Author search:Paul Gannon

Colossus : Bletchley Park's greatest secret

by Paul Gannon
Paper Book, 2007
Tags
Cryptography, History
Status
Available
Call number
940.548641

Inside Room 40 : the codebreakers of World War 1

by Paul Gannon
Hardcover, 2010
Tags
Cryptography, First World War, History
Status
Available
Call number
940.48641
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