^ Phillips, James W. (1971). Washington State Place Names. University of Washington Press. ISBN 0-295-95158-3.
^ McDowell, Jim (1998). José Narváez: The Forgotten Explorer. Spokane, Washington: The Arthur H. Clark Company. p. 55. ISBN 0-87062-265-X.
^ Meany, Edmond S. (1919). "Origin of Washington Geographic Names". The Pacific Northwest Quarterly (Washington University State Historical Society) X: 56. Retrieved 2009-06-11.
^ "American FactFinder". United States Census Bureau. Retrieved 2008-01-31.
