Columbia subject headings:
Turkey--History--Congresses.
Turkic peoples--History--Congresses.
Turks--History--Congresses.
Harvard subject headings:
Asia, Central--History--Congresses.
Caucasus--History--Congresses.
Excavations (Archaeology)--Turkey--Congresses.
Turkey--Antiquities--Congresses.
Turkey--History--Congresses
Turkic peoples--History--Congresses.
Turks--History--Congresses.
Princeton subject headings:
Turkey--History--Congresses.
Turkic peoples--History--Congresses.
Turks--History--Congresses.