LC control no. | sh 85044893 |
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Topical heading | Espionage |
Variant(s) | Covert operations (Espionage) Operations, Undercover (Espionage) Spying Undercover operations (Espionage) |
See also | subdivision 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 Spies |
Found in | Google search, Nov. 16, 2005 (the terms "undercover operations" and "covert operations" are used in the fields of both espionage and criminal investigation.) |