The Mineola Monitor (Mineola, Tex.), Vol. [92], No. [9], Ed. 1 Wednesday, May 1, 1968, newspaper, May 1, 1968; (https://texashistory.unt.edu/ark:/67531/metapth1493248/m1/12/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .