Columbia subject headings:
Harvard subject headings:
Dissertations, Academic--Germany--Bibliography.
Language and languages--Study and teaching--Germany--Bibliography.
Language and languages--Study and teaching--Germany--Congresses--Bibliography.
Languages, Modern--Study and teaching--Germany--Bibliography.
Princeton subject headings:
Dissertations, Academic--Germany--Bibliography.
Language and languages--Study and teaching (Higher)--Germany--History--Bibliography.
Language and languages--Study and teaching--Bibliography.
Linguistics--Congresses--Bibliography.
Linguistics--Research--Bibliography.
Linguistics--Research--Germany--History--Bibliography.