Columbia subject headings:
Environmental law--Amazon River Region--Congresses.
Environmental law--South America--Congresses.
Human ecology--Amazon River Region--Congresses.
Human ecology--South America--Congresses.
Indians of South America--Amazon River Region--Government relations--Congresses.
Indians of South America--Government relations--Congresses.
Natural resources--Amazon River Region--Congresses.
Natural resources--South America--Congresses.
Harvard subject headings:
Environmental law--Amazon River Region--Congresses.
Environmental law--South America--Congresses.
Human ecology--Amazon River Region--Congresses.
Human ecology--South America--Congresses.
Indians of South America--Amazon River Region--Government relations--Congresses.
Indians of South America--Government relations--Congresses.
Natural resources--Amazon River Region--Congresses.
Natural resources--South America--Congresses.
Princeton subject headings:
Environmental law--Amazon River Region--Congresses.
Environmental law--South America--Congresses.
Human ecology--Amazon River Region--Congresses.
Human ecology--South America--Congresses.
Indians of South America--Amazon River Region--Government relations--Congresses.
Indians of South America--Government relations--Congresses.
Natural resources--Amazon River Region--Congresses.
Natural resources--South America--Congresses.