Columbia subject headings:
Palaces--Italy--Rome.
Palazzo della Cancelleria (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.
Harvard subject headings:
Palaces--Italy--Rome
Palazzo della Cancelleria (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.
Princeton subject headings:
Palaces--Italy--Rome.
Palazzo della Cancelleria (Rome, Italy)