Columbia subject headings:
Oldenburg (Germany)--History.
World War, 1914-1918--Germany--Oldenburg.
Harvard subject headings:
Food relief--Germany--Oldenburg--History--20th century.
Oldenburg (Germany)--Politics and government--20th century.
Welfare state--Germany--Oldenburg--History--20th century.
World War, 1914-1918--Germany--Oldenburg.
Princeton subject headings:
Food relief--Germany--Oldenburg--History--20th century.
Oldenburg (Germany)--Politics and government--20th century.
Welfare state--Germany--Oldenburg--History--20th century.
World War, 1914-1918--Germany--Oldenburg.