The New Ulm Enterprise (New Ulm, Tex.), Vol. 53, No. 24, Ed. 1 Thursday, April 2, 1964, newspaper, April 2, 1964; (https://texashistory.unt.edu/ark:/67531/metapth1228600/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .