• British Columbia 1896
• Washington Territory
• Washington Territorial Commission
• Washington State University Libraries
• Oregon Territory - 1838
• Oregon Territory - 1843
• Oregon Territory - 1847
• Oregon Territory - 1851
• Oregon Territory - 1853
• Oregon Territory - 1856
• Oregon Territory Hudson Bay Forts
• Oregon State Archives

Journals

• Fort Nisqually 1833 - 1835
• Fort Colvile 1830 - 1831
• York Factory to Ft. Vancouver 1926
• John Work
• Alexander Ross 1824
• Peter Skene Ogden
• William Kittson 1824 - 1825
• Hudson Bay Company
• Library of Western Fur Trade Historical Source Documents

Business Records

• Fur Trade Business Records
• Hudson Bay Company

Books and Periodicals

• Washington State History Bibliography
• Oregon History- Bibliography
• British Columbia History Bibliography
• Idaho History Bibliography
• Montana History Bibliography

Pacific Northwest History

• University of Washington Libraries

Oregon History

• The Oregon History Project Oregon Historical Society
• Oregon State Archives

Washington History

• Clark County Place Names
• Clark County History