Columbia subject headings:
Architecture, Domestic--Italy--Rome--Designs and plans.
Museo nazionale di Castel Sant'Angelo.
Rome (Italy)--Buildings, structures, etc.
Harvard subject headings:
Castles--Italy--Rome--Conservation and restoration--Exhibitions.
Museo nazionale di Castel Sant'Angelo--Exhibitions.
Paul III, Pope, 1468-1549--Homes and haunts--Italy--Rome--Exhibitions.
Rome (Italy)--Buildings, structures, etc.--Exhibitions.
Princeton subject headings:
Architecture, Domestic--Italy--Rome--Designs and plans.
Museo nazionale di Castel Sant'Angelo.
Rome (Italy)--Buildings, structures, etc.