Columbia subject headings:
Zurich (Switzerland)--Administrative and political divisions.
Zurich (Switzerland)--Economic conditions.
Zurich (Switzerland)--Politics and government.
Harvard subject headings:
Zurich (Switzerland)--Administrative and political divisions.
Zurich (Switzerland)--Economic conditions.
Zurich (Switzerland)--Politics and government.
Princeton subject headings:
Municipal incorporation--Switzerland--Zurich.
Zurich (Switzerland)--Politics and government.