Columbia subject headings:
Harvard subject headings:
Corpora (Linguistics)
German language--Grammar, Comparative--Greek.
German language--Social aspects
German language--Study and teaching--Foreign speakers
German language--Study and teaching--Greece.
German language--Tense
Greek language--Grammar, Comparative--German.
Princeton subject headings:
Corpora (Linguistics)
German language--Grammar, Comparative--Greek.
German language--Social aspects.
German language--Study and teaching--Foreign speakers.
German language--Study and teaching--Greece.
German language--Tense.
Greek language--Grammar, Comparative--German.