Columbia subject headings:
Civilization, Slavic--History--Congresses.
Slavic languages--History and criticism--Congresses.
Slavic literature--History and criticism--Congresses.
Slavs--Intellectual life--Congresses.
Harvard subject headings:
Princeton subject headings:
Civilization, Slavic--History--Congresses.
Slavic languages--History--Congresses.
Slavic literature--History and criticism--Congresses.
Slavs--Intellectual life--Congresses.