United States. Army. Infantry — Drill and tactics — Audiobooks
Manual for Noncommissioned Officers and Privates of Infantry of the Army of the United States, 1917 To be used by Engineer companies (dismounted) and Coast Artillery companies for Infantry instruction and training
by United States. War Department
Infantry Drill Regulations, United States Army, 1911 Corrected to April 15, 1917 (Changes Nos. 1 to 19)
by United States. War Department