The Sunday Tulsa Daily World (Tulsa, Okla.), Vol. 15, No. 345, Ed. 1, Sunday, September 11, 1921, newspaper, September 11, 1921; (https://gateway.okhistory.org/ark:/67531/metadc77848/m1/35/: accessed July 16, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .