Columbia subject headings:
Holocaust, Jewish (1939-1945)--Poland--Warsaw.
Jews--Persecutions--Poland--Warsaw.
Jews--Poland--Biography.
Ringelblum, Emanuel, 1900-1944.
Harvard subject headings:
Holocaust, Jewish (1939-1945)--Poland--Warsaw--Personal narratives
Jews--Persecutions--Poland.
Ringelblum, Emanuel, 1900-1944
Warsaw (Poland)--History.
Princeton subject headings: