Provisional and Territorial Records Guide
Black, Henry Campbell. Black's Law Dictionary, 5th ed. St. Paul Minnesota: West Publishing Co., 1979.
Brown, J. Henry. Brown's Political History of Oregon. Portland; Lewis & Dryden, 1892.
Clark, Malcolm. Eden Seekers: The Settlement of Oregon, 1818-1862. Boston; Houghton Mifflin, 1981.
Description of County Offices in Oregon and Check List of Their Records: Historical Records Survey of Oregon, Division of Women's and Professional Projects, Works Progress Administration of Oregon, 1937.
Grover, LaFayette, Commissioner. The Oregon Archives. Salem; Asahel Bush, Public Printer, 1853.
Hussey, John A. Champoeg: Place of Transition, A Disputed History. Portland; Oregon Historical Society, 1967.
Inventory of the County Archives of Oregon: Oregon Historical Records Survey. Federal Works Agency, Works Projects Administration, 1942. (Published editions available for thirteen Oregon counties.)
Oregon Blue Book: Contains brief histories and a listing of current county officials.
The Oregon Constitution and Proceedings and Debates of the Constitutional Convention of 1857, ed. Charles Henry Carey. Salem; State Printing Department, 1926.
Oregon Revised Statutes: Provides statutory information about the formation of county government in general and the statutory citation for the creation of each of Oregon's thirty-six counties.