Denton Record-Chronicle (Denton, Tex.), Vol. 61, No. 142, Ed. 1 Monday, January 20, 1964, newspaper, January 20, 1964; (https://texashistory.unt.edu/ark:/67531/metapth1594427/m1/1/: accessed June 5, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .