Columbia subject headings:
Brazil--Emigration and immigration--History--Congresses.
Europe--Emigration and immigration--History--Congresses.
Europeans--Brazil--History--Congresses.
Harvard subject headings:
Brazil--Emigration and immigration--History--Congresses.
Europe--Emigration and immigration--History--Congresses.
Europeans--Brazil--History--Congresses.
Princeton subject headings:
Brazil--Emigration and immigration--Congresses.
Europe--Emigration and immigration--Congresses.
Europeans--Brazil--Congresses.
Immigrants--Brazil--Congresses.