Columbia subject headings:
Excavations (Archaeology)--Jordan--Petra (Extinct city)--Exhibitions.
Petra (Extinct city)--Antiquities--Exhibitions.
Harvard subject headings:
Excavations (Archaeology)--Jordan--Petra (Extinct city)--Exhibitions.
Petra (Extinct city)--Antiquities--Exhibitions.
Princeton subject headings:
Excavations (Archaeology)--Jordan--Petra (Extinct city)--Exhibitions.
Petra (Extinct city)--Antiquities--Exhibitions.