Columbia subject headings:
International rivers.
Niger River--Water rights.
Nile River--Water rights.
Senegal River--Water rights.
Water resources development--Law and legislation--Africa.
Harvard subject headings:
International rivers.
Niger River--Water rights.
Nile River--Water rights.
Senegal River--Water rights.
Water resources development--Law and legislation--Africa.
Princeton subject headings:
International rivers.
Niger River--Water-rights.
Nile River--Water-rights.
Senegal River--Water-rights.
Water resources development--Law and legislation--Africa.