The Graham Leader (Graham, Tex.), Vol. 90, No. 34, Ed. 1 Thursday, March 31, 1966, newspaper, March 31, 1966; (https://texashistory.unt.edu/ark:/67531/metapth1506084/m1/1/: accessed May 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .