1. Alastair Denniston: code-breaking from Room 40 to Berkeley Street and the birth of GCHQ. Issue 1 (2nd January 2019) Authors: Erskine, Ralph Journal: Journal of intelligence history Issue: Volume 18:Issue 1(2019) Page Start: 108 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Ed Offley, Turning the Tide: How a Small Band of Allied Sailors Defeated the U-Boats and Won the Battle of the Atlantic. Issue 2 (23rd February 2016) Authors: Erskine, Ralph Journal: Intelligence and national security Issue: Volume 31:Issue 2(2016) Page Start: 290 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Edward Hugh Simpson, 1922–2019. (25th October 2019) Authors: Erskine, Ralph Journal: Journal of the Royal Statistical Society Issue: Volume 182:Number 4(2019) Page Start: 1633 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
4. Review of The Hidden History of Bletchley Park: A Social and Organisational History, 1939–1945 by Christopher Smith: Smith, Christopher. The Hidden History of Bletchley Park: A Social and Organisational History, 1939–1945. Palgrave Macmillan, London, 2015. VII +238 pages, Hardcover, UK £60.00/US $90.00. ISBN 978-1-137-48492-5. Issue 3 (4th May 2018) Authors: Erskine, Ralph Journal: Cryptologia Issue: Volume 42:Issue 3(2018) Page Start: 262 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Review of The Nazi Spy Ring in America by Rhodri Jeffreys-Jones. Issue 4 (4th July 2021) Authors: Erskine, Ralph Journal: Cryptologia Issue: Volume 45:Issue 4(2021) Page Start: 379 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. The Bletchley park codebreakers : how ultra shortened the war and led to the birth of the computer /: how ultra shortened the war and led to the birth of the computer. (2011) Other Names: Erskine, Ralph; Smith, Michael, 1952 May 1 Record Type: Book Extent: 1 online resource (xvi, 495 pages, 8 unnumbered pages of plates), illustrations View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. The secret world: behind the curtain of British intelligence in World War II and the Cold War. Issue 7 (9th November 2016) Authors: Erskine, Ralph Journal: Intelligence and national security Issue: Volume 31:Issue 7(2016) Page Start: 1063 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗
8. X, Y & Z: the real story of how Enigma was broken: by Dermot Turing, London, The History Press, 2018, 320 pp., £20 (hardback), ISBN 978-0-75098-782-0, £8.99 (eBook), ISBN 978-0-75098-967-1. Issue 7 (9th November 2020) Authors: Erskine, Ralph Journal: Intelligence and national security Issue: Volume 35:Issue 7(2020) Page Start: 1069 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗