Columbia subject headings:
Italians--Brazil--Rio Grande do Sul (State)
Rio Grande do Sul (Brazil : State)--Rural conditions.
Vineyard laborers--Brazil--Rio Grande do Sul (State)
Harvard subject headings:
Italians--Brazil--Rio Grande do Sul (State)
Rio Grande do Sul (Brazil : State)--Rural conditions.
Vineyard laborers--Brazil--Rio Grande do Sul.
Princeton subject headings:
Italians--Brazil--Rio Grande do Sul.
Rio Grande do Sul (Brazil)--Rural conditions.
Vineyard laborers--Brazil--Rio Grande do Sul.