The Humble Echo (Humble, Tex.), Vol. 27, No. 51, Ed. 1 Thursday, December 22, 1966, newspaper, December 22, 1966; (https://texashistory.unt.edu/ark:/67531/metapth1037584/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .