Search Results Use the search box below to revise your search, or start a new search. Studies (1) Variables Publications Your query returned 1 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. Early Years of Marriage (EYM) Project, Years 1-4, 1986-1989 (ICPSR 4557) Veroff, Joseph; Douvan, Elizabeth; Hatchett, Shirley; et al.