Sapulpa Herald (Sapulpa, Okla.), Vol. 16, No. 187, Ed. 1 Friday, April 11, 1930, newspaper, April 11, 1930; (https://gateway.okhistory.org/ark:/67531/metadc1521116/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .