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. Series results are grouped under the most relevant study. Ungroup series results to view all results. Sort by: Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. 1. Family Life and Sexual Learning, 1976 (ICPSR 7755) Roberts, Elizabeth J.; Kline, David; Gagnon, John H. 2. National Health and Social Life Survey, 1992: [United States] (ICPSR 6647) Laumann, Edward O.; Gagnon, John H.; Michael, Robert T.; et al.