The Daily Transcript (Norman, Okla.), Vol. 2, No. 251, Ed. 1 Friday, May 21, 1915, newspaper, May 21, 1915; (https://gateway.okhistory.org/ark:/67531/metadc112967/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .