Columbia subject headings:
Police--Poland--Województwo Śląskie--History--20th century--Pictorial works.
Police--Poland--Województwo Śląskie--History--20th century--Sources.
Harvard subject headings:
Police--Poland--Silesia (Voivodeship)
Police--Poland--Województwo Śląskie--History--20th century--Pictorial works.
Police--Poland--Województwo Śląskie--History--20th century--Sources.
Police--Silesia, Upper (Poland and Czech Republic)--History--20th century.
Princeton subject headings: