Study Search Results Your query returned 3 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. Census of Population and Housing, 1980 [United States]: Special Tabulations of Population 60 Years and Over (ICPSR 8533) United States Department of Commerce. Bureau of the Census 2. Informal and Formal Supports in Aging in Albany, Rensselaer, and Schenectady Counties, New York, 1989 (ICPSR 6899) Logan, John R.; Spitze, Glenna D. 3. Age and Residence Differences in Household Composition, 1980: [United States] (ICPSR 9253) Cutler, Stephen J.; Coward, Raymond T.; Schmidt, Frederick E.