Columbia subject headings:
World War, 1939-1945--Iran.
World War, 1939-1945--Secret service--Germany.
Harvard subject headings:
World War, 1939-1945--Iran.
World War, 1939-1945--Secret service--Germany.
Princeton subject headings:
World War, 1939-1945--Iran.
World War, 1939-1945--Secret service--Germany.