History 286 World War, 1939-1945 216 Holocaust, Jewish (1939-1945) 145 Jews 112 Soldiers 62 Campaigns 61 Persecutions 40 more ... Ethnic relations 39 World War, 1914-1918 38 Vietnam War, 1961-1975 34 Childhood and youth 33 Holocaust survivors 28 Military campaigns 28 Prisoners of war 28 Politics and government 23 Underground movements 23 Regimental histories 22 Armed Forces 21 Jewish children in the Holocaust 21 Prisoners and prisons, German 21 Generals 17 Jewish resistance 16 Journalists 16 Medical care 16 Description and travel 15 Women 15 Social life and customs 13 Aerial operations, American 12 American 12 Biography 12 less ...