См.: Kilman S. Death Penalty and Crime. Empirical Studies. Fairfax, 1978; Conrad J. Deterrence, the Death Penalty, and the Data // The Death Penalty A Debate. New York, 1983. P. 133–141; Lempert R. The Effect of Executions on Homicides: A New Look in an Old Light // Crime and Delinquency, 1983. N 29. P. 88–115; Potas I., Walker J. Capital Punishment, 1987. P. 3; Clay W. To Kill Or Not To Kill: Thoughts on capital punishment. California: The Borgo Press, 1990. P. 73–77; Bohm R. The Death Penalty in America: Current Research. Anderson, 1990; Friedman L. Crime and Punishment in American History. New York, 1993.
