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Venona : Soviet espionage and the American response, 1939-1957

Washington, D.C. : National Security Agency : Central Intelligence Agency, 1996.

The CIA and the pursuit of security : history, documents and contexts

Dylan, Huw, author.
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Historical dictionary of Russian and Soviet Intelligence

Pringle, Robert W., author.
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Historical Dictionary of Russian and Soviet Intelligence

Pringle, Robert W., author.
Lanham : Rowman and Littlefield, [2015]
Second edition.

Historical Dictionary of Signals Intelligence.

West, Nigel.
Lanham : Scarecrow Press, 2012.

Encyclopedia of intelligence and counterintelligence

Armonk, N.Y. : Sharpe Reference, an imprint of M.E. Sharpe, [2005]

Secrecy : the American experience

Moynihan, Daniel P. (Daniel Patrick), 1927-2003.
New Haven : Yale University Press, [1998]