World War, 1939-1945 540 Holocaust, Jewish (1939-1945) 235 History 203 Campaigns 136 Jews 93 Historiography 44 Influence 44 more ... Holocaust survivors 42 Regimental histories 36 Prisoners of war 31 History and criticism 29 Collective memory 25 Atrocities 24 Aerial operations, American 23 Ethnic relations 23 Persecutions 23 Soldiers 23 Concentration camps 22 Prisoners and prisons, Japanese 21 Jewish children in the Holocaust 20 Psychological aspects 18 Social aspects 18 Holocaust, Jewish (1939-1945), in literature 17 Officers 17 Moral and ethical aspects 15 Prisoners and prisons, German 15 Judaism 13 Tank warfare 13 Underground movements 13 Aerial operations, British 12 less ...