Columbia subject headings:
Harvard subject headings:
Civilization, Modern--20th century
Literature--History and criticism
Twentieth century
War and literature.
War films--History.
War in literature.
War in mass media.
Princeton subject headings:
Civilization, Modern--20th century.
Literature--History and criticism.
Twentieth century.
War and literature.
War films--History.
War in literature.
War in mass media.