"study number","owner","title","investigators","doi","time period"
"07734","ICPSR","Massachusetts Tax Valuation Records, 1771","Pruitt, Bettye","http://dx.doi.org/10.3886/ICPSR07734.v1","1771"
"09426","ICPSR","Union Army Recruits in Black Regiments in the United States, 1862-1865","Metzer, Jacob; Margo, Robert A.","http://dx.doi.org/10.3886/ICPSR09426.v1","1865"
"03466","ICPSR","Union Army Recruits in Black Regiments in the United States, 1862-1865: [Instructional Materials]","Oberly, James W.","http://dx.doi.org/10.3886/ICPSR03466.v1","1865"