Webster, Daniel W., Vernick, Jon S., Teret, Stephen P., "How Cities Can Combat Illegal Guns and Gun Violence." (in PDF) Center for Gun Policy and Research, Johns Hopkins Bloomberg School of Public Health
Ludwig, Jens. Better Gun Enforcement, Less Crime. Criminology & Public Policy, Volume 4, Issue 4, November 2005
Webster, D.W.; Bulzacchelli, M.T.; Zeoli, A.M.; and Vernick, J.S. Effects of Undercover Police Stings of Gun Dealers on the Supply of New Guns to Criminals. Injury Prevention, Volume 12, August 2006. Pages 225-30.
Papachristos, Andrew V., Meares, Tracey L. and Fagan, Jeffrey, "Attention Felons: Evaluating Project Safe Neighborhoods in Chicago" (November 2005). U Chicago Law & Economics, Olin Working Paper No. 269 Available at SSRN
Braga, Anthony A. and Glenn L. Pierce. "Disrupting Illegal Firearms Markets in Boston: The Effects of Operation Ceasefire on the Supply of New Handguns to Criminals." Criminology & Public Policy 4, no. 4 (November 2005).
Scales, B., & Baker, J. (2000). Seattle's effective strategy for prosecuting juvenile firearm offenders (OJJDP Juvenile Justice Bulletin). Washington, DC: Office of Juvenile Justice and Delinquency Prevention.
Kellermann, Arthur L., Fuqua-Whitley, Dawna, Parramore, Constance S., "Reducing Gun Violence: Community Problem Solving in Atlanta" NCJ 209800. NIJ, June 2006.