"study number","owner","title","investigators","doi","time period"
"07966","ICPSR","Census of Population and Housing, 1970 [United States]: Fifth Count Extract (27 States)","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR07966.v2","1970"
"07759","ICPSR","Census of Population and Housing [United States], 1970 Public Use Sample: Merged Family Household Data Records for 42 SMSAs","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR07759.v2","1970"
"07922","ICPSR","Census of Population and Housing [United States], 1970 Public Use Sample:  Modified 1/1000 5% State Samples ","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR07922.v2","1970"