The Rule Review (Rule, Tex.), Vol. 61, No. 17, Ed. 1 Thursday, September 21, 1967, newspaper, September 21, 1967; (https://texashistory.unt.edu/ark:/67531/metapth982377/m1/2/: accessed April 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .