The Hereford Brand, Vol. 21, No. 12, Ed. 1 Thursday, April 14, 1921, newspaper, April 14, 1921; (https://texashistory.unt.edu/ark:/67531/metapth254091/m1/1/: accessed April 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .