Columbia subject headings:
Agriculture--Economic aspects--Brazil--Amazonas.
Amazonas (Brazil)--Rural conditions.
Manaus (Brazil)--Population.
Rural-urban migration--Brazil--Manaus.
Harvard subject headings:
Agriculture--Economic aspects--Brazil--Amazonas.
Amazonas (Brazil)--Rural conditions.
Manaus (Brazil)--Population.
Rural-urban migration--Brazil--Manaus.
Princeton subject headings:
Manaus (Brazil)--Economic conditions.
Migration, Internal--Brazil--Manaus.