Sapulpa Herald (Sapulpa, Okla.), Vol. 15, No. 203, Ed. 1 Tuesday, April 30, 1929, newspaper, April 30, 1929; (https://gateway.okhistory.org/ark:/67531/metadc1523168/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .