Columbia subject headings:
Basque language--Case.
Basque language--Grammar, Generative.
Basque language--Syntax.
Harvard subject headings:
Basque language--Case.
Basque language--Grammar, Generative.
Basque language--Syntax.
Princeton subject headings:
Basque language--Case.
Basque language--Grammar, Generative.
Basque language--Syntax.