Columbia subject headings:
Harvard subject headings:
German literature--History and criticism--Congresses
Knowledge, Theory of, in literature--Congresses.
Literature and science--Congresses
Literature--History and criticism--Congresses.
Princeton subject headings:
German literature--History and criticism--Congresses.
Knowledge, Theory of, in literature--Congresses.
Literature and science--Congresses.
Literature--History and criticism--Congresses.