Breckenridge American (Breckenridge, Tex.), Vol. 37, No. 139, Ed. 1 Sunday, July 14, 1957, newspaper, July 14, 1957; (https://texashistory.unt.edu/ark:/67531/metapth135607/m1/1/: accessed November 14, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .