1. Breaking the code. (2012) Other Names: Whitemore, Hugh; Hodges, Andrew Record Type: Book Extent: 1 online resource (101 pages .) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. The real Enigma heroes. ([2008]) Authors: Shanahan, Phil Record Type: Book Extent: 1 online resource (264 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. X, Y & Z : the real story of how enigma was broken /: the real story of how enigma was broken. (2018) Authors: Turing, Dermot Record Type: Book Extent: 1 online resource, illustrations (black and white) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. X, Y & Z : the Real Story of How Enigma Was Broken /: the Real Story of How Enigma Was Broken. (2021) Authors: Turing, Dermot Record Type: Book Extent: 1 online resource View Content: Available online (eLD content is only available in our Reading Rooms) ↗