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