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. Current Population Survey, January 1993: Tobacco Use Supplement (ICPSR 6641) United States Department of Commerce. Bureau of the Census 2 more results in Current Population Survey Series 2. National Evaluation of the Fighting Back Program: General Population Surveys, 1995-1999 (ICPSR 3801) Saxe, Leonard; Kadushin, Charles; Tighe, Elizabeth; et al.