Věstník (West, Tex.), Vol. 61, No. 3, Ed. 1 Wednesday, January 17, 1973, newspaper, January 17, 1973; (https://texashistory.unt.edu/ark:/67531/metapth626631/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .