Columbia subject headings:
Conservation of natural resources--Law and legislation--Europe.
Environmental law--Europe.
Environmental protection--Europe.
Real property--Europe.
Harvard subject headings:
Conservation of natural resources--Law and legislation--Europe.
Environmental law--Europe
Environmental law--European Union countries
Environmental protection--Europe.
Environmental protection--European Union countries
Land use--Environmental aspects--European Union countries.
Property--European Union countries.
Real property--Europe.
Princeton subject headings:
Conservation of natural resources--Law and legislation--Europe.
Environmental law--Europe.
Environmental protection--Europe.
Real property--Europe.