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. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Ghana Population, Consumption and Environment (PCE) Survey, 2002 (ICPSR 34830) White, Michael 2. Net Migration of the Population by Age, Sex, and Race, 1950-1970 (ICPSR 8493) Bowles, Gladys K.; Tarver, James D.; Beale, Calvin L.; et al.