Forster, William. The Post. (Brule, Okla. Terr.), Vol. 2, No. 47, Ed. 1 Friday, May 10, 1907, newspaper, May 10, 1907; (https://gateway.okhistory.org/ark:/67531/metadc941411/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .