Columbia subject headings:
Gascony (France)--History.
Gascony (France)--Social conditions.
Harvard subject headings:
France--History--Medieval period, 987-1515.
Gascony (France)--History.
Gascony (France)--Social conditions.
Princeton subject headings:
France--History--Medieval period, 987-1515.
Gascony (France)--History.