Columbia subject headings:
Excavations (Archaeology)--Great Britain.
Iron age--Great Britain.
Iron--Metallography.
Ironwork--Great Britain--History.
Tools--Great Britain--History.
Weapons--Great Britain--History.
Harvard subject headings:
Armor.
Iron alloys--Metallography.
Ironwork--Great Britain--History.
Metallography.
Tools
Tools--History
Weapons--History
Weapons.
Princeton subject headings:
Iron alloys--Metallography.
Tools--History.
Weapons--History.