Documents
Supplement to the Congressional Globe, "Trial of the President," 2d Session, 40th Congress (1868)

Books
Benedict, Michael L., The Impeachment Trial of Andrew Johnson (Norton, 1973)
Dewitt, David, The Impeachment and Trial of Andrew Johnson (Macmillan, 1903)
Gerson, Noel B, The Trial of Andrew Johnson (Thomas Nelson, 1977)
Rehnquist, William H., Grand Inquests (William Morrow, 1992)
Simpson, Gene, High Crimes and Misdemeanors: The Impeachment Trial of Andrew Johnson (Wm. Morrow, 1977)

Stewart, David O., Impeached: The Trial of President Andrew Johnson and the Fight for Lincoln's Legacy (Simon & Schuster, 2009)
Trefousse, Hans L., Andrew Johnson (Norton, 1989)

General Periodicals
Treffousse, Hans L., "Impeach Johnson!," Constitution (Summer, 1989)

Video Materials
History Channel, "High Crimes and Misdemeanors,"  American Justice Series

Internet
HarpWeek, "The Impeachment of Andrew Johnson," http://www.impeach-andrewjohnson.com
New York Times, "Andrew Johnson's Obituary," http://starship.python.net/crew/manus/Presidents/aj2/aj2obit.html