Columbia subject headings:
Great Britain--Population--History--20th century.
Great Britain--Social conditions--20th century.
Public health--Great Britain--History--20th century.
World War, 1914-1918--Social aspects--Great Britain.
Harvard subject headings:
Great Britain--Population--History--20th century.
Great Britain--Social conditions--20th century.
Public health--Great Britain--History--20th century.
World War, 1914-1918--Social aspects--Great Britain
Princeton subject headings: