Columbia subject headings:
Architecture--Italy--Filadelfia--History.
Buildings--Earthquake effects.
City planning--Italy--Filadelfia--History.
City planning--Italy--History.
Earthquakes--Italy--Filadelfia.
Harvard subject headings:
Architecture--Italy--Filadelfia.
Buildings--Italy--Filadelfia.
City planning--Italy--Filadelfia--History--18th century.
Filadelfia (Italy)--Buildings, structures, etc.
Filadelfia (Italy)--History.
Princeton subject headings: