"study number","owner","title","investigators","doi","time period"
"08930","ICPSR","Census of Population, 1860 [United States]: Urban Household Sample","Moen, Jon","http://dx.doi.org/10.3886/ICPSR08930.v3","1860"
"07552","ICPSR","Census Tract-Level Data, 1960","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR07552.v1","1960"
"00003","ICPSR","Historical, Demographic, Economic, and Social Data:  The United States, 1790-1970","Inter-university Consortium for Political and Social Research","http://dx.doi.org/10.3886/ICPSR00003.v1","1970"
"02896","ICPSR","Historical, Demographic, Economic, and Social Data: The United States, 1790-2002","Haines, Michael R.; Inter-university Consortium for Political and Social Research","http://dx.doi.org/10.3886/ICPSR02896.v3","2002"
"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"