Study Search Results Your query returned 2 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. American Community Survey (ACS): Public Use Microdata Sample (PUMS), 2003 (ICPSR 4117) United States Department of Commerce. Bureau of the Census 7 more results in American Community Survey (ACS) Series 2. Mexican Origin People in the United States: the 1979 Chicano Survey (ICPSR 8436) Arce, Carlos H.