Columbia subject headings:
German language--Research--Congresses.
German language--Study and teaching (Higher)--Congresses.
German language--Study and teaching--Foreign speakers--Congresses.
German philology--Study and teaching (Higher)--Congresses.
Harvard subject headings:
German language--Research--Congresses.
German language--Study and teaching (Higher)--Congresses.
German language--Study and teaching--Foreign speakers--Congresses.
German philology--Study and teaching (Higher)--Congresses.
Princeton subject headings:
German language--Research--Congresses.
German language--Study and teaching (Higher)--Congresses.
German language--Study and teaching--Foreign speakers--Congresses.
German philology--Study and teaching (Higher)--Congresses.