Columbia subject headings:
Obelisks--Conservation and restoration--Italy--Naples.
Obelisks--Italy--Naples.
Harvard subject headings:
Decoration and ornament, Architectural--Italy--Naples--Conservation and restoration.
Obelisks--Italy--Naples--Conservation and restoration.
Obelisks--Italy--Naples.
Princeton subject headings:
Obelisks--Conservation and restoration--Italy--Naples.
Obelisks--Italy--Naples.