Columbia subject headings:
Architecture--Switzerland--Zurich--History--19th century.
Architecture--Switzerland--Zurich--History--20th century.
Baugeschichtliches Archiv der Stadt Zürich--History.
City planning--Switzerland--Zurich.
Harvard subject headings:
Architecture--Switzerland--Zurich--19th century--Pictorial works.
Architecture--Switzerland--Zurich--20th century--Pictorial works.
Zurich (Switzerland)--Buildings, structures, etc.--History--Pictorial works.
Princeton subject headings: