The H-SU Brand (Abilene, Tex.), Vol. 23, No. 27, Ed. 1, Saturday, April 22, 1939, newspaper, April 22, 1939; (https://texashistory.unt.edu/ark:/67531/metapth96799/m1/1/: accessed April 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .