The Alvin Sun (Alvin, Tex.), Vol. 79, No. 52, Ed. 1 Monday, June 15, 1970, newspaper, June 15, 1970; (https://texashistory.unt.edu/ark:/67531/metapth1215259/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .