Columbia subject headings:
Civilization, Slavic--Congresses.
Folklore--Slavic countries--Congresses.
Slavic philology--Congresses.
Harvard subject headings:
Civilization, Slavic--Congresses.
Folklore--Slavic countries--Congresses.
Slavic philology--Congresses.
Slavs--Congresses.
Princeton subject headings:
Civilization, Slavic--Congresses.
Folklore--Slavic countries--Congresses.
Slavic philology--Congresses.