Columbia subject headings:
Asia, Central--Civilization--Congresses.
Bronze age--Asia, Central--Congresses.
Iron age--Asia, Central--Congresses.
Harvard subject headings:
Asia, Central--Antiquities--Congresses.
Asia, Central--Civilization--Congresses.
Bronze age--Asia, Central--Congresses.
Excavations (Archaeology)--Asia, Central--Congresses.
Iron age--Asia, Central--Congresses.
Princeton subject headings:
Asia, Central--Civilization--Congresses.
Bronze age--Asia, Central--Congresses.
Iron age--Asia, Central--Congresses.