The Indian Advocate. (Sacred Heart Mission, Okla. Terr.), Vol. 11, No. 4, Ed. 1, Sunday, October 1, 1899, newspaper, October 1, 1899; (https://gateway.okhistory.org/ark:/67531/metadc69776/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .