Columbia subject headings:
Brazil--Economic conditions--Congresses.
Industrialization--Brazil--History--Congresses.
Labor market--Brazil--History--Congresses.
Harvard subject headings:
Brazil--Economic conditions--Congresses.
Brazil--Economic conditions.
Industrialization--Brazil--History--Congresses.
Labor market--Brazil--History--Congresses.
Princeton subject headings:
Brazil--Economic conditions--Congresses.
Industrialization--Brazil--History--Congresses.
Labor market--Brazil--History--Congresses.