The People's Press (Perkins, Okla.), Vol. 3, No. 15, Ed. 1 Thursday, May 23, 1907, newspaper, May 23, 1907; (https://gateway.okhistory.org/ark:/67531/metadc305007/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .