Study Search Results Your query returned 2 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded Variable Relevance (?) Study Title/Investigator 1. Crime Days Precursors Study: Baltimore, 1952-1976 (ICPSR 8222) Nurco, David 2. Variations in Criminal Patterns Among Narcotic Addicts in Baltimore and New York City, 1983-1984 (ICPSR 9586) Nurco, David N.; Hanlon, Thomas E.; Kinlock, Timothy W.; et al.