Columbia subject headings:
Harvard subject headings:
Hittites--Civilization--Exhibitions.
Middle East--History--To 622--Exhibitions.
Syria--Antiquities--Exhibitions.
Turkey--Antiquities--Exhibitions.
Princeton subject headings:
Hittites--Civilization--Exhibitions.
Middle East--History--To 622--Exhibitions.
Syria--Antiquities--Exhibitions.
Turkey--Antiquities--Exhibitions.