Columbia subject headings:
Harvard subject headings:
Polish language--Dialects--Poland--Silesia.
Silesia (Poland : Voivodeship)--History.
Silesia (Poland : Voivodeship)--Languages.
Silesia (Poland : Voivodeship)--Social life and customs.
Princeton subject headings:
Polish language--Dialects--Poland--Silesia (Voivodeship).
Silesia (Poland : Voivodeship)--History.
Silesia (Poland : Voivodeship)--Languages.
Silesia (Poland : Voivodeship)--Social life and customs.