Columbia subject headings:
Conservation of natural resources--International cooperation.
Conservation of natural resources--Law and legislation.
Cultural property--Protection (International law)
Environmental ethics.
Harvard subject headings:
Common heritage of mankind (International law)
Conservation of natural resources--International cooperation.
Conservation of natural resources--Law and legislation.
Cultural property--Protection (International law)
Environmental ethics.
Environmental law, International.
Princeton subject headings:
Conservation of natural resources--International cooperation.
Conservation of natural resources--Law and legislation.
Cultural property--Protection (International law)
Environmental ethics.