Columbia subject headings:
Agriculture and state--Amazon River Region.
Agriculture and state--Brazil.
Land reform--Brazil.
Military government--Brazil.
Social conflict--Brazil.
Harvard subject headings:
Agriculture and state--Amazon River Region.
Agriculture and state--Brazil.
Land reform--Brazil.
Military government--Brazil.
Social conflict--Brazil.
Princeton subject headings:
Agriculture and state--Amazon River Region.
Agriculture and state--Brazil.
Land reform--Brazil.
Military government--Brazil.
Social conflict--Brazil.