Columbia subject headings:
Art and music--History--19th century.
Music and literature--History--19th century.
Music--19th century--Philosophy and aesthetics.
Music--Semiotics.
Symbolism in music.
Harvard subject headings:
Art and music--History--19th century.
Music and literature--History--19th century.
Music--19th century--Philosophy and aesthetics
Music--Semiotics
Symbolism in music.
Princeton subject headings:
Art and music--History--19th century.
Music and literature--History--19th century.
Music--19th century--Philosophy and aesthetics.
Music--Semiotics.
Symbolism in music.