The Alvin Sun (Alvin, Tex.), Vol. [78], No. 7, Ed. 1 Thursday, September 21, 1967, newspaper, September 21, 1967; (https://texashistory.unt.edu/ark:/67531/metapth1243170/m1/2/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .