Oral history interview with Douglas E. Coe conducted by Clark Hansen on June 8, 1988, as part of the Senator Mark O. Hatfield Oral History Project. Coe was an evangelical minister and advisor to U.S. Senator Mark Hatfield.

Oral history interview with John R. Dellenback conducted by Clark Hansen from June 24 to October 3, 1992, as part of the Oregon Legislature Oral History Series. Dellenback was an Oregon representative, a congressman, and director of the Peace Corps.

Oral history interview with Mark O. Hatfield conducted by Clark Hansen from July 29, 1998, to May 22, 2002, as part of the Senator Mark O. Hatfield Oral History Project. Hatfield was an Oregon state legislator, Oregon secretary of state, Oregon governor, and a U.S. senator.

Oral history interview with Malcolm Marsh conducted by Clark Hansen from January 27 to May 10, 2005, as part of the United States District Court Oral History Project. Marsh discusses his career as a lawyer in Salem, Oregon, and as a judge on the U.S. District Court of Oregon.