Study Search Results Your query returned 4 results. Results per page: 25 50 100 Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 1. National Assessment Survey of Law Enforcement Anti-Gang Information Resources, 1990-1991 (ICPSR 6237) Curry, G. David; Fox, Robert J.; Ball, Richard A.; et al. 2. National Youth Gang Intervention and Suppression Survey, 1980-1987 (ICPSR 9792) Spergel, Irving A.; Curry, G. David 3. Outcome Evaluation of the Teens, Crime, and the Community/Community Works (TCC/CW) Training Program in Nine Cities Across Four States, 2004-2005 (ICPSR 25865) Esbensen, Finn-Aage 4. Project on Human Development in Chicago Neighborhoods (PHDCN): Gangs, Wave 3, 2000-2002 (ICPSR 13709) Earls, Felton J.; Brooks-Gunn, Jeanne; Raudenbush, Stephen W.; et al.