"study number","owner","title","investigators","doi","time period"
"08533","ICPSR","Census of Population and Housing, 1980 [United States]:  Special Tabulations of Population 60 Years and Over","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR08533.v1","1980"
"06973","ICPSR","Center for Research on Social Reality [Spain] Survey, March 1996: Savings, Family, and Aging","Centro de Investigaciones Sobre la Realidad Social (CIRES)","http://dx.doi.org/10.3886/ICPSR06973.v1","1996"
"21741","DSDR","Chinese Household Income Project, 2002","Shi, Li","http://dx.doi.org/10.3886/ICPSR21741.v1","2002"
"08427","NACDA","Old Age in the United States, 1880","Jensen, Richard; Smith, Daniel Scott; Friedberger, Mark W.; Dahlin, Michel R.; Reiff, Janice","http://dx.doi.org/10.3886/ICPSR08427.v1","1880"
"08428","NACDA","Old Age in the United States, 1900","Jensen, Richard; Smith, Daniel Scott; Friedberger, Mark W.; Dahlin, Michel R.; Reiff, Janice","http://dx.doi.org/10.3886/ICPSR08428.v1","1900"
"03843","NACDA","Swedish Adoption/Twin Study on Aging (SATSA), 1984, 1987, 1990, and 1993","Pedersen, Nancy L.","http://dx.doi.org/10.3886/ICPSR03843.v1",""