Columbia subject headings:
Harvard subject headings:
Concentration camps--Poland--Sources.
Holocaust, Jewish (1939-1945)--Sources
World War, 1939-1945--War crimes--Sources.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Sources.
Jews--Persecutions--Poland.
Nazi concentration camps--Poland--Sources.
World War, 1939-1945--Atrocities--Sources.