Columbia subject headings:
Architecture--Conservation and restoration.
Architecture--Italy--Rome.
Rome (Italy)--Antiquities.
Harvard subject headings:
Architecture, Medieval--Italy--Rome.
Architecture--Conservation and restoration
Architecture--Italy--Rome
Buildings--Remodeling for other use--Italy--Rome--History--To 1500.
Church architecture--Italy--Rome--History--To 1500.
City planning--Italy--Rome--History--To 1500.
Rome (Italy)--Antiquities.
Princeton subject headings:
Architecture, Medieval--Italy--Rome.
Buildings--Remodeling for other use--Italy--Rome--History--To 1500.
Catalogs.
Church architecture--Italy--Rome--History--To 1500.
City planning--Italy--Rome--History--To 1500.
Rome (Italy)--Antiquities--Catalogs.