The Shamrock Texan (Shamrock, Tex.), Vol. 13, No. 31, Ed. 1 Friday, May 7, 1937, newspaper, May 7, 1937; (https://texashistory.unt.edu/ark:/67531/metapth525684/m1/1/: accessed April 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .