History 693 World War, 1939-1945 426 Holocaust, Jewish (1939-1945) 214 Jews 171 Campaigns 85 Vietnam War, 1961-1975 81 Ethnic relations 78 more ... Persecutions 69 Soldiers 67 Politics and government 63 Women 55 World War, 1914-1918 54 Holocaust survivors 46 Social conditions 42 Underground movements 38 Atrocities 36 Social life and customs 36 Description and travel 35 Womyn 35 Childhood and youth 30 Regimental histories 30 Manners and customs 29 Prisoners of war 29 Children 27 Refugees 26 Social aspects 25 Prisoners and prisons, German 24 Biography 20 Jewish children in the Holocaust 20 Travel 20 less ...