office, as Parliamentary Under-Secretary for the Colonies, Parliamentary and Financial Secretary to the Admiralty and also First Lord of the Admiralty. This includes: a large amount of material on the First World War, including LSA's own service in France and the Balkans and his campaign for conscription; Cabinet papers on the peace settlement and establishment of the League of Nations; a considerable amount of correspondence between LSA and 1st Lord Milner, from the South African War until Milner's death in 1925, and including papers from LSA's work for Milner at the War Office and Colonial Office; papers on LSA's imperial interests, particularly overseas settlement, taxation and protectionism.