Study Search Results Your query returned 2 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. (?) Study Title/Investigator 1. American Community Survey (ACS): Public Use Microdata Sample (PUMS), 2005 (ICPSR 4587) United States Department of Commerce. Bureau of the Census 2. Latino National Survey (LNS), 2006 (ICPSR 20862) Fraga, Luis R.; Garcia, John A.; Hero, Rodney; et al.