"study number","owner","title","investigators","doi","time period"
"13405","ICPSR","Census of Population and Housing, 2000 [United States]:  County-to-County Worker Flow Files","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR13405.v1","2000"
"13572","ICPSR","Census of Population and Housing, 2000 [United States]:  Minor Civil Division/County-to-Minor Civil Division/County Worker Flow Files","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR13572.v1","2000"