Columbia subject headings:
Beethoven, Ludwig van, 1770-1827--Congresses.
Music--Germany--History--Congresses.
Harvard subject headings:
Beethoven, Ludwig van, 1770-1827--Congresses.
Beethoven, Ludwig van, 1770-1827--Contemporaries--Congresses.
Music--Germany--18th century--History and criticism--Congresses.
Music--Germany--19th century--History and criticism--Congresses.
Musicians--Germany--Biography--Congresses.
Princeton subject headings:
Beethoven, Ludwig van, 1770-1827--Congresses.
Beethoven, Ludwig van, 1770-1827--Contemporaries--Congresses.
Music--Germany--18th century--History and criticism--Congresses.
Music--Germany--19th century--History and criticism--Congresses.
Musicians--Germany--Biography--Congresses.