Search Results Use the search box below to revise your search, or start a new search. Studies (2) Variables Publications Your query returned 2 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. Comparative Study of Community Power Research, 1920-1964 (ICPSR 26) Gilbert, Claire W. 2. Southern Primary and General Election Data, 1920-1949 (ICPSR 71) Heard, Alexander; Strong, Donald S.