The Indian Advocate. (Sacred Heart Mission, Okla. Terr.), Vol. 9, No. 2, Ed. 1, Thursday, April 1, 1897, newspaper, April 1, 1897; (https://gateway.okhistory.org/ark:/67531/metadc69766/m1/1/: accessed April 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .