Columbia subject headings:
Brazil--History--1930-1945.
Hitler, Adolf, 1889-1945.
World War, 1939-1945--Brazil.
World War, 1939-1945--Secret service--Germany.
Harvard subject headings:
Brazil--History--1930-1945
Hitler, Adolf, 1889-1945
World War, 1939-1945--Brazil
World War, 1939-1945--Secret service--Germany
Princeton subject headings:
Brazil--History--1930-1945.
Hitler, Adolf, 1889-1945.
World War, 1939-1945--Brazil.
World War, 1939-1945--Secret service--Germany.