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. National Survey of Families and Households, 1987-1988 (ICPSR 6041) Bumpass, Larry L.; Sweet, James A. 2. National Survey of Families and Households: Wave I, 1987-1988, and Wave II, 1992-1994 (ICPSR 6906) Bumpass, Larry L.; Sweet, James A.