Columbia subject headings:
German language--Sources.
German language--Study and teaching--Foreign speakers.
Mass media--Germany--Sources.
Harvard subject headings:
German language--Study and teaching (Higher)--Foreign speakers--Congresses.
Mass media and language--Congresses.
Princeton subject headings:
German language--Sources--Congresses.
German language--Study and teaching--Foreign speakers--Congresses.
Mass media--Germany--Sources--Congresses.