- Gale, J. M.1
- Gallatin, Albert, 1761-1849.1
- Haynes, F. Jay 1853-1921. (Frank Jay),4
- Himes, George H., 1844-1940.1
- Hudson's Bay Company.1
- J. Thompson (Firm)1
- Jackson, William Henry, 1843-1942.4
- Jones, William, 1760-1831.1
- Lange, Edward, 1846-1912.1
- McKinlay, Archibald, 1811-1891.1
- Meeker, Ezra, 1830-1928.4
- Mission San Gabriel Arcangel (San Gabriel, Calif.)4
- Monroe, James, 1758-1831.1
- Nelson, William1
- Nez Perce Indians1
- Nimmo, Joseph, 1837-19091
- Northern Pacific Railway Company1
- Oregon Furniture Manufacturing Company.1
- Oregon National Historic Trail1
- Oregon Pacific Railroad Company1