Columbia subject headings:
Germany--Sanitary affairs.
Germany--Statistics, Vital.
Public health--Germany.
Sanitation--Germany.
World War, 1914-1918--Medical care.
Harvard subject headings:
Germany--Statistics, Vital.
Public health--Germany
Sanitation--Germany.
World War, 1914-1918--Medical care
Princeton subject headings:
Germany--Sanitary affairs.
Germany--Statistics, Vital.
World War, 1914-1918--Medical care.