Study Search Results Your query returned 3 results. Series results are grouped under the most relevant study. You can ungroup series 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. Border Contraceptive Access Study, El Paso, Texas 2005-2008 (ICPSR 32561) Potter, Joseph E.; Hopkins, Kristine; Amastae, Jon; et al. 2. Immigrants Admitted to the United States, 1972 (ICPSR 8952) United States Department of Justice. Immigration and Naturalization Service 24 more results in Immigrants Admitted to the United States Series 3. New Immigrant Survey (ICPSR 174) Jasso, Guillermina; Massey, Douglas S.; Rosenzweig, Mark R.; et al.