The American black chamber

Cryptographic series -- 52

by

375 pages

English language

Published Nov. 12, 1931 by Aegean Park Press.

ISBN:
978-0-89412-154-8
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4 stars (1 review)

6 editions

Subjects

  • Cryptography.
  • Military intelligence.
  • Secret service -- United States.
  • World War, 1914-1918 -- Secret Service -- United States