Columbia subject headings:
Architects--Switzerland.
Architectural drawing--Switzerland--Exhibitions.
Architecture--Switzerland--History--20th century.
Bernoulli, Hans, 1876-1959--Exhibitions.
Harvard subject headings:
Architects--Switzerland.
Architectural drawing--Switzerland--Exhibitions
Architecture, Modern--20th century--Switzerland.
Bernoulli, Hans, 1876---Exhibitions.
Princeton subject headings:
Architects--Switzerland.
Architectural drawing--Switzerland--Exhibitions.
Architecture, Modern--20th century--Switzerland.
Bernoulli, Hans, 1876-1959--Exhibitions.