Category:Signals intelligence of World War I

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Pages in category "Signals intelligence of World War I"

The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes.

A

A-1 (code)

D

Nigel de Grey

M

William Montgomery (cryptographer)

R

Room 40

T

Trench code

W

World War I cryptography

Y

Y service

Z

Zimmermann Telegram

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