Lucy spy ring (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Lucy spy ring" in English language version.

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archive.org

Kesaris, Paul. L, ed. (1979). The Rote Kapelle: the CIA's history of Soviet intelligence and espionage networks in Western Europe, 1936-1945. Washington DC: University Publications of America. pp. 185–193. ISBN 0-89093-203-4.
Kesaris, Paul. L, ed. (1979). The Rote Kapelle: the CIA's history of Soviet intelligence and espionage networks in Western Europe, 1936-1945. Washington DC: University Publications of America. p. 345. ISBN 0-89093-203-4.
Read & Fisher 1981 Read, Anthony; Fisher, David (1981). Operation Lucy: Most Secret Spy Ring of the Second World War. New York: Coward, McCann & Geoghegan. ISBN 0-698-11079-X.
Knightley 1986, pp. 202ff Knightley, Phillip (1986). The Second Oldest Profession: Spies and Spying in the Twentieth Century. Norton. ISBN 978-0-393-02386-2.

cia.gov

Tittenhofer, Mark A. (22 September 1993). "The Rote Drei: Getting Behind the 'Lucy' Myth" (PDF). CIA Library. Center for the Study of Intelligence. Retrieved 4 January 2019.

jstor.org

Mulligan, Timothy P. (April 1987). "Spies, Ciphers and 'Zitadelle': Intelligence and the Battle of Kursk, 1943". Journal of Contemporary History. 22 (2). Sage Publications, Inc: 235–260. JSTOR 260932.

spiegel.de

"Werther hat nie gelebt" (in German). No. 29. Spiegel-Verlag. Der Spiegel. 9 July 1972. Retrieved 16 March 2022.