The Oklahoma Leader (Oklahoma City, Okla.), Vol. 6, No. 34, Ed. 1 Saturday, February 28, 1920, newspaper, February 28, 1920; (https://gateway.okhistory.org/ark:/67531/metadc149012/m1/1/: accessed August 15, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .