"study number","owner","title","investigators","doi","time period"
"07420","ICPSR","Agricultural and Demographic Records for Rural Households in the North, 1860","Bateman, Fred; Foust, James D.","http://dx.doi.org/10.3886/ICPSR07420.v1",""
"09117","ICPSR","Agricultural and Demographic Records of 21,118 Rural Households Selected from the 1860 Manuscript Censuses","Bateman, Fred; Foust, James D.","http://dx.doi.org/10.3886/ICPSR09117.v1","1860"
"07552","ICPSR","Census Tract-Level Data, 1960","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR07552.v1","1960"