Columbia subject headings:
Art, Modern--20th century--History.
Literature, Modern--20th century--History and criticism.
Motion pictures--History.
Music--History and criticism.
Harvard subject headings:
Art, Modern--20th century--History
Literature, Modern--20th century--History and criticism
Motion pictures--History
Music--History and criticism
Princeton subject headings:
Art, Modern--20th century--History.
Literature--20th century--History and criticism.
Motion pictures--History.
Music--History and criticism.