Columbia subject headings:
Harvard subject headings:
Great Britain--History--Henry VII, 1485-1509
Great Britain--History--Lancaster and York, 1399-1485
Great Britain--Social conditions--1066-1485.
Great Britain--Social conditions--History--To 1500.
Plague--Europe--History.
Plague--Great Britain--History.
Princeton subject headings:
Great Britain--History--Henry VII, 1485-1509.
Great Britain--History--Lancaster and York, 1399-1485.
Great Britain--Social conditions--1066-1485.