1. Gladden, E. N. A History of Public Administration, Frank Cass, London, 1972, Volumes I and II.
2. Finifter, Ada W. (ed.). Political Science: The State of the Discipline II, The American Political Science Association, Washington, DC, 1993.
3. Kettl, Donald F. ``Public Administration: The State of the Field,'' in Finifter, A. W. Political Science: The State of the Discipline II, pp.407-428.