"study number","owner","title","investigators","doi","time period"
"08159","ICPSR","Basic Geographic and Historic Data for Interfacing ICPSR Data Sets, 1620-1983 [United States]","Sechrist, Robert P.","http://dx.doi.org/10.3886/ICPSR08159.v2","1983"
"08346","ICPSR","Federal Information Processing Standards (FIPS) 55, [1984]","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR08346.v2","1984"
"07577","ICPSR","Population and Per Capita Income Estimates, 1969-1975 ","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR07577.v1","1975"
"07578","ICPSR","Population Estimates of Counties in the United States, 1973-1975","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR07578.v1","1975"

