Sawyer, J. H. [Report from J. H. Sawyer to Chief J. E. Curry, December 4, 1963], report, December 4, 1963; (https://texashistory.unt.edu/ark:/67531/metapth339716/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .