The Hereford Brand, Vol. 18, No. 20, Ed. 1 Thursday, June 13, 1918, newspaper, June 13, 1918; (https://texashistory.unt.edu/ark:/67531/metapth253955/m1/1/: accessed May 2, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .