Columbia subject headings:
France--Court and courtiers--History--19th century--Congresses.
Harvard subject headings:
France--Court and courtiers--History--19th century--Congresses.
Princeton subject headings:
France--Court and courtiers--History--19th century--Congresses.
France--History--Consulate and First Empire, 1799-1815--Congresses.
France--History--Second Empire, 1852-1870--Congresses.