Campbell, Robert C. The Breckenridge American (Breckenridge, Tex), Vol. 11, No. 274, Ed. 1, Sunday, October 18, 1931, newspaper, October 18, 1931; (https://texashistory.unt.edu/ark:/67531/metapth123579/m1/1/: accessed October 19, 2018), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .