Columbia subject headings:
Harvard subject headings:
Charities--Great Britain--History--Congresses.
Great Britain--History--Henry IV, 1399-1413--Congresses.
Great Britain--Politics and government--1399-1485--Congresses.
Great Britain--Social life and customs--1066-1485--Congresses.
Margaret, of Anjou, Queen, consort of Henry VI, King of England, 1430-1482--Congresses.
Princeton subject headings:
Great Britain--Church history--1066-1485--Congresses.
Great Britain--History--Lancaster and York, 1399-1485--Congresses.
Great Britain--Politics and government--1399-1485--Congresses.
Great Britain--Social life and customs--1066-1485--Congresses.