Columbia subject headings:
Industries, Prehistoric--Turkey.
Industries--Turkey.
Iron age--Middle East.
Iron age--Turkey.
Iron founding--Turkey--History.
Metallurgy--History.
Middle East--Antiquities.
Turkey--Antiquities.
Harvard subject headings:
Industries, Primitive--Turkey.
Iron age--Caucasus, South.
Iron age--Turkey.
Iron founding--Turkey.
Princeton subject headings:
Industries, Primitive--Turkey.
Iron age--Caucasus, South.
Iron age--Turkey.
Iron founding--Turkey.