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The confidential military pamphlet that must not fall into German hands.

Not to be published.
The information given in this document is not to be communicated, either directly or indirectly, to the Press or to any person not holding an official position in His Majesty’s Service

The Handbook of Irregular Warfare
“The sphere of operations should always include the enemy’s own country, any occupied territory, and in certain circumstances, such neutral countries as he is using as a source of supply.”

“… the days when we could practise the rules of sportsmanship are over. For the time being, every soldier must be a potential gangster and must be prepared to adopt their methods whenever necessary.”

Pamphlet no. 1

The General Principles of Irregular Warfare

This is a security document and must not fall into enemy hands.