History 12 World War, 1939-1945 8 Ethnic relations 6 Holocaust, Jewish (1939-1945) 6 Jews 6 Literature, Modern 6 Persecutions 6 more ... Politics and government 6 Art thefts 5 Art treasures in war 5 National socialism and art 5 Reparations 5 Christianity 4 Oral history 4 Feature films 3 Holocaust survivors 3 Motion picture producers and directors 3 Protest movements 3 Agriculture 2 Animal industry 2 Archival resources 2 Banks and banking, Central 2 Cattle trade 2 Christianity and other religions 2 Concentration camps 2 Conspiracies 2 Documentary photography 2 Environmental aspects 2 Federal Reserve banks 2 Food habits 2 less ...