Columbia subject headings:
Basque language--Variation.
Languages in contact--France--Pays Basque.
Languages in contact--Spain--País Vasco.
Pays Basque (France)--Languages.
País Vasco (Spain)--Languages.
Harvard subject headings:
Basque language--Variation.
Basques--France--Ethnic identity.
Basques--Spain--Ethnic identity.
Languages in contact--France--Pays Basque.
Languages in contact--Pays Basque (France)
Languages in contact--País Vasco (Spain)
Languages in contact--Spain--País Vasco.
País Vasco (Spain)--Languages.
Pays Basque (France)--Languages.
Princeton subject headings:
Basque language--Variation.
Basques--France--Ethnic identity.
Basques--Spain--Ethnic identity.
Languages in contact--France--Pays Basque.
Languages in contact--Spain--País Vasco.
País Vasco (Spain)--Languages.
Pays Basque (France)--Languages.