"study number","owner","title","investigators","doi","time period"
"09385","ICPSR","National Sample from the 1880 Census of Manufacturing  ","Atack, Jeremy; Bateman, Fred","http://dx.doi.org/10.3886/ICPSR09385.v2","1880"
"04048","ICPSR","National Samples from the Census of Manufacturing: 1850, 1860, and 1870","Atack, Jeremy; Bateman, Fred; Weiss, Thomas","http://dx.doi.org/10.3886/ICPSR04048.v1","1870"
"09384","ICPSR","State Samples from the 1880 Census of Manufacturing ","Atack, Jeremy; Bateman, Fred","http://dx.doi.org/10.3886/ICPSR09384.v2","1880"
"04071","ICPSR","State Samples from the Census of Manufacturing:  1850, 1860, and 1870","Bateman, Fred; Weiss, Thomas J.; Atack, Jeremy","http://dx.doi.org/10.3886/ICPSR04071.v1",""