The Morning Tulsa Daily World (Tulsa, Okla.), Vol. 15, No. 321, Ed. 1, Thursday, August 18, 1921, newspaper, August 18, 1921; (https://gateway.okhistory.org/ark:/67531/metadc77840/m1/1/: accessed February 26, 2021), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .