top secret http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-shelves.pl?rss=1&viewshelf=353 RSS feed for public list top secret Battle of wits : by Budiansky, Stephen. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=80549 Between silk and cyanide : by Marks, Leo. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=82177 Bletchley Park : http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=83321 Bletchley Park and D-Day : by Kenyon, David, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=163915 Churchill's spy files : by West, Nigel http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=163515 Churchill's war lab : by Downing, Taylor. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=143471 Codes : by Mollin, Richard A., http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=120440 Codes, ciphers & other cryptic & clandestine communication : by Wrixon, Fred B. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=84807 Codes, ciphers and spies : by Dooley, John, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=161968 Crypto wars : by Simpson, Ralph http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=162379 Cryptology : http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=28821 Decoding organization : by Grey, Christopher, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=152768 Decrypted secrets : by Bauer, Friedrich L. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=22330 Delusions of intelligence : by Ratcliff, R. A. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=122058 Disrupt and deny : by Cormac, Rory, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=162681 Double cross in Cairo : by West, Nigel, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=161964 Enigma : by Sebag-Montefiore, Hugh. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=82303 Enigma : http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=90469 Enigma U-boats : by Showell, Jak P. Mallmann http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=83596 Enigma variations : by Young, Irene, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=82231 Enigma variations : by Young, Irene, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=162638 Fermat's last theorem : by Aczel, Ami D. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=18712 Germany's secret weapons in World War II / by Ford, Roger, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=80320 Lorenz : by Roberts, Jerry http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=161797 Morse code Wrens of Station X : by Glyn-Jones, Anne, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=162141 Secret history : by Bauer, Craig P. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=161742 Secret warriors : by Downing, Taylor. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=162159 The Bletchley Park codebreakers / http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=152767 The codebreakers : by Kahn, David, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=7461 The emperor's codes : by Smith, Michael, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=79816 The girls of Atomic City : by Kiernan, Denise. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=159841 The lost world of Bletchley Park : by McKay, Sinclair. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=160043 The science of secrecy : by Singh, Simon http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=79857 The Turing guide / http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=161876 Top secret : by Rogers, David, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=159817 Unsolved! : by Bauer, Craig P. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=162145 Without Enigma : by Macksey, Kenneth. http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=83402 Worm : by Bowden, Mark, http://smg.koha-ptfs.co.uk//cgi-bin/koha/opac-detail.pl?biblionumber=151914