The Walter New Era (Walter, Okla.), Vol. 14, No. 41, Ed. 1 Thursday, May 20, 1915, newspaper, May 20, 1915; (https://gateway.okhistory.org/ark:/67531/metadc1721768/m1/1/: accessed June 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .