Christian Chronicle (Austin, Tex.), Vol. 25, No. 23, Ed. 1 Friday, March 15, 1968, newspaper, March 15, 1968; (https://texashistory.unt.edu/ark:/67531/metapth1320757/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .