Columbia subject headings:
Harvard subject headings:
Ambassadors--Brazil--Biography.
Brazil--Foreign relations--1930-1945.
Brazil--Foreign relations--1945-1954.
Nabuco, Maurício, 1891-1979.
Princeton subject headings:
Diplomats--Brazil--Biography.
Diplomats--Brazil--Correspondence, reminiscences, etc.
Nabuco, Maurício, 1891-1979.