Columbia subject headings:
Polish language--Adverb.
Russian language--Adverb.
Serbo-Croatian language--Adverb.
Harvard subject headings:
Princeton subject headings:
Grammar, Comparative and general--Adverb.
Grammar, Comparative and general--Pronoun.
Slavic languages--Adverb.
Slavic languages--Grammar, Comparative.
Slavic languages--Pronoun.