"study number","owner","title","investigators","doi","time period"
"08136","ICPSR","Annual Housing Survey, 1976 [United States]: Travel-to-Work [SMSAs]","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR08136.v1","1976"
"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"