The Allen American (Allen, Tex.), Vol. 7, No. 48, Ed. 1 Tuesday, April 26, 1977, newspaper, April 26, 1977; (https://texashistory.unt.edu/ark:/67531/metapth1416225/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .