Columbia subject headings:
Harvard subject headings:
Bronze age--Caucasus--Congresses.
Bronze age--Turkey--Congresses.
Caucasus--Antiquities--Congresses.
Excavations (Archaeology)--Caucasus--Congresses.
Excavations (Archaeology)--Turkey--Congresses.
Turkey--Antiquities--Congresses.
Princeton subject headings:
Armenia--Antiquities.
Azerbaijan--Antiquities.
Caucasus--Antiquities.
Georgia--Antiquities.
Middle East--Antiquities.
Russia--Antiquities.
Turkey--Antiquities.