Sapulpa Free Press (Sapulpa, Okla.), Vol. 1, No. 18, Ed. 1 Friday, April 29, 1932, newspaper, April 29, 1932; (https://gateway.okhistory.org/ark:/67531/metadc1477606/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .