The Constitution Annotated discusses impeachment, per the constitutional provisions shown below, in the following essays:
The House of Representatives shall chuse their Speaker and other Officers; and shall have the sole Power of Impeachment.
ArtI.S2.C5.1 The Power of Impeachment
The Senate shall have the sole Power to try all Impeachments. When sitting for that Purpose, they shall be on Oath or Affirmation. When the President of the United States is tried, the Chief Justice shall preside: And no Person shall be convicted without the Concurrence of two thirds of the Members present.
ArtI.S3.C6.1 The Power to Try Impeachments
ArtI.S3.C6.1.1 The Power to Try Impeachments: Overview
ArtI.S3.C6.1.2 The Power to Try Impeachments: Historical Background
ArtI.S3.C6.1.3 The Power to Try Impeachments: Doctrine and Practice
Judgment in Cases of Impeachment shall not extend further than to removal from Office, and disqualification to hold and enjoy any Office of honor, Trust or Profit under the United States: but the Party convicted shall nevertheless be liable and subject to Indictment, Trial, Judgment and Punishment, according to Law.
ArtI.S3.C7.1 Judgment in Cases of Impeachment
The President, Vice President and all civil Officers of the United States, shall be removed from Office on Impeachment for, and Conviction of, Treason, Bribery, or other high Crimes and Misdemeanors.
ArtII.S4.1 Impeachment and Removal from Office
ArtII.S4.1.1 Impeachment and Removal from Office: Overview
ArtII.S4.1.2 Impeachment and Removal from Office: Select Topics for Consideration
ArtII.S4.2 Impeachable Offenses
ArtII.S4.2.1 Impeachable Offenses: Overview
ArtII.S4.2.2 Impeachable Offenses: Historical Background
ArtII.S4.2.3 Impeachable Offenses: Doctrine and Practice
ArtII.S220.127.116.11 Impeachable Offenses: Early Historical Practice (1789–1860)
ArtII.S18.104.22.168 Impeachable Offenses: Impeachment of Andrew Johnson
ArtII.S22.214.171.124 Impeachable Offenses: Post-Bellum Practices (1865–1900)
ArtII.S126.96.36.199 Impeachable Offenses: Early Twentieth Century Practices
ArtII.S188.8.131.52 Impeachable Offenses: Effort to Impeach Richard Nixon
ArtII.S184.108.40.206 Impeachable Offenses: Impeachment of Bill Clinton
ArtII.S220.127.116.11 Impeachable Offenses: Contemporary Judicial Impeachments
The judicial Power of the United States, shall be vested in one supreme Court, and in such inferior Courts as the Congress may from time to time ordain and establish. The Judges, both of the supreme and inferior Courts, shall hold their Offices during good Behaviour, and shall, at stated Times, receive for their Services, a Compensation, which shall not be diminished during their Continuance in Office.
ArtIII.S1.1.2 Organization of Courts, Tenure, and Compensation of Judges: Select Topics for Consideration
Congressional Research Service
The Impeachment and Trial of a Former President (Jan. 15, 2021), https://crsreports.congress.gov/product/pdf/LSB/LSB10565
Obtaining Witnesses In an Impeachment Trial: Compulsion, Executive Privilege, and the Courts (Jan. 21, 2020), https://crsreports.congress.gov/product/pdf/LSB/LSB10396
Impeachment and the Constitution (Nov. 20, 2019), https://crsreports.congress.gov/product/pdf/R/R46013
Congressional Access to Information in an Impeachment Investigation (Oct. 25, 2019), https://crsreports.congress.gov/product/pdf/R/R45983
Impeachment Investigations: Law and Process (Oct. 2, 2019), https://crsreports.congress.gov/product/pdf/LSB/LSB10347
Congress’s Authority to Influence and Control Executive Branch (Dec. 19, 2018), https://crsreports.congress.gov/product/pdf/R/R45442