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LC control 85044893
Topical headingEspionage
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Variant(s)Covert operations (Espionage)
Operations, Undercover (Espionage)
Undercover operations (Espionage)
See alsosubdivision Secret service under names of wars, etc., e.g. World War, 1939-1945--Secret service; United States--History--Civil War, 1861-1865--Secret service
Intelligence service
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Found inGoogle search, Nov. 16, 2005 (the terms "undercover operations" and "covert operations" are used in the fields of both espionage and criminal investigation.)