Columbia subject headings:
Immigrants--Brazil--History--Congresses.
Immigrants--Brazil--Rio Grande do Sul (State)--History--Congresses.
Italians--Brazil--Biography--Congresses.
Italians--Brazil--History--Congresses.
Italians--Brazil--Rio Grande do Sul (State)--Biography--Congresses.
Italians--Brazil--Rio Grande do Sul (State)--History--Congresses.
Harvard subject headings:
Immigrants--Brazil--History--Congresses.
Italians--Brazil--Biography--Congresses.
Italians--Brazil--History--Congresses.
Princeton subject headings: