Breckenridge American (Breckenridge, Tex.), Vol. 37, No. 14, Ed. 1 Sunday, January 20, 1957, newspaper, January 20, 1957; (https://texashistory.unt.edu/ark:/67531/metapth135483/m1/1/: accessed April 23, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .