The Oklahoma Leader. (Guthrie, Okla.), Vol. 21, No. 22, Ed. 1 Thursday, April 20, 1911, newspaper, April 20, 1911; (https://gateway.okhistory.org/ark:/67531/metadc162778/m1/1/: accessed April 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .