Columbia subject headings:
Nineteen fourteen, A.D.
World War, 1914-1918--France.
Harvard subject headings:
France--History--German occupation, 1914-1918.
France--Social life and customs--20th century.
World War, 1914-1918--France
Princeton subject headings:
Nineteen fourteen, A.D.
World War, 1914-1918--France.