Columbia subject headings:
German language--Adverb.
German language--Particles.
German language--Semantics.
German language--Syntax.
Harvard subject headings:
German language--Adverb.
German language--Particles.
German language--Semantics.
German language--Syntax.
Princeton subject headings:
German language--Particles.
German language--Semantics.
German language--Syntax.