Lancaster, Barbara. The Erath Observer (Stephenville, Tex.), Vol. 1, No. 26, Ed. 1 Thursday, May 1, 1975, newspaper, May 1, 1975; (https://texashistory.unt.edu/ark:/67531/metapth1528072/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .