Dallas (Tex.). Police Department. [Report to W. P. Gannaway by R. W. Westphal, February 26, 1964], report, February 26, 1964; (https://texashistory.unt.edu/ark:/67531/metapth339533/m1/1/: accessed April 19, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .