The Deaf Oklahoman. (Sulphur, Okla.), Vol. 6, No. 14, Ed. 1 Saturday, May 15, 1915, newspaper, May 15, 1915; (https://gateway.okhistory.org/ark:/67531/metadc2045511/m1/1/: accessed May 6, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .