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. Most Downloaded (?) Study Title/Investigator 1. Children of Immigrants Longitudinal Study (CILS), 1991-2006 (ICPSR 20520) Portes, Alejandro; Rumbaut, Rubén G. 2. Latino National Survey (LNS), 2006 (ICPSR 20862) Fraga, Luis R.; Garcia, John A.; Hero, Rodney; et al.