Sapulpa Herald (Sapulpa, Okla.), Vol. 22, No. 202, Ed. 1 Wednesday, April 28, 1937, newspaper, April 28, 1937; (https://gateway.okhistory.org/ark:/67531/metadc1524521/m1/1/: accessed June 9, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .