 | 2011 |
| 5 |  | David Hamer:
The David Kahn Collection at NSA's National Cryptologic Museum.
Cryptologia 35(2): 110-113 (2011) |
| 4 |  | David Hamer:
Review of 'Dilly - The Man Who Broke Enigmas' by Mavis Batey.
Cryptologia 35(2): 196-197 (2011) |
| 2009 |
| 3 |  | David Hamer:
Review of Herivelismus and the German Military Enigma by John Herivel.
Cryptologia 33(1): 95-97 (2009) |
| 2 |  | David Hamer:
Review of From Bletchley with Love by Mavis Batey.
Cryptologia 33(3): 274-275 (2009) |
| 2007 |
| 1 |  | David Hamer:
Review of Thirty Secret Years: A.G. Denniston's Work in Signals Intelligence: 1914-1944 by Robin Denniston.
Cryptologia 31(4): 358-360 (2007) |