Stephenville Daily Empire (Stephenville, Tex.), Vol. 17, No. 142, Ed. 1 Sunday, March 20, 1966, newspaper, March 20, 1966; (https://texashistory.unt.edu/ark:/67531/metapth1351263/m1/1/: accessed June 8, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .