Columbia subject headings:
Harvard subject headings:
Amman (Jordan)--Antiquities.
Architecture--Jordan--Amman.
Architecture--Jordan--Gerasa (Extinct city)
Architecture--Jordan--Petra (Extinct city)
Gerasa (Extinct city)
Gerasa (Extinct city)--Buildings, structures, etc.
Jordan--Antiquities.
Petra (Extinct city)
Petra (Extinct city)--Buildings, structures, etc.
Princeton subject headings:
Amman (Jordan)--Antiquities.
Gerasa (Extinct city)
Jordan--Antiquities.
Petra (Extinct city)