Records date from 1960 to 1985 and include correspondence, administrative documents, financial records, campaign materials, and pamphlets.

Unprocessed papers collected by Steve Neal regarding Oregon politicians, especially Charles L. McNary, circa 1965-1989.

Unprocessed collection of records of the publication Oregon Voter Digest, consisting primarily of clippings and research materials on Oregon politicians.

Collection related to Walter M. Pierce, an educator, rancher, and politician who served as Oregon governor and in the U.S. House of Representatives. Materials include correspondence, primarily with family members and with J. A. Churchill, superintendent of public instruction, as well as minutes of the State Textbook Commission's meetings. Also included are Dictaphone belts made by Pierce's biographer, Arthur H. Bone, regarding Bone's research about Pierce and other topics.

Republican Party State Central Committee of Oregon records include correspondence, administrative documents, press releases, financial records, legislation, campaign materials, and pamphlets.

Max Rijken, a Democrat, represented Newport in the Oregon State Legislature, 1975-1987. This unprocessed collection consists primarily of state legislative bills and related papers, as well as government and serial publications. Materials also include correspondence.

Albert S. Roberts (1862-1933) was born in White Salmon, Washington, and his family moved to The Dalles in 1865. He was a wheat grower and sheep rancher and represented Wasco County as a Republican in the Oregon State Legislature. Topics in his diaries include his college days at the University of Oregon, farm life, his marriage to Rose Freeman, work in the state Legislature, and miscellaneous personal and family activities.

Collection includes legal documents and correspondence regarding immigrants (including Chinese), labor, politics, transportation, Portland bridges, lumbering, Thomas Ryan Gough's activities during World War II, and various misdemeanor and felony cases.

James Harvey Slater was elected prosecuting attorney for the 5th Judicial District in 1866, served in the U.S. House from 1871-1873, and was a U.S. senator from Oregon from 1879-1885. Papers include correspondence; estate and family papers; reminiscences; and speeches, 1867-1885, on topics including economics, politics, tariffs, and slavery.

Elmo Smith (1909-1968) established the Eastern Oregon Observer newspaper and served in the Oregon Legislature and as governor. Papers date from 1932 to 1956 and include diplomas, business cards, an appointment book, and a letter from C. T. Caulfield, commander of the U.S. Navy Training Center.