[Report from P. L. Bentley to Chief J. E. Curry, December 16, 1963], report, December 16, 1963; (https://texashistory.unt.edu/ark:/67531/metapth337242/m1/2/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .