Alan Turing: Unlocking The Enigma [Audiobook] by David Boyle English | November 10, 2014 | ASIN: B00PG3LT56 | MP3@64 kbps | 2 hrs 3 mins | 58 MB Narrator: Barnaby Edwards | Genre: Nonfiction/Biography
The Enigma Story: The Truth Behind the 'Unbreakable' World War II Cipher by Sir John Dermot Turing English | ISBN: 1398815020 | 240 pages | EPUB | September 1, 2022 | 9.23 Mb
John Dermot Turing, Rob Fitch (Narrator), "The Enigma Story: The Truth Behind the 'Unbreakable' World War II Cipher" English | ASIN: B0BQCQBBSC | 2022 | MP3@64 kbps | ~06:55:00 | 196 MB