Excerpt: "I'm crazy about trains! says Doc Holliday (Jason Robards) to his friend Wyatt Earp (James Garner) in Hour of the Gun (Sturges Ch. 6), explaining why he's waiting on the Contention train. Of course he's really there to help Earp get his revenge on Ike Clanton (Robert Ryan) - but then we never quite know with Doc Holliday.
Hall, Kenneth Estes. 2014. From the Iron Horse to Hell on Wheels: The Transcontinental Railroad in the Western. Studies in the Western. Vol.22 11-22. http://www.westernforschungszentrum.de/