Columbia subject headings:
Harvard subject headings:
Silesia, Upper (Poland and Czech Republic)--History.
World War, 1939-1945--Concentration camps--Silesia, Upper (Poland and Czechoslovakia)
World War, 1939-1945--Prisoners and prisons, German.
Princeton subject headings:
Prisons--Poland--Częstochowa.
Prisons--Poland--Silesia (Voivodeship).
Prisons--Poland--Zagłębie Dąbrowskie.
World War, 1939-1945--Prisoners and prisons, German.