The Shamrock Texan (Shamrock, Tex.), Vol. 62, No. 7, Ed. 1 Thursday, May 20, 1965, newspaper, May 20, 1965; (https://texashistory.unt.edu/ark:/67531/metapth529546/m1/8/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .