The Morning Tulsa Daily World (Tulsa, Okla.), Vol. 15, No. 266, Ed. 1, Friday, June 24, 1921, newspaper, June 24, 1921; (https://gateway.okhistory.org/ark:/67531/metadc77805/m1/1/: accessed February 27, 2021), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .