"study number","owner","title","investigators","doi","time period"
"08091","ICPSR","Census of Population and Housing, 1980 [United States]:  Summary Tape File 1C   ","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR08091.v1","1980"
"08093","ICPSR","Census of Population and Housing, 1980 [United States]:  Summary Tape File 1D   ","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR08093.v1","1980"