[School Demonstration], photograph, July 15, 1961; (https://texashistory.unt.edu/ark:/67531/metapth531257/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[School Demonstration], photograph, July 15, 1961; (https://texashistory.unt.edu/ark:/67531/metapth531257/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .