Columbia subject headings:
Harvard subject headings:
Europe--Court and courtiers.
Europe--History--392-814.
Europe--Kings and rulers--Paramours.
Europe--Social life and customs.
Middle Ages.
Princesses--Europe--History.
Princesses--Social conditions.
Queens--Europe--History.
Queens--Social conditions.
Women--History--Middle Ages, 500-1500.
Princeton subject headings:
Europe--History--392-814.
Middle Ages.
Princesses--Social conditions.
Queens--Social conditions.