World War, 1939-1945 History 118 Campaigns 85 Soldiers 43 Holocaust, Jewish (1939-1945) 42 Prisoners of war 40 Prisoners and prisons, Japanese 29 Jews 27 Social conditions 22 Prisoners and prisons, German 20 Aerial operations, American 19 Concentration camps 19 Japanese Americans 16 Regimental histories 16 Underground movements 14 Atrocities 13 Children 13 Social life and customs 13 Veterans 12 Officers 11 Women 11 Fighter pilots 10 Generals 10 Holocaust survivors 10 Medical care 10 Politics and government 10 Forced removal and internment, 1942-1945 9 National socialism 9 Armed Forces 8 Childhood and youth 8