Columbia subject headings:
Palazzo di Pio IV (Rome, Italy)
Pius IV, Pope, 1499-1565.
Harvard subject headings:
Architecture--Conservation and restoration
Historic buildings--Conservation and restoration
Palazzo Borromeo (Rome, Italy)
Palazzo di Pio IV (Rome, Italy)
Pius IV, Pope, 1499-1565.
Rome (Italy)--Buildings, structures, etc.
Princeton subject headings:
Architecture--Conservation and restoration.
Historic buildings--Conservation and restoration.
Pius IV, Pope, 1499-1565.
Rome (City)