Columbia subject headings:
Farm produce--Brazil--Pará (State)
Food supply--Brazil, North.
Food supply--Brazil--Pará (State)
Produce trade--Brazil, North.
Produce trade--Brazil--Pará (State)
Produce trade--Government policy--Brazil--Pará (State)
Harvard subject headings:
Farm produce--Brazil--Pará (State)
Food supply--Brazil, North.
Food supply--Brazil--Pará (State)
Produce trade--Brazil, North.
Produce trade--Brazil--Pará (State)
Produce trade--Government policy--Brazil--Pará (State)
Princeton subject headings:
Farm produce--Brazil--Pará (State).
Food supply--Brazil, North.
Food supply--Brazil--Pará (State).
Produce trade--Brazil, North.
Produce trade--Brazil--Pará (State).
Produce trade--Government policy--Brazil--Pará (State).