The Naples Monitor (Naples, Tex.), Vol. 83, No. 20, Ed. 1 Thursday, December 12, 1968, newspaper, December 12, 1968; (https://texashistory.unt.edu/ark:/67531/metapth329582/m1/1/: accessed May 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .