History 660 World War, 1939-1945 401 Holocaust, Jewish (1939-1945) 204 Jews 159 Campaigns 84 Ethnic relations 72 Soldiers 64 more ... Vietnam War, 1961-1975 63 Persecutions 61 Politics and government 54 World War, 1914-1918 54 Women 42 Holocaust survivors 39 Underground movements 37 Description and travel 36 Social conditions 36 Social life and customs 35 Childhood and youth 31 Womyn 30 Manners and customs 29 Regimental histories 28 Atrocities 25 Prisoners of war 24 Children 22 Prisoners and prisons, German 22 Social aspects 22 Refugees 21 History and criticism 20 Travel 20 Jewish children in the Holocaust 19 less ...