The Ballinger Ledger (Ballinger, Tex.), Vol. 56, No. 33, Ed. 1 Thursday, April 22, 1937, newspaper, April 22, 1937; (https://texashistory.unt.edu/ark:/67531/metapth1160669/m1/1/: accessed June 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .