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 Sam H. Mallicoat conducted by Clark Hansen from May 23-27, 1988, as part of the Senator Mark O. Hatfield Oral History Project. Mallicoat was Hatfield's chief of staff from 1967 to 1973.

Documents, correspondence, scrapbooks, and ephemera relating to the public service and personal life of U.S. Senator Charles Linza McNary of Oregon.

Oral history interview with Jack Robertson conducted by Clark Hansen from November 7 to December 30, 1988, as part of the Senator Mark O. Hatfield Oral History Project. Robertson was a legislative aide and press secretary for Hatfield from 1973 to 1982.

Oral history interview with Wendell Wyatt conducted by Randall Weisberg from January 28 to March 24, 1992, as part of the United States District Court Oral History Project. Wyatt was a lawyer in Astoria and Portland, Oregon, and represented Oregon in the U.S. House of Representatives from 1964 to 1975.

Oral history interview with Jean Young conducted by Linda Watkins from February 12 to March 25, 1988, as part of the Oregon Legislature Oral History Series. Young was active in the Oregon Republican Party beginning in 1936, as well as mayor of King City, Oregon, from 1981 to 1989.