Columbia subject headings:
Music--Germany--Bonn--History and criticism.
Verein Beethoven-Haus (Bonn, Germany)
Harvard subject headings:
Music--Germany--Bonn--History and criticism.
Verein Beethoven-Haus (Bonn, Germany)
Princeton subject headings:
Beethoven, Ludwig van, 1770-1827--Societies, etc.
Verein Beethoven-Haus (Bonn, Germany)