The Breckenridge Daily American (Breckenridge, Tex), Vol. 1, No. 288, Ed. 2, Wednesday, June 1, 1921, newspaper, June 1, 1921; (https://texashistory.unt.edu/ark:/67531/metapth122182/m1/1/: accessed June 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .