Study Search Results Your query returned 6 results. Series results are grouped under the most relevant study. You can ungroup series results. Results per page: 25 50 100 Sort by: Study Relevance Title A-Z Released/Updated Time Period Most Cited in ICPSR Bib. Most Downloaded Variable Relevance (?) Study Title/Investigator 1. National Longitudinal Mortality Study (NLMS) (ICPSR 134) United States Department of Commerce. Bureau of the Census; National Institute on Aging; National Cancer Institute; et al. 2. Human Mortality Database (ICPSR 138) Wilmoth, John R.; Shkolnikov, Vladimir 3. Longitudinal Study of Generations, 1971, 1985, 1988, 1991, 1994, 1997: [California] (ICPSR 4076) Bengtson, Vern L. 4. Kaiser Permanente Study of the Oldest Old, 1971-1979 and 1980-1988: [California] (ICPSR 4219) Haan, Mary N.; Rice, Dorothy P.; Quesenberry, Charles P.; et al. 5. Well Elderly 2, Los Angeles, California, 2004-2008 (ICPSR 33641) Clark, Florence 6. Victoria Longitudinal Study (ICPSR 117) Dixon, Roger A.