Columbia subject headings:
Harvard subject headings:
Japan--History--1926-1945
Japan--Social conditions--1912-1945.
World War, 1939-1945--Food supply--Japan.
Princeton subject headings:
Food supply--Japan--Nagano-ken--History--20th century.
Japan--Economic conditions--1918-1945--Regional disparities.
Nutrition policy--Japan--History--20th century.
World War, 1939-1945--Food supply--Japan--Regional disparities.