Columbia subject headings:
Couples--France--History--20th century.
Families--France--History--20th century.
World War, 1914-1918--Social aspects--France.
Harvard subject headings:
Couples--France--History--20th century.
Married people--France--History--20th century.
World War, 1914-1918--Social aspects--France.
World War, 1914-1918--Women--France.
Princeton subject headings:
Couples--France--History--20th century.
Families--France--History--20th century.
World War, 1914-1918--Social aspects--France.