Study Search Results Your query returned 4 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. American Community Survey (ACS): Public Use Microdata Sample (PUMS), 2000 (ICPSR 3889) United States Department of Commerce. Bureau of the Census 10 more results in American Community Survey (ACS) Series 2. Illegal Immigration and Crime in San Diego and El Paso Counties, 1985-1986 (ICPSR 9330) Pennell, Susan; Curtis, Christine; Tayman, Jeff 3. Latino National Survey (LNS), 2006 (ICPSR 20862) Fraga, Luis R.; Garcia, John A.; Hero, Rodney; et al. 4. The Mexican American Study Project II (MASP II), 1998-2000 (ICPSR 28481) Ortiz, Vilma; Telles, Edward E.