Tolong jelaskan mengenai Lihat juga dari Pencabaran Andrew Johnson dalam bahasa melayu

Proses pemecatan terhadap Richard Nixon, 1973–1974

Siasatan pemecatan terhadap Donald Trump, 2019

Andrew Johnson Impeachment Trial (1868), essay and other resources, www.famous-trials.com, University of Missouri-Kansas City Law School

The Impeachment of Andrew Johnson, excerpts from 1865–1869 Harper's Weekly articles along with other information (a HarpWeek website)

Interview with William Rehnquist on Grand Inquests: The Historic Impeachments of Justice Samuel Chase and President Andrew Johnson, 1992, Booknotes, C-SPAN