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: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded (?) Study Title/Investigator 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.