History World War, 1939-1945 6,692 Campaigns 1,457 Guerre mondiale, 1939-1945 604 Regimental histories 585 Histoire 519 Aerial operations, American 389 more ... Holocaust, Jewish (1939-1945) 371 Jews 361 Underground movements 329 Politics and government 299 Atrocities 240 History, Military 219 Foreign relations 215 Social aspects 206 Armed Forces 205 World War, 1914-1918 189 Women 178 Secret service 174 Social conditions 172 Soldiers 162 Prisoners of war 159 Naval operations, American 144 Naval operations 143 Aerial operations, British 137 Influence 137 Weltkrieg 131 Ethnic relations 128 Diplomatic history 124 National socialism 123 less ...