Columbia subject headings:
Celts--Scotland--History--To 1500.
Civilization, Celtic.
Scotland--Antiquities, Celtic.
Scotland--History--To 1603.
Harvard subject headings:
Alba (Kingdom)
Celts--Scotland--History--To 1500.
Civilization, Celtic.
Scotland--History--1057-1603.
Princeton subject headings:
Celts--Scotland--History--To 1500.
Civilization, Celtic.
Scotland--Antiquities, Celtic.
Scotland--History--To 1603.