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