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. Census Tract Data, 1950: Elizabeth Mullen Bogue File (ICPSR 2931) Bogue, Donald 1 more result in Census Tract Data, 1940, 1950, 1960, and 1970: Elizabeth Mullen Bogue Files Series 2. Children of Immigrants Longitudinal Study (CILS), 1991-2006 (ICPSR 20520) Portes, Alejandro; Rumbaut, Rubén G. 3. Latino National Survey (LNS), 2006 (ICPSR 20862) Fraga, Luis R.; Garcia, John A.; Hero, Rodney; et al.