Columbia subject headings:
Polish language--Consonants.
Polish language--Dialects--Phonetics.
Polish language--Phonology, Historical.
Harvard subject headings:
Polish language--Consonants.
Polish language--Dialects--Phonetics.
Polish language--Phonology, Historical.
Princeton subject headings:
Polish language--Consonants.
Polish language--Dialects--Phonetics.
Polish language--Phonology, Historical.