Christian Chronicle (Austin, Tex.), Vol. 25, No. 32, Ed. 1 Friday, May 17, 1968, newspaper, May 17, 1968; (https://texashistory.unt.edu/ark:/67531/metapth1320766/m1/5/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .