Topics in P.C.: Bureaucracy
Classical Books and Article:

1. Downs, Antony, 1967, Inside the Bureaucracy
2. Tullock, Gordon and Buchanan, James M., The Politics of Burueacracy
3. Niskanen, William A. 1971/1994. Bureaucracy and Public Economics. Aldershot & Brookfield: Edward Elgar. (Original title: Bureaucracy and Representative Government. Chicago: Aldine-Atherton. 1971)

Usefull Articles:

1. An Economic Theory of Bureaucracy writen: Mainstream Approach versus Austrian Developments by Laurent Carnis