The Rocky Weekly Advance. (Rocky, Okla.), Vol. 3, No. 3, Ed. 1 Thursday, May 7, 1908, newspaper, May 7, 1908; (https://gateway.okhistory.org/ark:/67531/metadc937780/m1/1/: accessed December 13, 2017), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .