10. Col. W.P. Boudinot. The Fort Gibson Post, April 23, 1898. Re: travel of W.P. Boudinot to Kansas City to receive treatment for addiction to morphine.
11. Col. W.P. Boudinot. The Fort Gibson Post, June 23, 1898. Re: statement by Frank J. Boudinot that he believed his father (W.P. Boudinot) had committed suicide.
12. Story of the strange disappearance of W.P. Boudinot. The Vinita Leader, February 23, 1899.