(2) If there is an outbreak of fire, but the enemy's soldier... ss. 12.7, Chapter 12: The Attack by Fire

By means of water, an enemy may be intercepted, but not robb... ss. 12.14, Chapter 12: The Attack by Fire

Hostile armies may face each other for years, striving for t... ss. 13.2, Chapter 13: The Use of Spies

Knowledge of the enemy's dispositions can only be obtained f... ss. 13.6, Chapter 13: The Use of Spies

Having INWARD SPIES, making use of officials of the enemy. ss. 13.10, Chapter 13: The Use of Spies

Having CONVERTED SPIES, getting hold of the enemy's spies an... ss. 13.11, Chapter 13: The Use of Spies

Having DOOMED SPIES, doing certain things openly for purpose... ss. 13.12, Chapter 13: The Use of Spies

SURVIVING SPIES, finally, are those who bring back news from... ss. 13.13, Chapter 13: The Use of Spies

The enemy's spies who have come to spy on us must be sought ... ss. 13.21, Chapter 13: The Use of Spies

It is owing to his information, again, that we can cause the... ss. 13.23, Chapter 13: The Use of Spies

The end and aim of spying in all its five varieties is knowl... ss. 13.25, Chapter 13: The Use of Spies