1. Addison, P. The Road to 1945: British Politics and the Second World War. London: Pimlico, 1975.
2. Agar, J. The Government Machine: A Revolutionary History of the Computer. London: MIT Press, 2003.
3. Anderson, J. The Machinery of Government. Oxford: Oxford University Press, 1946.
4. Aughey, A., and Philip Norton. Conservatives and Conservatism. London: Temple Smith, 1981.
5. Ball, S. The Guardsmen: Harold Macmillan, Three Friends and the World They Made. London: Harper, 2004.