Columbia subject headings:
Education, Medieval--Great Britain.
Great Britain--History--Lancaster and York, 1399-1485.
Great Britain--Politics and government--1399-1485.
Great Britain--Social life and customs--1066-1485.
Harvard subject headings:
Education, Medieval--Great Britain.
Great Britain--History--Lancaster and York, 1399-1485
Great Britain--Politics and government--1399-1485.
Great Britain--Social life and customs--1066-1485.
Princeton subject headings:
Education, Medieval--Great Britain.
Great Britain--History--Lancaster and York, 1399-1485.
Great Britain--Politics and government--1399-1485.
Great Britain--Social life and customs--1066-1485.