Columbia subject headings:
Harvard subject headings:
German language--Study and teaching--Poland.
German philology--Study and teaching--Poland--Wrocław.
German philology--Study and teaching--Poland.
Language and languages--Study and teaching
Literature--Study and teaching--Poland.
Sociolinguistics--Poland.
Princeton subject headings:
German language--Study and teaching--Poland.
German philology--Study and teaching--Poland--Wrocław.
German philology--Study and teaching--Poland.
Language and languages--Study and teaching.
Literature--Study and teaching--Poland.
Sociolinguistics--Poland.