World War, 1939-1945 History 114 Jews 53 Holocaust, Jewish (1939-1945) 42 Underground movements 19 Prisoners and prisons, German 17 Persecutions 13 more ... Atrocities 12 Campaigns 11 Concentration camps 11 Ethnic relations 10 Politics and government 10 Artists 9 Diplomatic history 9 Dutch 9 Neutrality 9 Rescue 9 Foreign relations 8 Friendship 8 Families 7 Collaborationists 6 Economic aspects 6 Family life 6 Fiction 6 National socialism 6 Personal narratives, Dutch 6 Prisoners and prisons, Japanese 6 Prisoners of war 6 Conscript labor 5 Diplomatic relations 5 less ...