Breckenridge American (Breckenridge, Tex.), Vol. 20, No. 129, Ed. 1, Sunday, December 31, 1939, newspaper, December 31, 1939; (https://texashistory.unt.edu/ark:/67531/metapth73779/m1/1/: accessed May 1, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .