[News Script: Switch Engine], script, January 20, 1956; (https://texashistory.unt.edu/ark:/67531/metadc497943/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
[News Script: Switch Engine], script, January 20, 1956; (https://texashistory.unt.edu/ark:/67531/metadc497943/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .