The Boerne Star (Boerne, Tex.), Vol. 69, No. 15, Ed. 1 Thursday, March 22, 1973, newspaper, March 22, 1973; (https://texashistory.unt.edu/ark:/67531/metapth1527960/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .