Columbia subject headings:
American fiction--Film adaptations.
Film adaptations--Stories, plots, etc.
West (U.S.)--In literature.
Western films--History and criticism.
Harvard subject headings:
American fiction--Film and video adaptations.
Film adaptations--History and criticism
Film adaptations--Stories, plots, etc.
West (U.S.)--In literature.
West (U.S.)--In motion pictures.
Western films--History and criticism
Western stories--Film adaptations.
Princeton subject headings:
American fiction--Film and video adaptations.
Film adaptations--Stories, plots, etc.
West (U.S.)--In literature.
Western films--History and criticism.