The Indian Advocate (Sacred Heart Mission, Okla. Terr.), Vol. 19, No. 1, Ed. 1, Tuesday, January 1, 1907, newspaper, January 1, 1907; (https://gateway.okhistory.org/ark:/67531/metadc69855/m1/3/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .