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 and relating to physician Edna Sherrill Eames, who worked for the city health bureau in Portland, Oregon, and was the first woman to be a city medical inspector. Materials include diplomas; correspondence on personal matters, her service in the Army medical corps during World War I, and recommendations; and photocopies of newspaper clippings about her career.

Olof Larsell (1886-1964) was head of the Anatomy Department at the University of Oregon Medical School. Collection includes notes and research by Larsell regarding Theophilus Degen, pioneer obstetrician, for Larsell's book "The Doctor in Oregon."

John R. Lord (died 1906) was a physician and surgeon in Orono, Maine. He married Jeanette Record in 1848 and came to Oregon in the early 1880s. Collection includes letters of introduction and recommendations, marriage license, commission as justice of the peace, a will, and other documents.

Typescript reminiscences of Edward Everett Mingus's life and experiences as a physician in many Oregon cities, his service in the U. S. Army Medical Officers' Reserve Corps during World War I, etc.

Collection includes medical licenses issued in Multnomah County, Oregon, 1893-1941; and scrapbooks, 1954-1955, regarding medical topics including chiropractic, naturopathic and osteopathic practitioners.