Columbia subject headings:
Brittany (France)--Population.
Brittany (France)--Social conditions.
Brittany (France)--Social life and customs.
Harvard subject headings:
Brittany (France)--Population.
Brittany (France)--Social conditions.
Brittany (France)--Social life and customs.
Princeton subject headings:
Brittany (France)--Population.
Brittany (France)--Social conditions.
Brittany (France)--Social life and customs.