Columbia subject headings:
Polish language--Grammar, Comparative--Serbo-Croatian.
Polish language--Suffixes and prefixes.
Polish language--Verb.
Serbo-Croatian language--Grammar, Comparative--Polish.
Serbo-Croatian language--Suffixes and prefixes.
Serbo-Croatian language--Verb.
Slavic languages--Grammar, Historical.
Harvard subject headings:
Polish language--Grammar, Comparative--Serbo-Croatian.
Polish language--Suffixes and prefixes.
Polish language--Verb.
Serbo-Croatian language--Grammar, Comparative--Polish.
Serbo-Croatian language--Suffixes and prefixes.
Serbo-Croatian language--Verb.
Princeton subject headings: