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