Columbia subject headings:
German literature--History and criticism--Congresses.
Taboo in literature--Congresses.
Taboo--Social aspects--History--Congresses.
Harvard subject headings:
German literature--History and criticism--Congresses
Taboo in literature--Congresses.
Taboo--Social aspects--History--Congresses.
Princeton subject headings:
German literature--History and criticism--Congresses.
Taboo in literature--Congresses.
Taboo--Social aspects--History--Congresses.