Oklahoma State Register. (Guthrie, Okla.), Vol. 16, No. 14, Ed. 1 Thursday, May 2, 1907, newspaper, May 2, 1907; (https://gateway.okhistory.org/ark:/67531/metadc112546/m1/3/: accessed June 10, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .