Tri-County Sun Progress (Pearland, Tex.), Vol. 4, No. 25, Ed. 1 Thursday, December 28, 1967, newspaper, December 28, 1967; (https://texashistory.unt.edu/ark:/67531/metapth1243094/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .