"study number","owner","title","investigators","doi","time period"
"03371","ICPSR","Database of [United States] Congressional Historical Statistics, 1789-1989","Swift, Elaine K.; Brookshire, Robert G.; Canon, David T.; Fink, Evelyn C.; Hibbing, John R.; Humes, Brian D.; Malbin, Michael J.; Martis, Kenneth C.","http://dx.doi.org/10.3886/ICPSR03371.v2","1989"
"33865","ICPSR","Delegate Positions on All Substantive Roll Calls at the United States Constitutional Convention, 1787","Dougherty, Keith L.; Heckelman, Jac C.","http://dx.doi.org/10.3886/ICPSR33865.v1","1787"
"24544","DATAPASS","Delegate Votes on 28 Motions at the United States Constitutional Convention, 1787","Dougherty, Keith ; Heckelman, Jac C.","http://dx.doi.org/10.3886/ICPSR24544.v1","1787"
"07537","ICPSR","Roll Calls of the Continental Congresses and the Congresses of the Confederation, 1777-1789","Lord, Clifford L.","http://dx.doi.org/10.3886/ICPSR07537.v1","1789"
"05512","ICPSR","United Nations Roll Call Data, 1946-1985","Inter-university Consortium for Political and Social Research","http://dx.doi.org/10.3886/ICPSR05512.v1","1985"
"09822","ICPSR","United States Congressional Roll Call Voting Records, 1789-1990:  Reformatted Data  ","Rosenthal, Howard L.; Poole, Keith T.","http://dx.doi.org/10.3886/ICPSR09822.v2","1990"
"00004","ICPSR","United States Congressional Roll Call Voting Records, 1789-1998","Inter-university Consortium for Political and Social Research; Congressional Quarterly, Inc.","http://dx.doi.org/10.3886/ICPSR00004.v3","1998"
"07645","ICPSR","Voting Scores for Members of the United States Congress, 1945-1982","Congressional Quarterly, Inc.","http://dx.doi.org/10.3886/ICPSR07645.v1","1982"