Columbia subject headings:
Civilization, Medieval--Congresses.
Europe--Court and courtiers--History--Congresses.
Favorites, Royal--Europe--History--Congresses.
Harvard subject headings:
Civilization, Medieval--Congresses
Courts and courtiers--Europe--History--Congresses.
Courts and courtiers--History--Congresses.
Favorites, Royal--Europe--History--Congresses.
Princeton subject headings:
Civilization, Medieval--Congresses.
Europe--Court and courtiers--History--Congresses.
Favorites, Royal--Europe--History--Congresses.