Columbia subject headings:
Harvard subject headings:
Culture in literature--Congresses.
English literature--History and criticism--Congresses
Rivers in literature--Congresses.
Slavic literature--History and criticism--Congresses.
Princeton subject headings:
Culture in literature--Congresses.
English literature--History and criticism--Congresses.
Rivers in literature--Congresses.
Slavic literature--History and criticism--Congresses.