Photocopy typescript book and typescript carbon rough draft, with footnotes and appendix, regarding the history of the Willamette Valley and Cascade Mountain Wagon Road and the company that formed it, from approximately 1825 to 1940.

Papers of Lewis A. McArthur (1883-1951) and his family, particularly papers relating to research on Oregon place names. McArthur was a historian who published Oregon Geographic Names in 1928. He published a second edition of the work in 1944, and had completed most of the work for the third edition before his death.

The collection consists of materials compiled by Roger Rasmussen. These include records and ephemera of Baker Klan No. 13, to which his grandfather Walter Lee Lansing (1897-1962) had belonged; Rasmussen's own research about members of the Ku Klux Klan in Oregon and other individuals; and books and articles about the Klan, white supremacy, and anti-Catholicism.

Typescript photocopy book, 1978, containing Haralambos Kambouris' diary, 1912-1915, describing his life in America and work on various northwest railroads and mining enterprises in Utah; poems; photographs; and miscellaneous documents and letters, many in Greek. Kambouris (1898-1964) was a Greek immigrant who lived in Oregon and various western states.