Columbia subject headings:
Slavic countries--Research--Soviet Union--History.
Slavic countries--Study and teaching (Higher)--Soviet Union--History.
Slavists--Soviet Union.
Harvard subject headings:
Slavic countries--Research--Soviet Union--History.
Slavic countries--Study and teaching--Soviet Union--History.
Slavic philology--Research--Soviet Union--History.
Slavic philology--Study and teaching--Soviet Union--History.
Princeton subject headings:
Slavic countries--Research--Soviet Union--History.
Slavic countries--Study and teaching--Soviet Union--History.
Slavists--Soviet Union.