Columbia subject headings:
Architects--Switzerland--21st century.
Architectural firms--Switzerland--21st century.
Architecture--Switzerland--History--21st century.
Harvard subject headings:
Architects--Switzerland--21st century.
Architectural firms--Switzerland--21st century.
Architecture--Switzerland--21st century.
Princeton subject headings:
Architects--Switzerland--21st century.
Architectural firms--Switzerland--21st century.
Architecture--Switzerland--21st century.