The People's Press (Perkins, Okla.), Vol. 3, No. 18, Ed. 1 Thursday, June 13, 1907, newspaper, June 13, 1907; (https://gateway.okhistory.org/ark:/67531/metadc304859/m1/1/: accessed March 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .