The Oklahoma Ledger. (Sterling, Okla.), Vol. 11, No. 19, Ed. 1 Thursday, April 20, 1916, newspaper, April 20, 1916; (https://gateway.okhistory.org/ark:/67531/metadc155395/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .