Columbia subject headings:
Agriculture and state--European Union countries.
Agriculture--Environmental aspects--Government policy--European Union countries.
Environmental policy--European Union countries.
Harvard subject headings:
Agriculture and state--Environmental aspects--European Union countries.
Agriculture and state--European Union countries.
Agriculture--Environmental aspects--Government policy--European Union countries.
Environmental policy--European Union countries
Princeton subject headings:
Agriculture and state--European Union countries.
Agriculture--Environmental aspects--Government policy--European Union countries.
Environmental policy--European Union countries.