Columbia subject headings:
Harvard subject headings:
Apocalypse in literature--Congresses.
German literature--History and criticism--Congresses
Utopias in literature--Congresses.
Princeton subject headings:
Apocalypse in literature--Congresses.
Literature, Modern--20th century--History and criticism--Congresses.
Literature, Modern--21st century--History and criticism--Congresses.
Literature, Modern--History and criticism--Congresses.
Utopias in literature--Congresses.