The HPC Yellow Jacket (Brownwood, Tex.), Vol. 60, No. 17, Ed. 1, Friday, February 2, 1973, newspaper, February 2, 1973; (https://texashistory.unt.edu/ark:/67531/metapth102789/m1/1/: accessed July 11, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .