Breckenridge American (Breckenridge, Tex.), Vol. 38, No. 142, Ed. 1 Sunday, July 20, 1958, newspaper, July 20, 1958; (https://texashistory.unt.edu/ark:/67531/metapth135867/m1/1/: accessed October 17, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .