Search Results Use the search box below to revise your search, or start a new search. Studies (2) Variables Publications Your query returned 2 studies. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Children of Immigrants Longitudinal Study (CILS), 1991-2006 (ICPSR 20520) Portes, Alejandro; Rumbaut, Rubén G. 2. Counseling for High Skills (CHS) Program Evaluation, 1994, 1995, and 1997: [Colorado, Florida, Iowa, Kansas, and Nebraska] (ICPSR 2757) Hudis, Paula M.