Columbia subject headings:
Music--20th century--History and criticism.
Schoenberg, Arnold, 1874-1951.
Stravinsky, Igor, 1882-1971.
Harvard subject headings:
Music--20th century--History and criticism
Schoenberg, Arnold, 1874-1951
Stravinsky, Igor, 1882-1971
Princeton subject headings:
Music--20th century--History and criticism.
Schoenberg, Arnold, 1874-1951.
Stravinsky, Igor, 1882-1971.