Dallas (Tex.). Police Department. [Report to W. P. Gannaway by R. W. Westphal, January 27, 1964 #2], report, January 27, 1963; (https://texashistory.unt.edu/ark:/67531/metapth339042/m1/1/: accessed April 25, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .