Columbia subject headings:
Germanic languages--Idioms--History.
Germanic languages--Phraseology--History.
Historical linguistics--Germany.
Linguistic change--Germany.
Phraseology.
Harvard subject headings:
German language--Phraseology--History.
Germanic languages--Idioms--History.
Germanic languages--Phraseology--History.
Historical linguistics--Germany.
Linguistic change--Germany.
Phraseology--Research--History.
Phraseology.
Princeton subject headings:
Germanic languages--Idioms--History.
Germanic languages--Phraseology--History.
Historical linguistics--Germany.
Linguistic change--Germany.
Phraseology.