The Shamrock Texan (Shamrock, Tex.), Vol. 35, No. 1, Ed. 1 Tuesday, May 10, 1938, newspaper, May 10, 1938; (https://texashistory.unt.edu/ark:/67531/metapth525807/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .