United States. Congress. Senate

Joseph Lane (1801-1881) was an active Oregonian politician serving as Governor and Oregon's first Senator. The Joseph Lane papers include diaries, correspondence, legal documents, newspaper clippings, a draft of Nina Lane Faubion’s biography of Lane, and photographs.

Charles Linza McNary (1874-1944) was a Republican Senator from Oregon and served as an Oregon Supreme Court associate justice. The collection contains records from McNary's years as Senator that deal with Oregon concerns including correspondence, bills, briefs, and research material about internal improvements, such as rivers and harbors, bridges, state parks railroads, roads, and airports, as well as agriculture, trade, veteran hospitals and a few personal materials and photographs.

John H. Mitchell (1835-1905) represented Oregon in the U.S. Senate, as a Republican, and he was also indicted in a land fraud scandal. The collection contains a letter dated January 18, 1905 from Mary Phelps Montgomery of Washington, D.C, to Walter F. Burrell of Portland, Oregon regarding Mitchell's indictment.

Wayne Lyman Morse (1900-1974) was a United States Senator from 1945-1969. He was a member of the Labor and Welfare Committee, Armed Services Committee, and Foreign Relations Committee and served as a delegate to the United Nations. The collection contains senatorial papers, 1944-1968, research material, arbitration decisions, speeches, financial material, mementos and personal and general correspondence.

Richard Lewis Neuberger (1912-1960), an Oregon native, was a U.S. Senator (D-OR) from 1954 to 1960. The Richard Neuberger collection consists of correspondence, legislation, published articles, and newspaper articles which pertain to the literary and political career of Richard Lewis Neuberger.

An Oregon resident between 1943 and 1950, Edna Stinsman assembled a valuable collection of secondary material regarding some of the Pacific Northwest boundary disputes between the United States and Great Britain, focusing on the San Juan Island dispute and the Oregon Question. The collection contains correspondence and gathered research regarding the history of Oregon boundary disputes.

Frederick Steiwer (1883-1939) became a lawyer who served as Oregon district attorney 1912-1916, was elected to the State Senate, served in WWI, and was elected to the U.S. Senate (1926-1938). The collection contains political campaign records, army records, correspondence and clippings, 1911-1933.