The Carbon News (Carbon, Tex.), Vol. 8, No. 37, Ed. 1 Thursday, May 20, 1909, newspaper, May 20, 1909; (https://texashistory.unt.edu/ark:/67531/metapth521532/m1/2/: accessed July 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .