83rd – 110th Congresses
Last updated – June 16, 2010
NOTE: Please be sure to read through the codebook and notes on the final page, as there have been several notable changes from previous versions.
Stata Data File [DTA]
Codebook [PDF]
Stata .DO and .DTA files from: John Aldrich, Michael Brady, Scott de Marchi, Ian McDonald, Brendan Nyhan, David Rohde, and Michael Tofias. "Party and Constituency in the U.S. Senate, 1933-2004" in Why Not Parties?, Nathan W. Monroe, Jason M. Roberts, and David Rohde, eds., University of Chicago Press, forthcoming. [ZIP]