History 562 World War, 1939-1945 233 Jews 156 Holocaust, Jewish (1939-1945) 135 Underground movements 60 Intellectual life 48 Persecutions 48 more ... Histoire 45 Social life and customs 42 Ethnic relations 37 Juifs 35 Holocauste, 1939-1945 33 Guerre mondiale, 1939-1945 28 Biography 24 Description and travel 22 Buildings, structures, etc 19 Jewish ghettos 19 Reconstruction (1939-1951) 19 Pictorial works 18 Jewish resistance 16 Campaigns 14 Jewish musicians 14 Politics and government 14 Persécutions 13 Personal narratives, Polish 13 Authors, Polish 12 Social conditions 12 Atrocities 11 History, Military 10 Soldiers 10 less ...