Columbia subject headings:
Berg, Alban, 1885-1935--Correspondence.
Berg, Alban, 1885-1935--Friends and associates.
Composers--Austria--Biography.
Schoenberg, Arnold, 1874-1951--Correspondence.
Schoenberg, Arnold, 1874-1951--Friends and associates.
Harvard subject headings:
Berg, Alban, 1885-1935--Criticism and interpretation.
Schoenberg, Arnold, 1874-1951--Criticism and interpretation.
Princeton subject headings:
Berg, Alban, 1885-1935--Criticism and interpretation.
Schoenberg, Arnold, 1874-1951--Criticism and interpretation.