The Eldorado Courier (Eldorado, Okla.), Vol. 9, No. 41, Ed. 1 Friday, April 21, 1911, newspaper, April 21, 1911; (https://gateway.okhistory.org/ark:/67531/metadc403144/m1/4/: accessed June 22, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .