Public Utility Rulebook Updates: May 20, 2019, text, May 30, 2019; (https://texashistory.unt.edu/ark:/67531/metapth1364682/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Public Utility Rulebook Updates: May 20, 2019, text, May 30, 2019; (https://texashistory.unt.edu/ark:/67531/metapth1364682/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .