"study number","owner","title","investigators","doi","time period"
"09694","ICPSR","Census of Population and Housing, 1970 [United States]: Extract Data","Adams, Terry K.","http://dx.doi.org/10.3886/ICPSR09694.v3","1970"
"09693","ICPSR","Census of Population and Housing, 1980 [United States]: Extract Data","Adams, Terry K.","http://dx.doi.org/10.3886/ICPSR09693.v3","1980"
"02889","ICPSR","Census of Population and Housing, 1990  [United States]:  Extract Data","Adams, Terry K.","http://dx.doi.org/10.3886/ICPSR02889.v1","1990"