Columbia subject headings:
Polish people--Brazil--Rio Grande do Sul (State)
Rio Grande do Sul (Brazil : State)--Emigration and immigration.
Harvard subject headings:
Polish people--Brazil--Rio Grande do Sul (State)
Polish people--Brazil--Rio Grande do Sul.
Rio Grande do Sul (Brazil : State)--Emigration and immigration.
Princeton subject headings:
Polish people--Brazil--Rio Grande do Sul.
Rio Grande do Sul (Brazil)--Emigration and immigration.