Columbia subject headings:
Excavations (Archaeology)--Syria--Ziyadeh, Tell.
Khabur River Watershed (Turkey and Syria)--Antiquities.
Syria--Antiquities.
Harvard subject headings:
Excavations (Archaeology)--Syria--Ziyadeh, Tell.
Khabur River Watershed (Turkey and Syria)--Antiquities.
Syria--Antiquities.
Princeton subject headings:
Excavations (Archaeology)--Khabur River Watershed (Turkey and Syria).
Khabur River Watershed (Turkey and Syria)--Antiquities.
Ubaid culture--Syria.