Columbia subject headings:
Architecture--Syria--Tadmur.
Relief (Sculpture)--Syria--Tadmur.
Sepulchral monuments--Syria--Tadmur.
Tadmur (Syria)--Antiquities.
Tadmur (Syria)--History.
Harvard subject headings:
Architecture--Syria--Tadmur.
Excavations (Archaeology)--Syria--Tadmur.
Relief (Sculpture)--Syria--Tadmur.
Sepulchral monuments--Syria--Tadmur--History.
Sepulchral monuments--Syria--Tadmur.
Tadmur (Syria)--Antiquities.
Tadmur (Syria)--Buildings, structures, etc.
Tadmur (Syria)--History.
Tombs--Syria--Tadmur--History.
Princeton subject headings:
Architecture--Syria--Tadmur.
Relief (Sculpture)--Syria--Tadmur.
Sepulchral monuments--Syria--Tadmur.
Tadmur (Syria)--Antiquities.
Tadmur (Syria)--History.