Columbia subject headings:
Architecture, Modern--20th century--Designs and plans--Exhibitions.
Architecture, Modern--20th century--Exhibitions.
Architecture, Modern--21st century--Designs and plans--Exhibitions.
Architecture, Modern--21st century--Exhibitions.
Botta, Mario, 1943---Exhibitions.
Harvard subject headings:
Architects--Switzerland.
Architectural practice, International--Europe.
Architecture, Modern--21st century
Botta, Mario, 1943---Exhibitions.
Princeton subject headings: