Haskell, Charles N. New-State Tribune. (Oklahoma City, Okla.), Vol. 17, No. 20, Ed. 1 Thursday, April 13, 1911, newspaper, April 13, 1911; (https://gateway.okhistory.org/ark:/67531/metadc97567/m1/1/: accessed July 22, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .