Search Results Use the search box below to revise your search, or start a new search. Studies (3) Variables Publications Your query returned 3 studies. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Anticipating Community Drug Problems in Washington, DC, and Portland, Oregon, 1984-1990 (ICPSR 9924) Harrell, Adele; Powers, Keiko; Hser, Yih-Ing 2. Crime Hot Spot Forecasting with Data from the Pittsburgh [Pennsylvania] Bureau of Police, 1990-1998 (ICPSR 3469) Gorr, Wilpen; Olligschlaeger, Andreas 3. Evaluation of Waiver Effects in Maryland, 1998-2000 (ICPSR 4077) Smith, Cindy J.; Craig, Kimberly S.; Brodus, Sallie M.; et al.