Columbia subject headings:
German language--Europe, Central--Congresses.
German literature--Europe, Central--History and criticism--Congresses.
German literature--Europe, German-speaking--History--Congresses.
Harvard subject headings:
German language--Europe, Central--Congresses.
German literature--Europe, Central--History and criticism--Congresses.
German literature--Europe, German-speaking--History--Congresses.
Princeton subject headings:
German language--Europe, Central--Congresses.
German literature--Europe, Central--History and criticism--Congresses.
German literature--Europe, German-speaking--History--Congresses.