Columbia subject headings:
Epidemiology--Germany--History.
Germany--Statistics, Medical.
Medicine--Germany--History.
Public health--Germany--History.
Harvard subject headings:
Epidemiology--Germany--History.
Germany--Statistics, Medical.
Medicine--Germany--History.
Public health--Germany--History.
Princeton subject headings:
Epidemiology--Germany--History.
Germany--Statistics, Medical.
Medicine--Germany--History.
Public health--Germany--History.