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. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Chicago Lawyers Survey, 1975 (ICPSR 8218) Heinz, John P.; Laumann, Edward O. 2. Chicago Lawyers Survey, 1994-1995 (ICPSR 4100) Heinz, John P.; Laumann, Edward O.; Nelson, Robert L.; et al. 3. Police Corruption in Thirty Agencies in the United States, 1997 (ICPSR 2629) Klockars, Carl B.