Intelligence service 63 History 15 National security 15 Terrorism 9 Prevention 7 English fiction 6 Law enforcement 5 Ryan, Jack (Fictitious character) 5 Bond, James (Fictitious character) 4 Corporations, American 4 Corrupt practices 4 Economists 4 Fiction 4 Imperialism 4 Biosecurity 3 Secret service 3 Teams in the workplace 3 Brahmans 2 Camel Club (Imaginary organization) 2 Chief financial officers 2 Consolidation and merger of corporations 2 Electronic surveillance 2 Espionage 2 Foreign relations 2 Great Britain 2 Infiltration (Military science) 2 Israel 2 Law and legislation 2 Malaya 2 Malayan Emergency, 1948-1960 2