Columbia subject headings:
Brazil--Economic conditions--1945---Congresses.
Brazil--Social conditions--Congresses.
Social sciences--Research--Brazil--Congresses.
Harvard subject headings:
Brazil--Economic conditions--1945---Congresses.
Brazil--Social conditions--Congresses.
Social sciences--Research--Brazil--Congresses.
Princeton subject headings:
Brazil--Economic conditions--1945---Congresses.
Brazil--Social conditions--Congresses.
Social sciences--Research--Brazil--Congresses.