Stamps Quartet News (Dallas, Tex.), Vol. 14, No. 11, Ed. 1 Wednesday, July 1, 1959, periodical, July 1, 1959; (https://texashistory.unt.edu/ark:/67531/metapth785622/m1/1/: accessed May 21, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .