The Claremore Progress (Claremore, Okla.), Vol. 28, No. 21, Ed. 1 Thursday, April 22, 1920, newspaper, April 22, 1920; (https://gateway.okhistory.org/ark:/67531/metadc183030/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .