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 Patrick E. Dooley conducted by Clark Hansen from September 23 to October 26, 1992, as part of the Oregon Legislature Oral History Series. Dooley was a Portland attorney, an Oregon state representative from 1953 to 1958, and a Multnomah County Circuit Court judge from 1968 to 1983.

Oral history interview with Dick Eymann conducted by Clark Hansen from December 2, 1993, to September 8, 1994, as part of the Oregon Legislature Oral History Series. Eymann was an Oregon state representative from 1957 to 1974.

Oral history interview with Ted Hallock conducted by Clark Hansen from March 15-November 2, 1993, as part of the Oregon Legislature Oral History Series. Hallock was a radio broadcaster, journalist, and Oregon state senator.

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 Ken Jernstedt conducted by Clark Hansen from February 23-April 13, 1995, in Hood River, Oregon, as part of the Oregon Legislature Oral History Series. Jernstedt was an Oregon state representative and senator.

Oral history interview with Irvin Luiten conducted by James Strassmaier from March 16, 1988, to January 18, 1990, as part of the Oregon Legislature Oral History Series. Luiten was a lobbyist for the Weyerhaeuser Company from 1953 to 1978.

Oral history interview with Hector Macpherson, Jr. conducted by Clark Hansen from February 14 to 25, 1992, as part of the Oregon Legislature Oral History Series. Macpherson was an Oregon state senator from 1971 to 1974.

Oral history interview with Howard Morgan conducted by Clark Hansen from August 25 to October 7, 1992, as part of the Oregon Legislature Oral History Series. Morgan represented Clackamas and Multnomah counties in the Oregon House of Representatives in 1949; was chair of the Democratic Party of Oregon in 1955; was Oregon Public Utility Commissioner from 1957 to 1959; and was a member of the Federal Power Commission in 1961.

Oral history interview with John D. Mosser conducted by Clark Hansen from November 15 to December 11, 1990, as part of the Oregon Legislature Oral History Series. Mosser was an Oregon state representative in 1957 and from 1963 to 1966.