| Espionage -- France -- History -- 19th century. Matches 1 item |
| Espionage, German -- United States -- History -- 20th century. Matches 2 items |
| Espionage -- Germany -- Berlin -- History -- 20th century. Matches 1 item |
| Espionage -- Great Britain. Matches 1 item |
| Espionage -- History. Matches 1 item |
| Espionage -- History -- 20th century. Matches 1 item |
| Espionage in literature. Matches 4 items |
| Espionage in literature -- Dictionaries. Matches 1 item |
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Espionage, Industrial. SEE: Business intelligence Matches 6 items
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Espionage, Industrial -- Case studies. SEE: Business intelligence -- Case studies. Matches 1 item
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