["California Zephyr" leaving Chicago], photograph, October 1963; (https://texashistory.unt.edu/ark:/67531/metapth28736/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
["California Zephyr" leaving Chicago], photograph, October 1963; (https://texashistory.unt.edu/ark:/67531/metapth28736/m1/1/: accessed April 24, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .