Columbia subject headings:
City planning--Syria--Tadmur.
Tadmur (Syria)--Antiquities.
Tadmur (Syria)--Buildings, structures, etc.
Tadmur (Syria)--Civilization.
Tadmur (Syria)--History.
Harvard subject headings:
City planning--Syria--Tadmur.
Tadmur (Syria)--History.
Princeton subject headings:
Excavations (Archaeology)--Syria--Tadmur.
Tadmur (Syria)--Antiquities.