The Elgin Chief. (Elgin, Okla. Terr.), Vol. 3, No. 4, Ed. 1 Friday, April 12, 1907, newspaper, April 12, 1907; (https://gateway.okhistory.org/ark:/67531/metadc2061375/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Gateway to Oklahoma History, gateway.okhistory.org; .