Oral history interview with Kathryn Boe-Duncan conducted by James Strassmaier from October 15 to December 9, 1993, and on April 10, 2002, as part of the Oregon Legislature Oral History Series. Boe-Duncan was the wife of Oregon State Senator Jason Boe.

Oral history interview with Travis Cross conducted by Jim Strassmaier from October 8 to November 23, 1987, as part of the Senator Mark O. Hatfield Oral History Project. Cross was a member of Hatfield's staff when he was Oregon secretary of state and governor.

Oral history interview with Walter H. Evans, III conducted by Jim Strassmaier from June 6-9, 1988, as part of the Senator Mark O. Hatfield Oral History Project. Evans served as an aide and legal counsel to Hatfield.

Oral history interview with Gerry Frank conducted by Jim Strassmaier from May 25, 1988, to May 2, 1990, as part of the Senator Mark O. Hatfield Oral History Project. Frank supported Hatfield's political career and served as his chief of staff.

Oral history interview with Wesley Granberg-Michaelson conducted by Jim Strassmaier from October 18, 1988, to May 28, 1989, as part of the Senator Mark O. Hatfield Oral History Project. Granberg-Michaelson served as a foreign policy advisor on Hatfield's staff from 1969 to 1976.

Oral history interview with Richard H. Jones conducted by Jim Strassmaier from December 11, 1987, to January 13, 1988, as part of the Senator Mark O. Hatfield Oral History Project. Jones served as Hatfield's campaign chair in 1958, 1966, 1978, and 1984.

Oral history interview with Lotus Jean Markham conducted by Jim Strassmaier on May 8, 1997, as part of the Oregon Legislature Oral History Series. Markham was secretary and legislative aide to her husband, Oregon legislator Bill Markham.

Oral history interview with Warne H. Nunn conducted by Jim Strassmaier from October 20 to November 3, 1987, as part of the Senator Mark O. Hatfield Oral History Project. Nunn was chief of staff to Governor Mark Hatfield.

Oral history interview with Charles O. Porter conducted by James Strassmaier from July 18-November 7, 1986, as part of the Oregon Legislature Oral History Series. Porter was a congressman from Oregon.

Oral history interview with Debbs Potts conducted by James Strassmaier from April 15, 1991, to May 28, 1991, as part of the Oregon Legislature Oral History Series. Potts served as an Oregon state senator from 1961 to 1984.