Columbia subject headings:
France--History--Medieval period, 987-1515.
Great Britain--History, Military--1066-1485.
Great Britain--History--Medieval period, 1066-1485.
Prestwich, J. O.
Harvard subject headings:
France--History--Medieval period, 987-1515.
Great Britain--History, Military--1066-1485.
Great Britain--History--Medieval period, 1066-1485.
Prestwich, J. O.
Princeton subject headings:
France--History--Medieval period, 987-1515.
Great Britain--History, Military--1066-1485.
Great Britain--History--Medieval period, 1066-1485.
Prestwich, J. O.