Columbia subject headings:
Food supply--Germany--Hannover Region--History--20th century.
World War, 1914-1918--Food supply--Germany--Hannover Region.
Harvard subject headings:
Food industry and trade--Germany--Hannover--History--20th century.
Forced labor--Germany--Hannover--History--20th century.
Hannover (Germany)--Economic conditions.
Hannover (Germany)--Social conditions.
Princeton subject headings:
Food industry and trade--Germany--Hannover--History--20th century.
Forced labor--Germany--Hannover--History--20th century.
Hannover (Germany)--Economic conditions.
Hannover (Germany)--Social conditions.