The Shamrock Texan (Shamrock, Tex.), Vol. 53, No. 35, Ed. 1 Thursday, December 20, 1956, newspaper, December 20, 1956; (https://texashistory.unt.edu/ark:/67531/metapth529734/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .