Intelligence officers -- Biography -- 5 Fiction 5 Intelligence service -- 4 World War, 1939-1945 -- 3 Prevention -- 2 Secret service -- 2 more ... Terrorism -- 2 Amazon River Region -- 1 Americans -- 1 Army -- 1 Attempted assassination -- 1 Autobiographies 1 Biographies 1 Biography 1 Biography. -- 1 Campaigns -- 1 Chinese Americans -- 1 Computer security -- 1 Conspiracies -- 1 Crytographers -- 1 Dictionaries -- 1 Espionage, American -- 1 Fiction -- 1 Foreign relations 1 Foreign relations -- 1 Hawke, Alex (Fictitious character) -- 1 History 1 History -- 1 History. -- 1 less ...