Cooper Review (Cooper, Tex.), Vol. 94, No. 1, Ed. 1 Thursday, January 4, 1973, newspaper, January 4, 1973; (https://texashistory.unt.edu/ark:/67531/metapth1541384/m1/1/: accessed June 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .