Columbia subject headings:
Music theory--History--20th century.
Music theory.
Schoenberg, Arnold, 1874-1951.
Harvard subject headings:
Music theory--History--20th century.
Schoenberg, Arnold, 1874-1951--Criticism and interpretation.
Schoenberg, Arnold, 1874-1951--Written works.
Princeton subject headings:
Schoenberg, Arnold, 1874-1951--Contributions in music theory.
Schoenberg, Arnold, 1874-1951--Criticism and interpretation.