Dallas (Tex.). Police Department. [Prison Medical Record for Jack Ruby, November 24, 1963 #1], text, November 24, 1963; (https://texashistory.unt.edu/ark:/67531/metapth337454/m1/1/: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .