Columbia subject headings:
Harvard subject headings:
German literature--20th century--History and criticism--Congresses
Literature, Modern--20th century--History and criticism--Congresses
Modernism (Literature)--Congresses.
Postmodernism (Literature)--Congresses.
Princeton subject headings:
German literature--20th century--History and criticism--Congresses.
Literature, Modern--20th century--History and criticism--Congresses.
Modernism (Literature)--Congresses.
Postmodernism (Literature)--Congresses.