Columbia subject headings:
Biedermeier--Congresses.
Music--Europe, Northern--19th century--History and criticism--Congresses.
Music--Europe, Northern--Societies, etc.--19th century--History and criticism--Congresses.
Harvard subject headings:
Biedermeier--Congresses.
Music--Europe, Northern--19th century--History and criticism--Congresses.
Music--Europe, Northern--Societies, etc.--19th century--History and criticism--Congresses.
Princeton subject headings:
Music--Europe--19th century--History and criticism--Congresses.
Music--Europe--Societies, etc.--History--19th century--Congresses.
Performance practice (Music)--Europe--History--19th century--Congresses.