Columbia subject headings:
Harvard subject headings:
Great Britain--Civilization--Roman influences.
Great Britain--History--Anglo Saxon period, 449-1066.
Great Britain--Relations--Rome.
Rome--Relations--Great Britain.
Princeton subject headings:
Civilization, Anglo-Saxon--Roman influences.
Great Britain--Church history--449-1066.
Ireland--Church history--600-1500.
Ireland--Civilization--Roman influences.