Columbia subject headings:
Harvard subject headings:
Germany--Ethnic relations.
Germany--Politics and government--1933-1945.
Holocaust, Jewish (1939-1945)--Causes
Holocaust, Jewish (1939-1945)--Moral and ethical aspects
Jews--Persecutions--Germany.
World War, 1939-1945.
Princeton subject headings:
Germany--Ethnic relations.
Germany--Politics and government--1933-1945.
Holocaust, Jewish (1939-1945)--Causes.
Holocaust, Jewish (1939-1945)--Moral and ethical aspects.
Jews--Persecutions--Germany.
Righteous Gentiles in the Holocaust.
World War, 1939-1945--Jews--Rescue.