Columbia subject headings:
Architecture--Awards--Switzerland--Zurich--Exhibitions.
Architecture--Switzerland--Zurich--History--20th century--Exhibitions.
Zurich (Switzerland)--Buildings, structures, etc.
Harvard subject headings:
Architecture--Switzerland--Zurich--History--Exhibitions.
Architecture--Switzerland--Zürich--20th century--Exhibitions.
Architecture--Switzerland--Zürich--History--20th century--Exhibitions.
Zurich (Switzerland)--Buildings, structures, etc.
Princeton subject headings: