The Shamrock Texan (Shamrock, Tex.), Vol. 35, No. 37, Ed. 1 Tuesday, June 21, 1938, newspaper, June 21, 1938; (https://texashistory.unt.edu/ark:/67531/metapth525628/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .