The Alpine Avalanche (Alpine, Tex.), Vol. 31, No. 21, Ed. 1 Thursday, May 26, 1921, newspaper, May 26, 1921; (https://texashistory.unt.edu/ark:/67531/metapth1708527/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .