Exhibit Sources & Additional Information
1948: Truman
- Dickerson, John. Daily Beast. How Truman Reinvented Campaigning. (April 13, 2017).
 - Grace, Michael. cruiselinehistory.com: “Give ’em hell” Harry! President Truman aboard his 1948 campaign train heading to win re-election. (November 8, 2016).
 - Harry S. Truman Library and Museum
 
1964: Johnson, Goldwater, Humphrey
- The American Presidency Project: Lyndon B Johnson Remarks on Conservation at a Breakfast in Portland Saluting the Northwest-Southwest Power Transmission Intertie. (September 17, 1964).
 - Arizona State University: Senator Barry M. Goldwater 1964 Presidential Campaign Speeches
 - Minnesota Historical Society: Hubert Humphrey's Portland and Pendleton, Oregon speeches, Oct. 30, 1964. Found in Inventory of Hubert Humphrey's Speech Text Files manuscript collection.
 
1970: Nixon vs. Vortex
- The History Channel: Nixon's July 4 Bash Ended With Tear Gas and Nude Protesters. (n.d.)
 - PBS: Oregon Experience Episode 403: Vortex I. (February 8, 2010).
 - Portland State University: The Seventh Day (1970)
 - Vortex Music Magazine: Vortex I: A Biodegradable Festival of Life
 
Today: Echoing the Past
- Inaugural Address by President Joseph R. Biden, Jr. (January 20, 2021).
 - Shafer, Ronald G. Washington Post: The ugliest presidential election in history: Fraud, voter intimidation and a backroom deal. (November 24, 2020).
 
Credits
- Research
- Deidre Thieman
 - Kevin Dean
 - Paige Monlux
 - Terry Baxter
 
 - Writing
- Deidre Thieman
 - Paige Monlux
 - Terry Baxter