Columbia subject headings:
Harvard subject headings:
Holocaust, Jewish (1939-1945)--Poland--Łódź--History--Sources.
Jews--Persecutions--Poland--Łódź--History--20th century--Sources.
Łódź (Poland)--Ethnic relations.
Princeton subject headings:
Holocaust, Jewish (1939-1945)--Poland--Łódź--Sources.
Jews--Persecutions--Poland--Łódź--History--20th century--Sources.
Łódź (Poland)--Ethnic relations.