Columbia subject headings:
Civilization, Medieval.
Scotland--Antiquities.
Scotland--Civilization--Scandinavian influences.
Scotland--History--To 1603.
Vikings--Scotland--History.
Harvard subject headings:
Scotland--Antiquities.
Scotland--Civilization--Scandinavian influences.
Scotland--History--To 1603.
Vikings--Scotland--History.
Princeton subject headings:
Scotland--Antiquities.
Vikings--Scotland.