The Alpine Avalanche (Alpine, Tex.), Vol. 39, No. 20, Ed. 1 Friday, May 10, 1929, newspaper, May 10, 1929; (https://texashistory.unt.edu/ark:/67531/metapth1651747/m1/3/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .