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. Census Tract Data, 1940: Elizabeth Mullen Bogue File (ICPSR 2930) Bogue, Donald 3 more results in Census Tract Data, 1940, 1950, 1960, and 1970: Elizabeth Mullen Bogue Files Series 2. Cleveland Study of the Elderly: a Follow-Up, 1984-1988 (ICPSR 6985) Ford, Amasa B. 3. Evaluation of Boot Camps for Juvenile Offenders in Cleveland, Denver, and Mobile, 1992-1993 (ICPSR 6922) Bourque, Blair B.; Felker, Daniel B.; Han, Mei; et al. 4. Family Life and Sexual Learning, 1976 (ICPSR 7755) Roberts, Elizabeth J.; Kline, David; Gagnon, John H.