Columbia subject headings:
Europe--Kings and rulers--14th century--Congresses.
Europe--Kings and rulers--15th century--Congresses.
Europe--Kings and rulers--Family relationships--Congresses.
Families--Europe--History--14th century--Congresses.
Families--Europe--History--15th century--Congresses.
Royal houses--Europe--History--14th century--Congresses.
Royal houses--Europe--History--15th century--Congresses.
Harvard subject headings:
Royal houses--Europe--History--15th century--Congresses.
Royal houses--Europe--History--To 1500--Congresses.
Royal houses--France--History--15th century--Congresses.
Royal houses--France--History--To 1500--Congresses.
Princeton subject headings:
Royal houses--Europe--History--15th century--Congresses.
Royal houses--Europe--History--To 1500--Congresses.
Royal houses--France--History--15th century--Congresses.
Royal houses--France--History--To 1500--Congresses.