Columbia subject headings:
Arid regions--Syria--Congresses.
Excavations (Archaeology)--Syria--Congresses.
Human settlements--Syria--History--To 1500--Congresses.
Pastoral systems--Syria--History--To 1500--Congresses.
Steppe archaeology--Syria--Congresses.
Syria--Antiquities--Congresses.
Harvard subject headings:
Antiquities, Prehistoric--Syria--Congresses.
Land settlement--Syria--History--Congresses.
Landscape archaeology--Syria--Congresses.
Steppes--Syria--Congresses.
Syria--Antiquities--Congresses.
Princeton subject headings:
Arid regions--Syria--Congresses.
Excavations (Archaeology)--Syria--Congresses.
Human settlements--Syria--History--To 1500--Congresses.
Pastoral systems--Syria--History--To 1500--Congresses.
Steppe archaeology--Syria--Congresses.
Syria--Antiquities--Congresses.