Columbia subject headings:
Celts.
Northmen--Scotland.
Scottish Gaelic language--Etymology.
Harvard subject headings:
Celts.
Civilization, Celtic
Great Britain--Civilization--Scandinavian influences.
Northmen--Scotland.
Scandinavian languages--Influence on Gaelic.
Scotland--Civilization--Scandinavian influences.
Scottish Gaelic language--Etymology.
Princeton subject headings:
Celts.
Northmen in Scotland.
Scottish Gaelic language--Etymology.