World War, 1939-1945 History 2,087 Campaigns 828 Holocaust, Jewish (1939-1945) 279 Social aspects 255 Jews 218 Politics and government 216 more ... Foreign relations 196 Social conditions 196 Regimental histories 174 Aerial operations, American 173 Atrocities 156 History, Military 147 Prisoners of war 147 Soldiers 145 Underground movements 136 Aerial operations, British 135 Influence 135 History and criticism 133 Diplomatic history 120 Refugees 111 Secret service 111 Literature and the war 103 Women 102 Naval operations 101 Naval operations, American 101 Armed Forces 95 Concentration camps 91 Ethnic relations 91 World War, 1914-1918 89 less ...