"study number","owner","title","investigators","doi","time period"
"04117","ICPSR","American Community Survey (ACS): Public Use Microdata Sample (PUMS), 2003","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR04117.v2","2003"
"04370","RCMD","American Community Survey (ACS): Public Use Microdata Sample (PUMS), 2004","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR04370.v1","2004"
"04587","RCMD","American Community Survey (ACS): Public Use Microdata Sample (PUMS), 2005","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR04587.v2","2005"
"22101","RCMD","American Community Survey (ACS): Public Use Microdata Sample (PUMS), 2006","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR22101.v1","2006"
"24503","RCMD","American Community Survey (ACS): Public Use Microdata Sample (PUMS), 2007","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR24503.v1","2007"
"29263","RCMD","American Community Survey (ACS): Public Use Microdata Sample (PUMS), 2008","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR29263.v1","2008"
"33802","RCMD","American Community Survey (ACS): Public Use Microdata Sample (PUMS), 2009","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR33802.v1","2009"
"25042","RCMD","American Community Survey (ACS): Three-Year Public Use Microdata Sample (PUMS), 2005-2007","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR25042.v1","2007"
"08236","ICPSR","Census of Population, 1940 [United States]: Public Use Microdata Sample","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR08236.v1","1940"
"08251","ICPSR","Census of Population, 1950 [United States]: Public Use Microdata Sample","United States Department of Commerce. Bureau of the Census","http://dx.doi.org/10.3886/ICPSR08251.v1","1950"
"04183","ICPSR","National Election Pool Democratic Presidential Preference Primary Exit Polls, 2004","National Election Pool; Edison Media Research; Mitofsky International","http://dx.doi.org/10.3886/ICPSR04183.v1","2004"