Columbia subject headings:
Slavic languages--Grammar, Comparative.
Slavic languages--Study and teaching.
Slavic languages--Vocabulary.
Harvard subject headings:
Slavic languages--Grammar, Comparative.
Slavic languages--Study and teaching
Slavic languages--Vocabulary.
Princeton subject headings:
Slavic languages--Grammar, Comparative.
Slavic languages--Study and teaching.
Slavic languages--Vocabulary.