Columbia subject headings:
Harvard subject headings:
País Vasco (Spain)--Civilization.
País Vasco (Spain)--Pictorial works.
Pays Basque (France)--Civilization.
Pays Basque (France)--Pictorial works.
Princeton subject headings:
País Vasco (Spain)--History.
País Vasco (Spain)--Social life and customs.
Pays Basque (France)--History.
Pays Basque (France)--Social life and customs.