Columbia subject headings:
Civilization, Slavic--Congresses.
Slavic languages--Congresses.
Slavic literature--Congresses.
Harvard subject headings:
Civilization, Slavic--Congresses.
Slavic languages--Congresses.
Slavic literature--Congresses.
Princeton subject headings:
Civilization, Slavic--Congresses.
Slavic languages--Congresses.
Slavic literature--Congresses.