Columbia subject headings:
Architecture, Roman--Italy--Rome.
High-rise apartment buildings--Italy--Rome.
Rome--Antiquities.
Tall buildings--Italy--Rome.
Harvard subject headings:
Apartment houses--Italy--Rome.
Architecture--Italy--Rome
Rome (Italy)--Buildings, structures, etc.
Tall buildings--Italy--Rome.
Princeton subject headings:
Architecture, Roman--Italy--Rome.
High-rise apartment buildings--Italy--Rome.
Rome--Antiquities.
Tall buildings--Italy--Rome.