Kefauver Investigation and Knapp Commission
Burnham, Frank. 1971. "Serpico Tells of Delay on Police Inquiry." The New York Times. (December 15).
——. 1971. "Knapp Says Mayor Shares Blame for Corrupt Police." The New York Times. (July 2).
——. 1970. "Graft Paid to Police Here Said to Run in Millions." The New York Times. (April 25).
Halberstam, David. 1993. The Fifties. New York: Villard Books.
Moore, William Howard, 1974. The Kefauver Committee and the Politics of Crime. Columbia: University of Missouri Press.