"study number","owner","title","investigators","doi","time period"
"08322","ICPSR","Annual Housing Survey, 1977 [United States]:  Travel-to-Work [SMSAs]","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR08322.v1","1977"
"08257","ICPSR","Annual Housing Survey, 1980 [United States]: SMSA Files","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR08257.v1","1980"