The Pharr Press (Pharr, Tex.), Vol. 52, No. 20, Ed. 1 Thursday, May 15, 1975, newspaper, May 15, 1975; (https://texashistory.unt.edu/ark:/67531/metapth848429/m1/1/: accessed June 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .