Columbia subject headings:
Brazil--Foreign relations--20th century.
Brazil--Politics and government--20th century.
Campos, Roberto de Oliveira.
Diplomats--Brazil--Biography.
Economists--Brazil--Biography.
Harvard subject headings:
Brazil--Foreign relations--20th century.
Brazil--Politics and government--20th century.
Campos, Roberto de Oliveira.
Diplomats--Brazil--Biography
Economists--Brazil--Biography.
Princeton subject headings:
Brazil--Foreign relations--20th century.
Brazil--Politics and government--20th century.
Campos, Roberto de Oliveira.
Diplomats--Brazil--Biography.
Economists--Brazil--Biography.