Columbia subject headings:
Coucy family.
Coucy-le-Château-Auffrique (France)--History.
Feudalism--France--Coucy-le-Château-Auffrique--History.
France--History--Medieval period, 987-1515.
Nobility--France--Coucy-le-Château-Auffrique--Biography.
Harvard subject headings:
Coucy family
France--History--Medieval period, 987-1515.
Princeton subject headings:
Coucy family.
Coucy-le-Château-Auffrique (France)--History.
Feudalism--France--Coucy-le-Château-Auffrique--History.
France--History--Medieval period, 987-1515.
Nobility--France--Coucy-le-Château-Auffrique--Biography.