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Espionage (Topical Term)

Preferred form: Espionage
Used for/see from:
  • Covert operations (Espionage)
  • Operations, Undercover (Espionage)
  • Spying
  • Undercover operations (Espionage)
See also:

Google search, Nov. 16, 2005 (the terms "undercover operations" and "covert operations" are used in the fields of both espionage and criminal investigation.)