These are the source references for Episode 5 of Rachel Maddow's Bag Man podcast, a transcript of which you can find here. Subscribe through your preferred podcasting service.
Books:
Witcover, Jules. “Very Strange Bedfellows: The Short and Unhappy Marriage of Richard Nixon and Spiro Agnew”, PublicAffairs, 2008
Cohen, Richard and Witcover, Jules. “A Heartbeat Away”, Viking Press, 1974
Agnew, Spiro T. “Go Quietly … Or Else”, William Morrow, 1980
Nixon, Richard. “RN: The Memoirs of Richard Nixon”, Simon & Schuster, 1990
London, Martin. “The Client Decides: A Litigator's Life: Jackie Onassis, Vice President Spiro Agnew, Donald Trump, Roy Cohn, and More”, Eastlake Press, 2017
Coffey, Justin. “Spiro Agnew and The Rise of the Republican Right”, Praeger, 2015
Ehrlichman, John. “Witness to Power: The Nixon Years”, Simon & Schuster Publishing, 1982
Richardson, Elliot. “The Creative Balance: Government, Politics, and The Individual in America’s Third Century.” Holt, Rinehart and Winston. 1976
Haig, Alexander M. “Inner Circles: How America Changed The World: A Memoir”, Grand Central Publishing, 1992
Articles:
“Carl Albert, Watergate-Era House Speaker, Dies at 91”, Los Angeles Times (Feb. 6, 2000)
“Speaker Albert Was Ready To Be President”, The Washington Post, November 28, 1982
“Secret Memo Shows Bipartisanship During Watergate Succession Crisis”, Fins, Joseph J., The Conversation, January 22, 2018
“Agnew Asks House To Probe Him After Being Told Jury To Get Data”, Wilkes-Barre Times Leader Newspaper (September 26, 1973)
“False Tears Shed Over Agnew”, The Boston Globe (October 15, 1973)
“Meany: President Shows Dangerous Instability”, The Palm Beach Post (October 25, 1973)
“Closing In on Agnew: The Prosecutors’ Story” by Aaron Latham. “New York Magazine” (November 26, 1973)
Archival Material:
NBC Nightly News (January 15, 1975)
NBC News Special Coverage (May 23, 1973)
NBC News Special Report (April 11, 1961)
May 25, 1973. Richard Nixon White House Tapes, Richard Nixon Presidential Library and Museum, Yorba Linda, CA
NBC Nightly News (September 25, 1973)
NBC Nightly News (September 24, 1973)
NBC News Special Report (August 22, 1973)
NBC Nightly News (September 22, 1973)
Notes and Papers on Investigation of Vice President Spiro T. Agnew. Elliot L. Richardson Papers, Manuscript Division, Library
Notes and Papers on Baltimore County Investigation, 1973. Beall Collection / Lewis J. Ort Library, Frostburg State University