The Umpire (Norman, Okla.), Vol. 6, No. 60, Ed. 1 Friday, April 26, 1912, newspaper, April 26, 1912; (https://gateway.okhistory.org/ark:/67531/metadc1832524/m1/2/: accessed July 18, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .