This page details a specific electronic resource that has been indicated by Villanova Librarians as useful in conducting research.
Roll Call Voting Data(base) 83rd-108th Congress
The PIPC (Public Institutions and Public Choice Program) codes each roll call from the 83rd to the 108th Congress for vote type, i.e. rule, amendment, final passage etc. as well as issue type. Also included are the vote margins.
See the accompanying (Adobe) codebook for explanations of dataset codes.
Reforming American Politics