Columbia subject headings:
England--Economic conditions--1066-1485--Congresses.
Great Britain--History--Lancaster and York, 1399-1485--Congresses.
Professions--Great Britain--History--15th century--Congresses.
Harvard subject headings:
Great Britain--Civilization--1066-1485.
Great Britain--Economic conditions--Medieval period, 1066-1485.
Great Britain--Social life and customs--1066-1485.
Princeton subject headings:
England--Economic conditions--1066-1485--Congresses.
Great Britain--History--Lancaster and York, 1399-1485--Congresses.
Professions--Great Britain--History--15th century--Congresses.