Oral history interview with Jenna L. Dorn conducted by Clark Hansen from June 13-15, 1988, as part of the Senator Mark O. Hatfield Oral History Project. Dorn was a legislative assistant to Hatfield from 1977 to 1981.

Oral history interview with Maurine Neuberger conducted by Cynthia Harrison on December 15, 1978. Neuberger served in the Oregon House of Representatives from 1951 to 1955 and in the U.S. Senate from 1960 to 1964.

Oral history interview with Bob Packwood conducted by Clark Hansen from January 26, 1996, to August 20, 2003, as part of the Oregon Legislature Oral History Series. Packwood was a U.S. senator from Oregon from 1969 to 1995. Packwood resigned from his seat after the Senate Ethics Committee recommended his expulsion following an investigation of allegations that he committed sexual misconduct.