Most of the papers date from the years 1918-1923 and consist of semi-official and personal correspondence, memoranda and notes relating to Piesse's work in the Defence Dept. and the Prime Minister's Dept. They deal with the White Australia Policy, nationality legislation, the Pacific Islands, the New Hebrides Condominium, Nauru, the League of Nations, Japan, China, Papua, the Mandated Territory of New Guinea, the Anglo-Japanese Alliance, Australian defence, the 1921 Washington Disarmament Conference, and the Imperial Conferences of 1921, 1923 and 1926. Later papers are concerned with Piesse's writings on Japan and Australian defence for the Round Table Group and the Australian Institute of International Affairs. Principal correspondents are G.H. Blakeslee, E.T. Brown, D.A.S. Campbell, A.H. Charteris, Sir Joseph Cook, P.E. Deane, T.D. Dunlop, F.W. Griffiths, W.M. Hughes, Sir John Latham, E. Longfield Lloyd, James Murdoch, Lord Milner, L.R. Stanley, H.A. Thomson, F. E. Wallace, W.J.V. Windeyer, E.A. Wisdom.
Educated at Universities of Tasmania and Cambridge; joined Australian Intelligence Corps, 1909; Director of Military Intelligence, 1916-1919; Director, Pacific Branch, Prime Minister's Dept. 1919-1921; Director, Pacific Foreign Section, Prime Minister's Dept. 1921-1923; joined Melbourne law firm of Davies and Campbell, 1924, becoming partner in 1931; President of Law Institute of Victoria.