Columbia subject headings:
Farms, Size of--Brazil--Rio Grande do Sul (State)
Land reform--Brazil--Rio Grande do Sul (State)
Harvard subject headings:
Farms, Size of--Brazil--Rio Grande do Sul (State)
Land reform--Brazil--Rio Grande do Sul (State)
Princeton subject headings:
Farms, Size of--Brazil--Rio Grande do Sul (State).
Land reform--Brazil--Rio Grande do Sul (State).