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. California Initiative/Referendum Data (2000-2012) (ICPSR 34627) Hastings, Jeff 2. Campaign Finance in Local Elections: An Eleven City Study, 1989-2007 [United States] (ICPSR 25801) Adams, Brian 3. Presidential Campaign Impact on Voters: 1976 Panel, Erie, Pennsylvania, and Los Angeles (ICPSR 7990) Patterson, Thomas E.