Columbia subject headings:
Jews--Poland.
Nazi concentration camps--Poland.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Concentration camps--Poland.
World War, 1939-1945--Jews--Poland.
World War, 1939-1945--Prisoners and prisons, German.
Harvard subject headings:
Concentration camps--Poland.
World War, 1939-1945--Atrocities.
Princeton subject headings: