"This document contains the full record of the United States Senate Proceedings in the impeachment trial of President William Jefferson Clinton. ... The present four volumes include the Senate proceddings in open session; filings by the parties; supplemental materials received in evidence that were not part of the House record, such as affidavits and depositions; floor statements of Senators in open session expressing their views regarding the proceedings; and statements delivered in closed deliberations that individual Senators elected to make public." --Foreword.