Before revision: II, War and Peace, 1914-1929 , London: Hutchinson, 1953 Archive.org (sign in to view references and sources) Le May, G.H.L., British Government, 1914-1963 , London: Methuen, 1964 Roskill, Stephen, Hankey, Man of Secrets, Volume I, 1877-1918 Vol.
After revision: II, War and Peace, 1914–1929 , London: Hutchinson, 1953 Archive.org (sign in to view references and sources) Le May, G.H.L., British Government, 1914–1963 , London: Methuen, 1964 Roskill, Stephen, Hankey, Man of Secrets, Vol.