Columbia subject headings:
Japan--Economic conditions--1918-1945.
World War, 1939-1945--Military intelligence--Japan.
Harvard subject headings:
Japan--Economic conditions--1918-1945.
World War, 1939-1945--Military intelligence--Japan.
Princeton subject headings:
Japan--Economic conditions--1918-1945.
World War, 1939-1945--Military intelligence--Japan.