Columbia subject headings:
Heroes in literature.
Heroes in motion pictures.
Heroes--United States.
Popular culture--United States--History--20th century.
Harvard subject headings:
Culture in motion pictures.
Heroes in literature
Heroes in motion pictures.
Heroes--United States
Popular culture--United States--History--20th century
Princeton subject headings:
Heroes in literature.
Heroes in motion pictures.
Heroes--United States.
Popular culture--United States--History--20th century.