Columbia subject headings:
Normandy (France)--Population--History.
Normandy (France)--Statistics, Medical--History.
Normandy (France)--Statistics, Vital--History.
Harvard subject headings:
Normandy (France)--Population--History.
Normandy (France)--Statistics, Medical--History.
Normandy (France)--Statistics, Vital--History.
Princeton subject headings:
Normandy (France)--Population--History.
Normandy (France)--Statistics, Medical--History.
Normandy (France)--Statistics, Vital--History.