Headed by Sam Ervin, (D-NC), the Senate Watergate Committee investigated the Watergate break-in, the ensuing cover-up, and other aspects of the Watergate scandal.
The House Committee on the Judiciary, headed by Peter Rodino (D-NJ), held hearings on the Watergate break-in and related matters, including the impeachment of President Nixon.
Transcripts of Presidential recordings related to Watergate. See also the Watergate Audio page to listen to these recordings.
FBI Watergate investigative files (Bureau file 139-4089), plus an investigation summary document.
Other Goverment Reports
Report of the Watergate Special Prosecution Force. The WSPF was an investigatory and prosecutive agency within the Department of Justice.
Examination of President Nixon's Tax Returns for 1969 Through 1972. The Joint Committee on Internal Revenue Taxation produced this report.
Report and Recommendations of the Watergate Grand Jury. This report, only declassified in October 2018, was delivered by the Watergate grand jury to the House of Representatives, to be used as a "road map" for evidence to be used in possible impeachment hearings.