National Security Agency Author

Technical Articles about the Voynich Manuscript

National Security Agency - Hardback

£16.99

The Friedman Legacy

2 authors - Paperback

£19.95

Cryptologic Aspects of German Intelligence Activities in South America During World War II

3 authors - Paperback

£9.95

European Axis Signal Intelligence in World War II

2 authors - Hardback

£74.99

New Research on the Voynich Manuscript

National Security Agency - Hardback

£14.99