Troops must pay greater attention to the collection of captured documents, and must submit them promptly to the proper authorities. Such documents include all official and personal mail found in the enemy's possession. It has been reported to the Division that filled mail bags belonging to the enemy have been left lying about and have not been brought in as booty. This must not occur again. Captured documents disclose important and reliable information concerning the enemy and provide clues to his formation, strength, and plans. These clues greatly facilitate our conduct of the war.