Henderson, Virgil L. State Sentinel (Stigler, Okla.), Vol. 15, No. 20, Ed. 1 Thursday, July 29, 1920, newspaper, July 29, 1920; (https://gateway.okhistory.org/ark:/67531/metadc99736/m1/1/: accessed February 22, 2020), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .