Thomas F. Hartung (born 1927), a Republican, was a longtime Oregon state legislator, primarily representing Washington County. Papers date from 1967 to 1974 and consist of correspondence and notes, including letters on public issues addressed to Hartung by constituents and political colleagues. Includes substantial material pertaining to agriculture, education, and taxation.

Memorandum of understanding for the 2003 Oregon Senate, which set procedures for Senate committees and assigned committee chairs and vice chairs. The 2003 Oregon Senate was evenly divided between 15 Democrats and 15 Republicans; Democratic Senator Peter Courtney served as Senate president while Republican Senator Lenn Hannon served as Senate president pro tempore.

Poster showing the members of the Oregon Senate in 2001, with autographs from each senator.