West, Nigel. The Sigint Secrets: The Signals Intelligence War, 1900 to Today, Including the Persecution of Gordon Welchman. New York: Morrow, 1986, 1988, 1990, 347 pp.
© 2005-2025 Centre for Maritime Historical Studies, University of Exeter (v1.0.0)
Hosted by the Digital Humanities Lab, Exeter