Columbia subject headings:
Harvard subject headings:
Germany--Relations--Poland--Congresses.
Poland--History--Revolution, 1830-1832--Foreign public opinion, German--Congresses.
Poland--History--Revolution, 1830-1832--Influence--Congresses.
Poland--Relations--Germany--Congresses
Public opinion--Germany--History--19th century--Congresses.
Princeton subject headings:
Germany--Relations--Poland--Congresses.
Poland--History--Revolution, 1830-1832--Foreign public opinion, German--Congresses.
Poland--History--Revolution, 1830-1832--Influence--Congresses.
Poland--Relations--Germany--Congresses.
Public opinion--Germany--History--19th century--Congresses.