Columbia subject headings:
Harvard subject headings:
Biology in literature--Congresses.
Culture in literature--Congresses.
European literature--19th century--History and criticism--Congresses.
European literature--20th century--History and criticism--Congresses.
European literature--Themes, motives--Congresses.
Literature and science--Congresses
Modernism (Literature)--Europe--Congresses.
Princeton subject headings:
Biology in literature--Congresses.
Biology--Social aspects--Europe--Congresses.
Eugenics in literature--Congresses.