Columbia subject headings:
Harvard subject headings:
Music--19th century--History and criticism
Princeton subject headings:
Berlioz, Hector, 1803-1869.
Brahms, Johannes, 1833-1897.
Chopin, Frédéric, 1810-1849.
Dvořák, Antonín, 1841-1904.
Music--Philosophy and aesthetics.
Musical form.
Schumann, Robert, 1810-1856.
Wagner, Richard, 1813-1883.