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Spy overhead : the story of industrial espionage /

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Bibliographic Details
Main Author: Calkins, Clinch
Format: Book
Language:English
Published: New York : Harcourt, Brace and company, [1937]
Subjects:
Working class > United States > 1914-
Spies.
Labor movement > United States > 1914-
Labor > United States > 1914-
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by Calkins, Clinch
Published 1971
Book
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