World War, 1939-1945 History 2,118 Campaigns 837 Holocaust, Jewish (1939-1945) 283 Social aspects 257 Jews 220 Politics and government 218 more ... Foreign relations 200 Social conditions 197 Regimental histories 177 Aerial operations, American 173 Atrocities 158 History, Military 149 Prisoners of war 148 Soldiers 148 Underground movements 142 Aerial operations, British 136 History and criticism 136 Influence 136 Diplomatic history 122 Refugees 112 Secret service 112 Literature and the war 107 Women 105 Naval operations, American 101 Naval operations 99 Armed Forces 96 Concentration camps 93 Ethnic relations 91 Officers 89 less ...