Defensive measures Ordnance maintenance u.s. rifles, cal..30 M1, M1c (sniper's) and M1d (sniper's) - USA Technical Manual, TM 9-1275 Visual signaling Signal Corps United States Army Drill and Service Regulations for Field Artillery (6-inch Howitzer) : Volume IV : Part X Basic Field Manual : Volume III: Basic Weapons / War Department technical manual Correspondence War letters : extraordinary correspondence from American wars / edited by Andrew Carroll ; forword by Douglas Brinkley Catalog / West Point United States Military Academy Major problems of United States foreign policy ... / prep. by the staff of the Brookings Institution annual reports of the war department Annual report of the Chief of Engineers to the Secretary of War for the year ... Camps of instruction ... : reports of officers of the United States Army Extracts from reports by regular and militia officers on the joint army and militia coast-defense exercises during the year ...