Columbia subject headings:
Harvard subject headings:
Brazil--Foreign relations--20th century.
Cunha, Vasco Leitão da (Vasco Tristão Leitão da), 1903-1984.
Diplomats--Brazil--Interviews.
Princeton subject headings:
Ambassadors--Brazil--Interviews.
Brazil--Foreign relations--20th century.
Cunha, Vasco Leitão da, 1903-1984--Interviews.