Columbia subject headings:
Harvard subject headings:
Europe--History--1789-1900--Congresses.
France--History--1789-1900--Congresses.
France--History--18th century--Congresses.
Princeton subject headings:
Europe--History--1789-1900--Congresses.
Europe--History--18th century--Congresses.
France--History--1789-1900--Congresses.