The Naples Monitor (Naples, Tex.), Vol. 74, No. 39, Ed. 1 Thursday, April 21, 1960, newspaper, April 21, 1960; (https://texashistory.unt.edu/ark:/67531/metapth388959/m1/1/: accessed July 19, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .