"study number","owner","title","investigators","doi","time period"
"06069","ICPSR","Census of Governments, 1987:  Employment Statistics","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR06069.v2","1987"
"34550","CCEERC","Child Care Licensing Study, 2011 [United States]","Fischer, Sheri; Martella, Jana ","http://dx.doi.org/10.3886/ICPSR34550.v1","2011"
"34421","ICPSR","IntUne Mass Survey Wave 1, 2007","Cotta, Maurizio; Isernia, Pierangelo; Bellucci, Paolo","http://dx.doi.org/10.3886/ICPSR34421.v1","2008"
"34272","ICPSR","IntUne Mass Survey Wave 2, 2009","Cotta, Maurizio; Isernia, Pierangelo; Bellucci, Paolo","http://dx.doi.org/10.3886/ICPSR34272.v2","2009"