Columbia subject headings:
Architects--Switzerland.
Architecture--Switzerland--History--20th century.
Botta, Mario, 1943-
Harvard subject headings:
Architects--Switzerland.
Architecture, Modern--20th century--Switzerland.
Botta, Mario, 1943-
Princeton subject headings:
Architects--Switzerland.
Architecture, Modern--20th century--Switzerland.
Botta, Mario, 1943-