Columbia subject headings:
Brazil--Economic conditions--1918-
Brazil--Politics and government--1930-1945.
Brazil--Politics and government--1954-1964.
Brazil--Social conditions.
Harvard subject headings:
Brazil--Economic conditions--1918-
Brazil--Politics and government--1930-1945.
Brazil--Politics and government--1945-1954.
Brazil--Politics and government--1954-
Brazil--Social conditions.
Princeton subject headings:
Brazil--Economic conditions--1918-
Brazil--Politics and government--1930-1945.
Brazil--Politics and government--1945-1954.
Brazil--Politics and government--1954-.
Brazil--Social conditions.