The Erath Observer (Stephenville, Tex.), Vol. 1, No. 23, Ed. 1 Thursday, April 10, 1975, newspaper, April 10, 1975; (https://texashistory.unt.edu/ark:/67531/metapth1528069/m1/10/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .