Columbia subject headings:
Art nouveau (Architecture)--Italy--Rome.
Art, Italian--20th century.
Palazzo del Tritone (Rome, Italy)
Rome (Italy)--Buildings, structures, etc.
Sorgente Group--Buildings.
Harvard subject headings:
Art nouveau
Art nouveau (Architecture)--Italy--Rome.
Art nouveau--Italy.
Decorative arts--Europe--History--20th century.
Palazzo del Tritone (Rome, Italy)--History.
Rome (Italy)--Buildings, structures, etc.
Sorgente Group SpA--Buildings.
Princeton subject headings: