Columbia subject headings:
Immigrants--Brazil--Rio Grande do Sul (State)--History.
Rio Grande do Sul (Brazil : State)--Genealogy.
Rio Grande do Sul (Brazil : State)--History.
Sweden--Emigration and immigration--History.
Swedes--Brazil--Rio Grande do Sul (State)--Biography.
Swedes--Brazil--Rio Grande do Sul (State)--Genealogy.
Swedes--Brazil--Rio Grande do Sul (State)--History.
Harvard subject headings:
Rio Grande do Sul (Brazil : State)--Emigration and immigration--History.
Sweden--Emigration and immigration--History.
Swedes--Brazil--Rio Grande do Sul--History.
Princeton subject headings: