Columbia subject headings:
Harvard subject headings:
German language--Study and teaching--Poland.
German philology--Study and teaching--Foreign speakers.
German philology--Study and teaching--Poland.
Language transfer (Language learning)--Poland.
Princeton subject headings:
German language--Study and teaching--Poland.
German philology--Study and teaching--Foreign speakers.
German philology--Study and teaching--Poland.
Language transfer (Language learning)--Poland.