Columbia subject headings:
German literature--History and criticism--Congresses.
Social structure in literature--Congresses.
Utopias in literature--Congresses.
Harvard subject headings:
German literature--History and criticism--Congresses
Mystery in literature--Congresses.
Politics in literature--Congresses.
Possibility in literature--Congresses.
Social structure in literature--Congresses.
Utopias in literature--Congresses.
Princeton subject headings:
German literature--History and criticism--Congresses.
Social structure in literature--Congresses.
Utopias in literature--Congresses.