The Shamrock Texan (Shamrock, Tex.), Vol. 60, No. 36, Ed. 1 Thursday, December 12, 1963, newspaper, December 12, 1963; (https://texashistory.unt.edu/ark:/67531/metapth529654/m1/1/: accessed June 30, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .