Columbia subject headings:
Harvard subject headings:
Generative grammar.
Grammar, Comparative and general--Interrogative.
Grammar, Comparative and general--Syntax.
Semantics.
Swedish language--Interrogative.
Princeton subject headings:
Generative grammar.
Grammar, Comparative and general--Interrogative.
Grammar, Comparative and general--Syntax.
Semantics.
Swedish language--Interrogative.