Columbia subject headings:
Beethoven, Ludwig van, 1770-1827--Exhibitions.
Music--Exhibitions.
Harvard subject headings:
Beethoven, Ludwig van, 1770-1827--Exhibitions.
Beethoven, Ludwig van, 1770-1827--Portraits.
Music--Exhibitions
Princeton subject headings:
Beethoven, Ludwig van, 1770-1827--Exhibitions.
Music--Exhibitions.