Study Search Results Your query returned 6 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. (?) Study Title/Investigator 1. 21st Century Americanism: Nationally Representative Survey of the United States Population, 2004 (ICPSR 27601) Schildkraut, Deborah; Grosse, Ashley 2. Center for Research on Social Reality [Spain] Survey, March 1994: Attitudes Toward Immigrants (ICPSR 2032) Centro de Investigaciones Sobre la Realidad Social (CIRES) 1 more results in Center for Research on Social Reality [Spain] Survey Series 3. Current Population Survey, April 1983 (ICPSR 8265) United States Department of Commerce. Bureau of the Census 4. Immigrants Admitted to the United States, 1972 (ICPSR 8952) United States Department of Justice. Immigration and Naturalization Service 28 more results in Immigrants Admitted to the United States Series 5. Mexican Origin People in the United States: National Ethnic Screening Survey, 1978 (ICPSR 7920) Arce, Carlos H. 6. National Politics Study, 2004 (ICPSR 24483) Jackson, James S.; Hutchings, Vincent L.; Brown, Ronald; et al.