The Oklahoma Leader (Oklahoma City, Okla.), Vol. 6, No. 37, Ed. 1 Saturday, March 20, 1920, newspaper, March 20, 1920; (https://gateway.okhistory.org/ark:/67531/metadc149030/m1/1/: accessed June 30, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .