Columbia subject headings:
Harvard subject headings:
Brazil--Economic conditions--1945-
Brazil--Politics and government--1954-
Brazil--Social conditions--1945-
Working class--Brazil.
Princeton subject headings:
Brazil--Economic conditions--1945-1964.
Brazil--Economic conditions--1964-1985.
Brazil--Politics and government--1964-1985.
Brazil--Social conditions--1945-1964.
Brazil--Social conditions--1964-.
Working class--Brazil.