Study Search Results Your query returned 3 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. Longitudinal Career Histories of Public School Teachers from Colorado, Michigan, and North Carolina, 1972-1986 (ICPSR 9320) Murnane, Richard J. 2. National Longitudinal Survey (NLS) of College Graduates, 1967-1985 (ICPSR 9390) Murnane, Richard 3. Occupational Changes in a Generation, 1962 and 1973 (ICPSR 6162) Blau, Peter M.; Duncan, Otis Dudley; Featherman, David L.; et al.