Sen. John Breckinridge

Primary Sources

The information on this page is originally sourced from a variety of materials, including:

• Congressional Biographical Directory for elected positions
• United States Congressional Roll Call Voting Records, 1789-1990 by Howard L. Rosenthal and Keith T. Poole.
• Martis’s “The Historical Atlas of Political Parties in the United States Congress”, via Keith Poole’s roll call votes data set, for political party affiliation for Members of Congress from 1789 through about year 2000
• Biographical Directory of the United States Congress for the photo