European Jewry
Yad Vashem
International Tracing Service (Arolsen Center – International Center on Nazi Persecution): Online archive: Contains materials on concentration camps, ghettoes, Nazi penal institutions
German Propaganda Archive (Calvin College)
Life under Nazi Rule: Reports by Anti-Fascists in Occupied Europe, 1933-1945
Prosecuting the Holocaust: British Investigations into Nazi Crimes, 1944-1949