Oscar Terry Peter Beck was a testing engineer in Portland, Oregon, circa 1900-1946. Collection includes correspondence with Clifton N. McArthur and Frederick Steiwer; notes on construction jobs; documents of the Portland Cement Co.; and reports and specifications regarding engineering activities in the Portland area.

Collection includes manuscript diary, 1895, regarding a prospecting trip to Yukon along with four partners from Bridal Veil, Oregon; and a manuscript notebook, 1888-1897, with accounts, song lyrics, and poems.

Papers of John Franklin Calbreath, an Oregon physician and state senator, including family letters of Sidney and Mianda Smith, John U. Smith, and Irene Smith Calbreath; political letters from John H. Mitchell and George W. McBride; a copy of an 1839 overland journal of Sidney Smith; accounts and notebooks of John Franklin Calbreath; and biographical and genealogical materials.

Papers of Dwight E. Gard (1909-1971) include a notebook he kept while he was held as a prisoner of war by Japanese forces during World War II, along with related correspondence and articles, and materials relating to Multnomah Bank, the bank he later founded in Portland, Oregon. These include newspaper clippings, reports of condition, and a small quantity of advertisements, photographs, and blank checks and stationery.

Surveying notebooks of townships in the area of Vancouver, Washington; Des Moines River, Clearwater and Snake Rivers, 1905; and "Report of Reconnaissance between Albany and Ontario, Oregon, September and October 1904."

Papers of and relating to James A. Larned, including correspondence and forms relating to employment; reminiscences; genealogical information; and a handwritten notebook regarding railroad policies. Larned (1877-1969) worked as a telegraph operator and later as a claims agent for the Union Pacific Railroad Company.

Papers of an Oregon soldier and merchant of Ashland, containing materials relating to the First Oregon Cavalry, Fort Klamath, the Central Oregon Military Road, other Oregon road companies, and personal business matters. Includes correspondence, diary, legal papers, and ledgers.

Pocket notebook with handwritten entries relating to land and goods. Includes entries and lists with names and property descriptions; accounts; and lists of goods, with prices. Entries may have been made by more than one person.

Diaries, notebooks, and other papers of Joseph Paquet (1841-1924), an Oregon shipbuilder and construction contractor. Includes notes and specifications on steamboats active on the Willamette and Columbia rivers in the late 19th and early 20th centuries.

Papers of Edwin J. Peterson, including notebooks, bound volumes of his judicial opinions, photograph albums, and scrapbooks. Peterson was a justice on the Oregon Supreme Court from 1979 to 1993, and was chief justice from 1981 to 1991.