Study Search Results Your query returned 2 results. Use the search box below to revise your search, or start a new search. 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. Census Tract-Level Data, 1960 (ICPSR 7552) United States Department of Commerce. Bureau of the Census 2. County-Specific Net Migration by Five-Year Age Groups, Hispanic Origin, Race and Sex: 2000-2010 (ICPSR 34638) Winkler, Richelle; Johnson, Kenneth; Cheng, Cheng; et al.