The Kiowa Sentinel. (Kiowa, Indian Terr.), Vol. 4, No. 23, Ed. 1 Thursday, June 20, 1907, newspaper, June 20, 1907; (https://gateway.okhistory.org/ark:/67531/metadc272529/m1/1/: accessed June 13, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .