Number: RL30567
Title: Party Leaders in the United States Congress, 1789-2009
Authors: Valerie Heitshusen, Government and Finance Division 
Abstract: This report describes current responsibilities and selection mechanisms for 15 House and Senate party leadership posts and provides tables with historical data, including service dates, party affiliation, and other information for each. Tables have been updated as of the report's issuance date to reflect leadership changes. The report will be updated as changes in House and Senate party leadership positions occur.
Pages: 38
Date: November 25, 2008