Columbia subject headings:
Harvard subject headings:
Architectural design--Congresses
Architecture, Modern--20th century--Congresses
Vacchini, Livio, 1933-2007--Congresses.
Princeton subject headings:
Architectural design--Congresses.
Architecture, Modern--20th century--Congresses.
Vacchini, Livio, 1933-2007--Congresses.