The Hondo Anvil Herald (Hondo, Tex.), Vol. 84, No. 15, Ed. 1 Thursday, April 15, 1971, newspaper, April 15, 1971; (https://texashistory.unt.edu/ark:/67531/metapth819080/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .