Columbia subject headings:
Boundaries in literature--Congresses.
East and West in literature--Congresses.
Russia--Relations--Spain--Congresses.
Russian literature--History and criticism--Congresses.
Spain--Relations--Russia--Congresses.
Harvard subject headings:
Boundaries in literature--Congresses.
East and West in literature--Congresses.
Russia--Relations--Spain--Congresses.
Russian literature--History and criticism--Congresses
Spain--Relations--Russia--Congresses.
Princeton subject headings:
Boundaries in literature--Congresses.
East and West in literature--Congresses.
Russia--Relations--Spain--Congresses.
Russian literature--History and criticism--Congresses.
Spain--Relations--Russia--Congresses.