Sources History 1,573 Politics and government 231 World War, 1939-1945 109 Jews 107 Foreign relations 105 International relations 80 more ... Holocaust, Jewish (1939-1945) 78 Histoire 63 Church history 60 Middle Ages 49 Persecutions 43 Archives 40 Ethnic relations 37 National socialism 36 Correspondence 35 Historiography 35 Officials and employees 30 World War, 1914-1918 25 Kings and rulers 24 Nazis 23 Reformation 21 Statesmen 21 Germans 20 Law 20 Anti-Nazi movement 19 Biography 19 Civilization 19 Relations 19 Atrocities 18 less ...