Sapulpa Herald (Sapulpa, Okla.), Vol. 4, No. 277, Ed. 1 Monday, July 29, 1918, newspaper, July 29, 1918; (https://gateway.okhistory.org/ark:/67531/metadc1519550/m1/3/: accessed August 15, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .