World War, 1939-1945 25 History 13 Underground movements 7 Jews 6 Holocaust, Jewish (1939-1945) 5 Foreign relations 4 Ethnic relations 3 more ... Prisoners and prisons, German 3 Prisoners of war 3 War 3 Diplomatic relations 2 International relations 2 Polish people 2 Righteous Gentiles in the Holocaust 2 Soldiers 2 15.70 history of Europe 1 Children 1 Deportations from Poland 1 Description and travel 1 Exiles 1 Faculty 1 Families 1 Family 1 Gentiles 1 Geschichte (1939-1945) 1 Immigrants 1 International humanitarian law 1 Journalists 1 Konzentrationslager 1 Occupation 1 less ...