Columbia subject headings:
Espionage--Japan--History.
Japan--Foreign relations--United States.
Japan--History--20th century.
United States--Foreign relations--Japan.
United States. Central Intelligence Agency.
Harvard subject headings:
Espionage--Japan--History.
Japan--Foreign relations--United States
Japan--History--20th century
United States--Foreign relations--Japan
United States. Central Intelligence Agency
Princeton subject headings: