Secret service History 2,272 World War, 1939-1945 1,807 Service secret 1,026 Spies 824 Intelligence service 697 Histoire 549 יותר ... Guerre mondiale, 1939-1945 532 Politics and government 393 Military intelligence 347 World War, 1914-1918 326 Espionage 323 Underground movements 223 Intelligence officers 220 Foreign relations 192 Internal security 174 Espions 170 Campaigns 146 HISTORY 140 Women spies 137 Cryptography 136 Service des renseignements 131 Police 116 Vietnam War, 1961-1975 114 Officials and employees 109 War 108 Espionage, German 107 Espionage, British 102 Espionage, Soviet 99 Geheimdienst 96 פחות ...