Columbia subject headings:
Excavations (Archaeology)--Syria--Zenobia (Extinct city)
Fortification--Syria.
Zenobia (Extinct city)
Harvard subject headings:
Excavations (Archaeology)--Syria--Zenobia (Extinct city)
Fortification--Syria
Zenobia (Extinct city)
Princeton subject headings:
Excavations (Archaeology)--Syria--Zenobia (Extinct city).
Fortification--Syria.
Zenobia (Extinct city)