Columbia subject headings:
Land reform--Switzerland--Zurich (Canton)
Land tenure--Switzerland--Zurich (Canton)
Social change--Switzerland--Zurich (Canton)
Harvard subject headings:
Land reform--Switzerland--Zurich (Canton)
Land tenure--Switzerland--Zurich (Canton)
Social change--Switzerland--Zurich (Canton).
Princeton subject headings:
Land reform--Switzerland--Zurich (Canton).
Land tenure--Switzerland--Zurich (Canton).
Social change--Switzerland--Zurich (Canton).