For those interested in history, government, or political science, this document provides a wealth of information, descriptions, and historical tables concerning the following positions: for the House – Speaker, Party Floor Leader, Party Whip, and Conference or Caucus Chair; for the Senate – President Pro Tempore, Party Floor Leader, Party Whip, or Conference Chair. This Party Leadership site from the Senate offers a plethora of information as well; the House’s Office of the Clerk provides this House History.