Columbia subject headings:
5 + 1 associati.
Architecture--Italy--History--21st century.
Harvard subject headings:
5 + 1 associati (firm)
Architectural firms--Italy.
Architecture--Italy--21st century.
Femia, Alfonso.
Peluffo, Gianluca.
Princeton subject headings:
5 + 1 associati--Catalogs.
Architecture--Italy--History--21st century--Catalogs.
Catalogs.