Columbia subject headings:
German literature--Appreciation--Congresses.
German literature--History and criticism--Congresses.
Harvard subject headings:
Culture in literature--Congresses.
German literature--Appreciation--Congresses
German literature--History and criticism--Congresses
Literature--History and criticism--Congresses.
Princeton subject headings:
German literature--Appreciation--Congresses.
German literature--History and criticism--Congresses.