World War, 1939-1945 Holocaust, Jewish (1939-1945) 25 History 18 Jews 10 Concentration camps 6 Persecutions 6 Atrocities 5 more ... Ethnic relations 5 National socialism 5 Antisemitism 4 Confiscations and contributions 4 Catholic Church 3 Collaborationists 3 Diplomats 3 Economic aspects 3 Jewish property 3 Politics and government 3 Refugees 3 Rescue 3 Christianity and antisemitism 2 Foreign relations 2 Friends and associates 2 Humanitarianism 2 Jewish ghettos 2 Jewish resistance 2 Moral and ethical aspects 2 Nazi concentration camps 2 Nazis 2 Religious aspects 2 State-sponsored terrorism 2 less ...