Columbia subject headings:
Harvard subject headings:
Busoni, Ferruccio, 1866-1924--Criticism and interpretation.
Eisler, Hanns, 1898-1962--Criticism and interpretation.
Germany--Civilization.
Mann, Thomas, 1875-1955--Political and social views.
Music and literature.
Music in literature.
Music--Philosophy and aesthetics
Pfitzner, Hans, 1869-1949--Criticism and interpretation.
Princeton subject headings:
Busoni, Ferruccio, 1866-1924.
Eisler, Hanns, 1898-1962.
Mann, Thomas, 1875-1955.
Music--Philosophy and aesthetics.
Pfitzner, Hans, 1869-1949.