The Hereford Brand, Vol. 11, No. 11, Ed. 1 Friday, April 21, 1911, newspaper, April 21, 1911; (https://texashistory.unt.edu/ark:/67531/metapth253602/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .