Columbia subject headings:
Celts--Great Britain.
Civilization, Celtic.
Great Britain--Civilization.
Ireland--Civilization.
National characteristics, British--History.
National characteristics, Irish--History.
National characteristics, Scottish--History.
National characteristics, Welsh--History.
Harvard subject headings:
Celts--Great Britain.
Civilization, Celtic.
Great Britain--Civilization.
Ireland--Civilization.
National characteristics, British--History.
National characteristics, Irish--History.
National characteristics, Scottish--History.
National characteristics, Welsh--History.
Princeton subject headings:
Civilization, Celtic--History.
Great Britain--Civilization.
Ireland--Civilization.
National characteristics, British--History.
National characteristics, Irish--History.