The Boerne Star (Boerne, Tex.), Vol. 72, No. 14, Ed. 1 Thursday, April 1, 1976, newspaper, April 1, 1976; (https://texashistory.unt.edu/ark:/67531/metapth1537505/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .