Columbia subject headings:
Harvard subject headings:
Beethoven, Ludwig van, 1770-1827
Beethoven, Ludwig van, 1770-1827--Appreciation.
Princeton subject headings:
Beethoven, Ludwig van, 1770-1827--Criticism and interpretation.
Berliner allgemeine musikalische Zeitung.
Journalism--Germany--Berlin--History.
Marx, Adolf Bernhard, 1795-1866--Criticism and interpretation.
Music--Philosophy and aesthetics.