Columbia subject headings:
Harvard subject headings:
England--Civilization--1066-1485
France--History, Military.
France--Politics and government--1328-1589.
France--Politics and government--987-1328.
Great Britain--History, Military--1066-1485.
Great Britain--Politics and government--1154-1399.
Law, Medieval--History.
Military history, Medieval.
Princeton subject headings:
England--Civilization--1066-1485.
France--History, Military.
France--Politics and government--1328-1589.
France--Politics and government--987-1328.
Great Britain--History, Military--1066-1485.
Great Britain--Politics and government--1154-1399.
Law, Medieval--History.
Military history, Medieval.