Columbia subject headings:
Maritime law--Arctic regions.
Oil pollution of rivers, harbors, etc.--Law and legislation--Canada.
Oil pollution of rivers, harbors, etc.--Law and legislation.
Territorial waters--Canada.
Harvard subject headings:
Maritime law--Arctic regions.
Oil pollution of rivers, harbors, etc.--Law and legislation
Oil pollution of rivers, harbors, etc.--Law and legislation--Canada.
Territorial waters--Canada.
Princeton subject headings: