Dalton, Clarence G. Creek County Courier (Sapulpa, Okla.), Vol. 5, No. 33, Ed. 1 Thursday, April 21, 1910, newspaper, April 21, 1910; (https://gateway.okhistory.org/ark:/67531/metadc1475097/m1/3/: accessed August 20, 2019), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .