The Sunday Tulsa Daily World (Tulsa, Okla.), Vol. 14, No. 239, Ed. 1, Sunday, May 23, 1920, newspaper, May 23, 1920; (https://gateway.okhistory.org/ark:/67531/metadc77369/m1/1/: accessed April 23, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .