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
United States. War Department
Section 11. The course in small-arms firing.
Section 13. Pistol and Revolver Practice.[8]
Section 12. Targets.
The accompanying plates show the details and size of the targets: