A national program of research, development, test, and evaluation on law enforcement and criminal ju

Blumstein, Alfred.
Arlington, Va. : Institute for Defense Analyses; [for sale by the Supt. of Docs., U.S. Govt. Print. Off., Washington], 1968.

Observing the law : field methods in the study of crime and the criminal justice system

McCall, George J.
New York : Free Press, [1978]

Weapons, crime, and violence in America : a literature review and research agenda

Washington, D.C. : U.S. Dept. of Justice, National Institute of Justice : For sale by the Supt. of Docs., U.S. G.P.O., 1981.