Wilma referenced "Petition: To the Honorable Arthur A. Denny, Delegate to Congress from Washington Territory," n.d., National Archives Roll 909, "Letters Received by the Office of Indian Affairs, 1824-81"; Pioneer Association of the State of Washington, "A Petition to Support Recognition of The Duwamish Indians as a 'Tribe', June 18, 1988, in possession of Ken Tollefson, Seattle, Washington.
