MS 1827 consists of correspondence 1909-1937 with S.M. Bruce, R.G. Casey, J.A. Lyons, David Rivett, Charles Nathan and others together with papers on the Imperial Conference 1911, the general election 1937, the development of Northern Australia, and Douglas Mawson's expedition to the Antarctic in 1929.
MS 213 contains papers relating to Sir George's public life between 1909 and 1935 and includes correspondence with Harold Boas, Herbert Brookes, S.M. Bruce, R.G. Casey, Robert Garran, H.W. Gepp, Walter Massy-Greene, J.A. Lyons, W.M. Hughes and others; correspondence relating to the secession movement in Western Australia 1929-33, and other matters; together with reports, press cuttings and photographs.