Columbia subject headings:
Aquitaine (France)--Social conditions.
Languedoc (France)--Social conditions.
Spain--Social conditions.
Harvard subject headings:
Aquitaine (France)--Social conditions.
Languedoc (France)--Social conditions.
Spain--Social conditions.
Princeton subject headings:
Aquitaine (France)--Social conditions.
Languedoc (France)--Social conditions.
Spain--Social conditions.