Columbia subject headings:
Slavic countries--Bibliography.
Slavic philology--Bibliography.
Harvard subject headings:
International Congress of Slavists (7th : 1973 : Warsaw)--Bibliography.
Slavic countries--Bibliography.
Slavic philology--Bibliography.
Princeton subject headings:
International Congress of Slavists (7th : 1973 : Warsaw, Poland)--Bibliography.
Slavic countries--Bibliography.
Slavic philology--Bibliography.