The Naples Monitor (Naples, Tex.), Vol. 82, No. 31, Ed. 1 Thursday, February 29, 1968, newspaper, February 29, 1968; (https://texashistory.unt.edu/ark:/67531/metapth336192/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .