Ralph Penniwell Cowgill (born 1880) served as an engineer for the Oregon State Game Commission, president of the Oregon Game Protective Association, and in the Oregon Legislature. Collection includes correspondence and reports, 1922-1935, regarding his work with those organizations, as well as the Oregon Reserve Corps and National Guard, with emphasis on fish husbandry and river pollution.

Collection of printed material from Oregon's territorial period and early statehood, including legislation, advertisements, notices, proclamations, and ephemera. George N. Belknap (1905-1996) listed most of the items in this collection in his 1968 work, "Oregon Imprints, 1845-1870," or in addendums to that work.