Texas. Advisory Commission on State Emergency Communications. 9-1-1 Caller, Volume 3, Number 4, September/October 1991, periodical, September 1991; (https://texashistory.unt.edu/ark:/67531/metapth1203743/m1/2/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .

Previous page Next page