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. Census of Population and Housing, 1970 [United States]: Extract Data (ICPSR 9694) Adams, Terry K. 2. Office of Revenue Sharing: Fifth Count File, 1970 (ICPSR 77) DUALabs, Inc.