Niblack, Leslie G. The Guthrie Daily Leader (Guthrie, Okla.), Vol. 49, No. 123, Ed. 1 Tuesday, June 8, 1915, newspaper, June 8, 1915; (https://gateway.okhistory.org/ark:/67531/metadc617449/m1/1/: accessed December 10, 2018), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .