The Shamrock Texan (Shamrock, Tex.), Vol. 33, No. 247, Ed. 1 Thursday, March 18, 1937, newspaper, March 18, 1937; (https://texashistory.unt.edu/ark:/67531/metapth526130/m1/1/: accessed June 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .