Columbia subject headings:
Brazil--Emigration and immigration.
Immigrants--Brazil--History--19th century.
Immigrants--Brazil--History--20th century.
Portugal--Emigration and immigration.
Harvard subject headings:
Brazil--Emigration and immigration.
Immigrants--Brazil--History--19th century.
Immigrants--Brazil--History--20th century.
Portugal--Emigration and immigration.
Princeton subject headings:
Brazil--Emigration and immigration--History.
Portugal--Emigration and immigration--History.
Portuguese--Brazil.